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NECO Biology 2022 Verified Essay and Objective Answers

Posted by Hedowho on 20 July, 2022

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NECO Biology Theory and Objective Answers (100%legit) Biology Essay verified Free (Expo) for National Examination Council. NECO Biology Questions For you to have good NECO result in Biology as well as repeated questions for free in this post.

NECO GCE June/July 2022 FREE Biology QUESTION AND ANSWER ROOM

NECO Biology OBJ

*NECO BIOLOGY SOLUTIONS*

BIOLOGY OBJ 1-10: DDEDBAEACC 11-20: DEECCBBBAB 21-30: EEADEAEAEA 31-40: BCCBCCBADE 41-50: DCCBCBECDC 51-60: EABBCCBADE

*INSTRUCTIONS* _(Answers THREE Questions Only_

*(NUMBER ONE)*

(1ai) (i) Setting up of national park and gardens to save wildlife in their natural environment. (ii) Poaching i.e. uncontrolled and illegal killing of game should be prevented. (iii) Avoiding the use of pesticides that may kill off many animals (vi) Prohibiting deforestation and encouraging afforestation

(1ii) Sexual reproduction involves the fusion of two gametes – male and female gametes during fertilization to form a zygote which develops into a new organism. It involves organisms of the same species.

Sexual reproduction is the fusion or joining of male and female gametes or nuclei from different individual to form a zygote which later develops into an embryo or organism.

(1aiii) (i) biceps (flexor) (ii) Triceps (extensor)

(1b) – When one touches a hot object, the sensory receptor in the skin receives the stimulus – An impulse is transmitted from the receptor to the spinal cord, via the dorsal root/sensory neurone – The intermediate neurone in the spinal cord passes on the impulse to the motor neurone – The motor neurone then sends the impulses to an effector organ (muscle) via the ventral root – All the neurones are linked by synapses across which impulses are sent – The muscle upon receiving the impulse contracts causing the hand to be withdrawn from the hot object

(1ci) (Pick Any Three) (i) It provides water for photosynthesis (ii) To get rid of excess water in the plant (iii) It helps plants to continually draw water from the soil into their stem and leaves. (iv) Some evaporation of water uses latent energy from plants and therefore keeps the plant cool (v) It helps in the transport of mineral salts from soil to leaves and growing points of the plant

(1cii) (i) Growing of cover crops like grasses, sweet potato which covers the surface of the soil (ii) Contour ploughing: ploughing along the contours of a slope to reduce the speed of runoff water.

*(NUMBER TWO)*

(2ai) Metamorphosis: This is the name given to the change in form shown by insects and amphibians from the egg stage to the adult stage.

(2aii) (Pick Any Four) (i) It regulate sex drive (libido) (ii) It helps in the production of sperm (iii) It helps in the production of red blood cells (iv) It is responsible for muscle mass and strength (v) Cause an increase in bone mass (vi) Responsible for fat distribution

(2aiii) (Pick Any Four) (i) It deaminates excess amino acid to urea (ii) It stores iron from broken down cells (iii) It detoxified poisonous substances and sent to the kidney for excretions (iv) It supplies heat to the body by its metabolic reactions (v) It also store fats and releases it at controlled rates into the blood when the need arises (vi) It stores and releases minerals (iron, copper and potassium and vitamins (A, D and B12)

(2bi) (Pick Any Three) (i) Oxygen (only in the day) (ii) Carbon dioxide (only at night) (iii) Water (iv) Tannins (v) Alkaloids (vi) Resins (vii) Latex (viii) Gum

(2bii) – The semi-circular canals in the inner ear are responsible for the maintenance of balance with respect to circular motion. – There are three semi-circular canals and each is found in one of the geometrical planes (right angle to each other) – During spinning, the gelatinous cupula in one of the semi-circular canals is set in motion. – This stimulates the sensory hairs, and impulses are sent through the auditory nerves to the brain for proper body posture. – When one stops spinning, the gelatinous cupula does not stop moving instantly but continues to move for some time – This cause the continue feeling of the sensation of spinning.

*(NUMBER THREE)*

(3ai) (i)Cutaneous (skin) respiration (ii) Buccal (mouth) respiration (iii) Pulmonary (lungs) respiration

(3aii) [USE TABLES FOR THE DIFFERENCES]

*Wind Pollinated Flower* (Pick Any Two) (i) They do not have nectar (ii) Petals are dull coloured (iii) Flowers are small and inconspicuous (iv) Flowers are not scented

*Insect Pollinated Flowers* (Pick Any Two) (i) They have nectar (ii) Petals are brightly coloured (iii) Flowers are large and conspicuous (iv) They are usually scented

(3aiii) (Pick Any Two) (i) Axile placentation (ii) Marginal placentation (iii) Parietal placentation (iv) Basal placentation

(3bi) – Light rays from an object pass through the conjunctiva, cornea, aqueous humour, lens and vitreous humour to the retina – The light rays are refracted as they pass through the various regions and finally brought to a focus (converged) on the fovea of the retina – A real image, which is inverted and smaller than the object is formed. – The cones and rods are stimulated and impulses are relayed via the optic nerve to the visual centres of the brain, which interprets and give the real impression of the image in terms of uprightness and actual size

(3bii) (i) Holozoic nutrition (ii) Saprophytic nutrition (iii) Parasitic nutrition

*(NUMBER FOUR)*

(4ai) https://i.imgur.com/1hGJWIq.jpeg

(4aii) (i) Internal fertilization (ii) External fertilization

(4bi) – After fertilization, the zygote divides repeatedly and develops into an embryo which consists of the plumule, radicle and one or two cotyledons. – The primary endosperm nucleus develops into a nutritive tissue called endosperm, which stores food used by the developing embryo – The synergids and the antipodal cells degenerate – The ovule changes to form the seed and the interguments form the seed coat – The micropyle remains where air and water enter the seed. – The ovary develop into the fruit and the ovary wall forms the fruit wall called the pericarp. – The style shrivels off, the petals, sepals and the stamens wither and fall off

(4bii) (i) Red blood cells (ii) White blood cells (iii) Blood plasma (iv) Platelets

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NECO Biology Questions and Answers For 2023/2024 (Theory and Objectives)

Biology NECO Questions 2023. I will be showing you the NECO Biology objective and theory questions and answers for free in this post. You will also understand how NECO Biology questions are set and how to answer them.

The National Examinations Council (NECO ) is an examination body in Nigeria that conducts the Senior Secondary Certificate Examination and the General Certificate in Education in June/July and December/January respectively.

Table of Contents

NECO Biology Question and Answers Essay and OBJ (Expo)

The 2023 NECO Biology expo will be posted here today 21st July during the NECO Biology examination. Keep checking and reloading this page for the answers.

NECO 2023 Biology Answers Loading.. .

OBJ Answers:

1-10: BBEDACCAEE

11-20: DDCEABDAEC

21-30: EBBBEADBDD

31-40: EDACCCBCEA

41-50: EBBCACBAEC

51-60: DDABBDDDBE

NECO Biology Essay Answers:

The cell theory states that:

– All living organisms are made up of one or more cells.

– The cell is the basic unit of life.

– All cells arise from pre-existing cells.

– Robert Hooke, who discovered cells in 1665 and coined the term “cell”.

– Matthias Schleiden and Theodor Schwann, who proposed the cell theory in 1839-1840.

– Large, brightly colored petals that attract insects.

– Nectar-producing glands to feed the insects.

– A strong, sweet fragrance to attract the insects.

– A landing platform for the insects to rest on.

– Pollen that is sticky and easily attaches to the insects.

– Ginger: Rhizome

– Banana: Rhizome

– Sweet potato: Tuber

– The mouth mechanically breaks down the bread by chewing and mixes it with saliva, which contains enzymes that begin breaking down the carbohydrates in the bread.

– The esophagus moves the food down to the stomach, where it is mixed with stomach acid and enzymes that further break down the bread.

– The small intestine absorbs the nutrients from the bread, such as carbohydrates, proteins, and fats, into the bloodstream.

– The large intestine absorbs water and electrolytes from the remaining food waste, forming feces.

– The rectum stores feces until they can be eliminated through the anus.

Amoeba —> Hydra —> Tilapia —> Toad —> Snake.

(i) Small, lightweight seeds that can be easily carried by the wind.

(ii) Hairs or wings on the fruit that increase surface area and help to catch the wind.

(iii) A dry, papery fruit that splits open easily to release the seeds.

To determine if the shoot of a plant is positively phototropic.

=Apparatus:=

A potted plant, a light source, a ruler, a marker.

=Method/Procedure:=

(i) Place the plant in a dark room for 24 hours to ensure that it is not positively or negatively phototropic.

(ii) Place the light source at a fixed distance from the plant, with the light shining directly on the plant’s shoot.

(iii) Turn on the light source and leave it on for 24 hours.

(iv) After 24 hours, measure the distance between the tip of the shoot and the light source.

(v) Mark the new position of the shoot tip on the ruler.

(vi) Repeat the experiment two more times, moving the light source to a different position each time.

=Observation:=

The shoot of the plant will grow towards them light source, bending in the direction of the light.

=Conclusion:=

The shoot of a plant is positively phototropic and grows towards a light source.

=Aerobic Respiration=

(i) Occurs in the presence of oxygen

(ii) Produces a large amount of ATP

(iii) Carbon dioxide and water are produced as waste products

=Anaerobic Respiration=

(i) Occurs in the absence of oxygen

(ii) Produces a small amount of ATP

(iii) Lactic acid or ethanol is produced as a waste product.

=Complete Metamorphosis=

(i) Four distinct stages: egg, larva, pupa, adult.

(ii) Larva looks completely different from the adult.

=Incomplete Metamorphosis=

(i) Three stages: egg, nymph, adult.

(ii) Nymph looks similar to the adult, just smaller.

– Aim: To determine if chlorophyll is necessary for photosynthesis to take place.

– Apparatus: Two plants of the same species, one with leaves covered in aluminum foil, a light source, test tube, water, and a beaker.

– Method/procedure: Place one plant in a dark room and cover its leaves with aluminum foil. Place the other plant in front of a light source. After a few hours, pluck a leaf from each plant and place them in separate test tubes filled with water. Place the test tubes in a beaker and keep them in the dark.

– Observation: After a few hours, observe the test tubes to see which one has produced more oxygen bubbles.

– Conclusion: If the test tube with the leaf from the plant exposed to light produces more oxygen bubbles, then chlorophyll is necessary for photosynthesis to take place.

(i) Overuse of synthetic fertilizers

(ii) Overgrazing

(iii) Deforestation

(iv) Soil erosion

(i) Hearing loss

(ii) Sleep disturbance.

(i) Crop diversity: Planting different crops in the same field over time to avoid the buildup of pests and diseases.

(ii) Soil health: Planting crops that have different nutrient requirements to maintain soil fertility and prevent soil erosion.

(iii) Pest management: Planting crops that are not susceptible to the same pests and diseases in succession.

(i) Reduced leaves or spines to minimize water loss through transpiration.

(ii) Thick cuticles and waxy coatings to reduce water loss through the epidermis.

(iii) Deep roots to tap into underground water sources.

(iv) CAM photosynthesis to reduce water loss during photosynthesis.

(v) Ability to enter dormancy during drought periods.

(i) Similarity in bone structure between birds and reptiles, especially in the skull and pelvis.

(ii) Presence of scales on bird feet and legs, which are also found in reptiles.

(iii) Similarity in egg-laying and incubation between birds and reptiles.

(i) Detoxification of harmful substances in the blood.

(ii) Production of bile to aid in digestion.

(iii) Storage of glycogen, vitamins, and minerals.

(iv) Regulation of blood glucose levels.

(v) Production of blood clotting factors.

(i) Reforestation: Planting new trees in areas where forests have been cleared or degraded.

(ii) Reduced impact logging: Using sustainable logging practices that minimize damage to the forest ecosystem.

(iii) Protected areas: Establishing and maintaining protected areas for wildlife and biodiversity conservation.

(iv) Community forestry: Encouraging local communities to manage forests sustainably for their own benefit and for the benefit of future generations.

(i) Protection: the calyx protects the flower bud before it opens and the developing fruit after fertilization.

(ii) Support: the sepals of the calyx can provide support for the petals and reproductive structures.

(i) Insulin: regulates blood sugar levels.

(ii) Estrogen: regulates female reproductive system and secondary sexual characteristics.

(iii) Testosterone: regulates male reproductive system and secondary sexual characteristics.

(iv) Adrenaline: prepares the body for “fight or flight” response to stress.

(v) Melatonin: regulates sleep-wake cycles.

(i) Gene therapy: correcting genetic disorders by introducing functional genes into the patient’s cells.

(ii) Predictive medicine: using genetic testing to identify individuals who are at risk for certain diseases and develop personalized prevention or treatment plans.

(i) Large surface area: to maximize light absorption.

(ii) Thin and flat shape: to reduce the distance that light needs to penetrate into the leaf.

(iii) Chlorophyll pigments: to absorb light energy and convert it into chemical energy.

——————————————————————————————————-

NECO Biology Questions and Answers For Practice

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NECO Hausa Language Answers

——————————————————————————————————————

The questions below are the NECO past questions and answers that will help you in your 2023 NECO Biology Questions.

1. Plants are classified into the following classes except

(a)Bryophyte.

(b) Coelenterate.

(d) thallophyta.

(e) Spermatophyte.

2. The cell wall of plants is rigid due to the presence of?

(a) Cambium

(b) cellulose

(d) chloroplast

3. The structure responsible for the transportation of mineral salt from the root to other parts of the plant is?

(a)Collenchyma

(d) sclerenchyma

4. Which of the following cell organelles traps sunlight energy in plant?

(a)Chloroplast

(b) Endoplasmic reticulum

(d) Ribosome (e) Vacuole

5. The following conditions are necessary for photosynthesis except

(a) Carbon(iv)oxide.

(b) chlorophyll

6. Which of the following organisms carries out photosynthesis?

(d) plasmodium

7. Which of these is an amphibian?

8. A flower with two or more fused carpels is called

(a) Apocarpous

(b) monocarpous

(d) pistillate

(e) syncarpous

9. The response of plants to the stimulus of touch is called?

(a) Chemotropism

(b) geotropism

(d) phototropism

(e) thigmotropism

10. Which of the following is a bryophyte?

(a) Bladder wort

(b) Fly trap

(d) Pitcher

11. Cellular respiration occurs in the

(a) Chloroplast

(b) endoplasmic reticulum

(d) mitochondrion

(e) nucleus

12. In a moss plant, spores are produced in the

(a) Capsule

13. Exoskeleton is a characteristic feature of

(b) earthworm

(d) millipede

(e) tapeworm

14. Which of the following influences growth in plants?

(a) Acetic acid

(d) Ethylene

15. Land snail belongs to the phylum

(a) Annelida

(b) Arthropoda

(d) Mollusca

(e) nematode

16. The opening of the anthers and stigmas of a bisexual flower at the same time is called

(a) Cleistogamy

(b) dichogamy

(d) protandry

(e) protogyny

17. The following are the effect of auxins on plant except in

(a) Flowering

(b) fruiting without fertilization

(d) root formation

(e) stem elongation

Use the diagram below to answer questions 18 and 19.

18. The diagram represents the internal structure of a

19. The part labeled I is the

(b) endodermis

20. Which of these is a water soluble vitamin?

(a) A

21. The following diseases are airborne except

(a) Clolera

(b) measles

(d) pneumonia

(e) small pox.

22. The excretory organ of insects is called

(a) Contractile vacuole

(b) flame cell

(d) malphighian tubule

(e) nephridium

23. Which of these animals undergo metamorphosis

24. Villi are finger-like structures found in the

(a) Large intestine

(d) stomach

(e) tongue.

25. In mammals, sperms are formed in the

(a) Cowper’s gland

(b) scrotal sac.

(d) seminiferous tubules

(e) vas deferens

26. Which of the following is not a part of the mammalian brain?

(a) Cerebellum

(b) cerebrum

(d) spinal cord

(e) Thalamus

27. In plant, Chlorosis is caused by the deficiency of

(b) magnesium

(d) potassium

(e) Sulphur

28. Which of the following diseases is not sexually transmitted

(b) Hepatitis

(d) influenza

(e) Syphilis

29. Which of the following is not a caste in a termitarium.

(d) soldiers

(e) workers

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30. The structure responsible for excretion in tape worm is called

(a) Cell membrane

(b) contractile vacuole

(d) malphigian tubule

31. The mode of nutrition of mushroom is

(a) autotrophic

(b) epiphytic

(d) saprophytic

(e) symbiotic

32. The earthworm is an example of

(b) Coelenterata

(d) nematoda

(e) Platyhelminthes

33. Fat and oil are also known as

(b) fatty acids

(e) carbohydrates

34. Gaseous exchange in the lungs occurs at the

(a) Alveolus

(b)bronchus

(c)bronchiole

(e) trachea

35. The following are pigment except

(d) haemoglobin

(e) melanin

Use the diagram below to answer questions 36 – 38.

36. The type of placentation shown above is found in

(a) cana lily

(d) pride of Barbados

(e) sunflower

37. the part labeled x is the

38. the type of placentation represented in the diagram is

(d) marginal

(e) parietal

39. the growth that occurs at the tip of shoot and root is called

(a) allometric

(d) primary

(e) secondary

40. carnassial teeth are found in

41. Which of the following bones is not a part of axial skeleton?

(a) Backbone

(e) Sternum

Use the diagram below to answer questions 42 and 43

42. The part labeled ii is the

(b) hyaline cartilage

(d) synovial cavity

(e) synovial membrane

43. The function of the part labeled iii is to

(a) Soften the bones

(b) join bones together

(d) protect bones from wearing

(e) reduce friction at joints

44. The part that supplies food and oxygen to the eye is

(a) Choroids

45. The part of the male reproductive system that stores sperm is

(b) epididymis

(d) seminal vesicle

(e) vas deferens.

46. An organ in bird that grinds its food is

47. Which of the following animals exhibit basking

48. The following are functions of the sympathetic nervous system except

(a) Dilation of pupil of eye.

(b) inhibition of saliva secretion

(d) reduction of urine output

(e) stimulation of ejaculation

49. The following homeostatic mechanisms are carried out by mammals except

(a) Excretion

(b) osmoregulation

(d) reproduction

(e) thermoregulation

50. Part of the brain that controls blood pressure is called

(d) medulla oblongata

(e) pons varolii

51. Haemorrhage is caused due to the deficiency of vitamin

52. The control method of pests using predators is called

(a) Biological

(b) chemical

(d) mechanical

(e) physical

53. The following are vectors except

(a) Black fly

(b) butterfly

(d) mosquito

(e) tsetse fly

54. The deficiency of proteins in a developing child result in

(a) Beri beri

(b) kwashiorkor

(d) rickets

55. The theory of “use and disuse” of body parts was propounded by

(a) Carl Linneaus

(b) Charles Darwin

(d) Jean Lamarck

(e) Robert Hooke

56. The knowledge of heredity and variation are not required in

(a) Blood transfusion

(b) crime detection

(d) longevity

(e) marriage

57. Which of these is not a pollutant

(a) Carbon dioxide

(b) Lead oxide

(d) Nitrogen oxide

(e) sulphur dioxide

58. The topmost layer of a typical soil profile is

(b) coarse sand

59. Plants that survive in marine habitats are called

(a) Halophytes

(b) hydrophytes

(d) saprophytes

(e) xerophytes

60. The felling of trees in a forest is called

(a) Afforestation

(b) deforestation

(d) forest pruning

(e) re-afforestation

Answer any three questions only

1a. State one role each of the following in photosynthesis

(i) Sunlight

(ii) Chlorophyll

b. List five types of bones found in the forearm of man

c. Mention three functions of a worker caste in termitarium

d. Define ecosystem

e. Draw a well labelled diagram (8-10cm long) of the nephron

2a. Define the following

(ii) Implantation

(iii) Species

(iv) Saprophytes

b (i) State four functions of the mammalian skeleton

(ii) Mention two muscles that bring about movement of a forearm

(iii) Name three digestive enzymes found in the small intestine and state one function of each

3a. (i) Mention three diseases of the liver

(ii) In a tabular form, state five differences between plant and animal cells

b. Using annotated diagrams only, illustrate the carbon cycle.

c. (i) List two types of supporting tissues in plant

(ii) Give two characteristics of a reptile

4a. Define the following terms

(i) Diffusion

(ii) Osmosis

(iii) plasmolysis

b (i) State four effects of overcrowding

(ii) mention two ways of conserving wildlife.

(iii) Give two examples of social animals

c (i) Define metamorphosis

(ii) List two examples of insects that undergo incomplete metamorphosis

(iii) Give two examples of a berry fruit

5a. (i) Draw a well labelled diagram (8-10cm long) of the human alimentary canal

(ii) Complete the table below

b. T T and t t are monohybrid plants representing tallness and shortness respectively

By means of crossing, show the F1 generation
Using punnet square method, show the F2 generation
Give the phenotypic ratio of the F1 and F2 generations shown above

That’s all about NECO Biology Questions and Answers for 2022 (Theory and Objectives). If you have any questions, kindly drop your question in the comment box.

Last Updated on July 21, 2023 by Admin

92 thoughts on “NECO Biology Questions and Answers For 2023/2024 (Theory and Objectives)”

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Neco Biology 2022 Answers 26th July 2022 [Obj & Essay Theory] Verified

Neco Biology Objective & Essay Answers 2022 for 26th July 2022 with questions 100% verified official questions and answers for senior secondary schools. NECO Biology Questions and Answers 2022 (%100 Sure, NECO Biology Questions and Answers 2022

NECO BIOLOGY OBJ & ESSAY QUESTIONS AND ANSWERS FOR 25TH JULY 2022 ================================= Tuesday 26th July 2022 Paper III & II: Objective & Essay – Biology – 10:00am – 12:30pm ================================= BIOLOGY OBJ 1-10: DDEDAAEACC 11-20: DEECCBBBAB 21-30: EEADEAEAEA 31-40: BCCBCCBADE 41-50: DCABCBECAC 51-60: EEBBCADBCE COMPLETED!!! ================================= BIOLOGY ESSAY NOTE; You Are To Answer Only Three(3) Questions From Theory Pls Take Note; Because We Answered All. °°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°° (1ai) (i) Setting up of national park and gardens to save wildlife in their natural environment. (ii) Poaching i.e. uncontrolled and illegal killing of game should be prevented. (iii) Avoiding the use of pesticides that may kill off many animals (vi) Prohibiting deforestation and encouraging afforestation (1aii) Sexual reproduction involves the fusion of two gametes male and female gametes during fertilization to form a zygote which develops into a new organism. It involves organisms of the same species. (1aiii) (i) biceps (flexor) (ii) Triceps (extensor) (1b) (i) When one touches a hot object, the sensory receptor in the skin receives the stimulus (ii) An impulse is transmitted from the receptor to the spinal cord, via the dorsal root/sensory neurone (iii) The intermediate neurone in the spinal cord passes on the impulse to the motor neurone (iv) The motor neurone then sends the impulses to an effector organ (muscle) via the ventral root (v) All the neurones are linked by synapses across which impulses are sent (vi) The muscle upon receiving the impulse contracts causing the hand to be withdrawn from the hot object (1ci) (i) It provides water for photosynthesis (ii) To get rid of excess water in the plant (iii) It helps plants to continually draw water from the soil into their stem and leaves. (1cii) (i) Growing of cover crops like grasses, sweet potato which covers the surface of the soil (ii) Contour ploughing: ploughing along the contours of a slope to reduce the speed of runoff water. °°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°° (2ai) Metamorphosis can be defined as the change of form or structure in an organism after hatching or birth. (2aii) (i) Promotion of sperm production (ii) Aids development of uterine wall (iii) Stimulates growth of testis (iv) Promote development of secondary sexual characters in male (2aiii) (i) Production of bile (ii) Detoxification (iii) Deamination (iv) Source of vitamin (2bi) (i)Oxygen (ii)Acids (iii)Tannins (2bii) When a man spins around a tree several time, there is an increase in metabolism leading to use up of energy. This as a result leads to decrease in energy and in turn causes dizziness °°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°° (3ai) (i)Buccal respiration (ii)Lung respiration (iii)Skin respiration (3aii) TABULATE PLEASE =WIND POLLINATED FLOWERS= (i) The flowers are not attractive (ii) The pollen grains are not sticky =INSECT POLLINATED FLOWERS= (i) The flowers are attractive (ii) The pollen grains are sticky (3aiii) (i)Parietal placentation. (ii) Basal placentation. (3bi) Light rays from an external object is refracted by the cornea, aqueous humour, the lens and the vitreous humour. The lens act as the fine adjustment bringing the rays to a focus on the retina. The image formed on the retina of human are inverted and diminished. The brain receives the stimulus via the optic nerves and then interprete it. (3bii) (i)Parasitic nutrition (ii)Symbiosis (iii)Carnivorous nutrition °°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°° (4ai) (4aii) (i)Internal fertilization (ii)External fertilization (4bi) Fruits is a product of fertilization in flowering plants. When a grain of pollen tube for the sperm to journey down the style and fertilize the ovule. The fertilized ovules become seeds. Fertilization is the death of the flower, as the petals drop or wither at this point and the ovary starts to enlarge and ripen into what we known as fruit (4bii) (i)plasma (ii)red blood cells (iii)white blood cells (iv)platelets °°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°° (5ai) (i)They are proteinous in nature (ii) They speed up the rate of chemical reaction (iii) They are organic catalyst (iv) They are specific in function (5aii) Mendel’s first law also known as the law of segregation of genes states that during gamete formation, two alleles at a gene locus segregate from each other and each gamete has an equal probability of containing either allele (5aiii) (5bi) (i)Bush burning (ii)Overcropping (iii)Overgrazing (5bii) (i)Seasonal migration (ii)Pairing (iii)Territoriality

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NECO Biology Questions and Answers 2023 Objective and Theory

Post author: Study Admin
Post published: October 26, 2023
Post category: School News
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NECO biology 2023 answers are now available. NECO biology questions and answers 2023/2024 objective and essay and other exam details for NECO 2023 are on this page. See the 2023 NECO biology answers for both objective and theory below. Get the NECO biology objective and essay answers here.

The 2023 biology NECO OBJ and theory questions and answers are provided here for free. All you have to do is to go through the questions and take note of the NECO biology answers 2023. Read on to find out.

NECO Biology Questions and Answers 2023 Objective and Essay

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NECO Biology Answers 2023 Objective and Theory

The National Examination Council (NECO) is an examination body in Nigeria that conducts the Senior Secondary Certificate Examination and the General Certificate in Education in June/July and November/December respectively.

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NECO 2022 Biology Obj & Essay Questions And Answer Now Available

July 25, 2022 Wakagist Admin Neco 0

BIOLOGY-THEORY-ANSWERS

NOTE; You Are To Answer Only Three(3) Questions From Theory Pls Take Note; Because We Answered All. ==============================

(1aii) Sexual reproduction involves the fusion of two gametes male and female gametes during fertilization to form a zygote which develops into a new organism. It involves organisms of the same species.

(1aiii) (i) biceps (flexor) (ii) Triceps (extensor)

(1b) (i) When one touches a hot object, the sensory receptor in the skin receives the stimulus (ii) An impulse is transmitted from the receptor to the spinal cord, via the dorsal root/sensory neurone (iii) The intermediate neurone in the spinal cord passes on the impulse to the motor neurone (iv) The motor neurone then sends the impulses to an effector organ (muscle) via the ventral root (v) All the neurones are linked by synapses across which impulses are sent (vi) The muscle upon receiving the impulse contracts causing the hand to be withdrawn from the hot object

(1ci) (i) It provides water for photosynthesis (ii) To get rid of excess water in the plant (iii) It helps plants to continually draw water from the soil into their stem and leaves.

(1cii) (i) Growing of cover crops like grasses, sweet potato which covers the surface of the soil (ii) Contour ploughing: ploughing along the contours of a slope to reduce the speed of runoff water. ==============================

(2ai) Metamorphosis can be defined as the change of form or structure in an organism after hatching or birth.

(2aii) (i) Promotion of sperm production (ii) Aids development of uterine wall (iii) Stimulates growth of testis (iv) Promote development of secondary sexual characters in male

(2aiii) (i) Production of bile (ii) Detoxification (iii) Deamination (iv) Source of vitamin

(2bi) (i)Oxygen (ii)Acids (iii)Tannins

(2bii) When a man spins around a tree several time, there is an increase in metabolism leading to use up of energy. This as a result leads to decrease in energy and in turn causes dizziness ==============================

(3ai) (i)Buccal respiration (ii)Lung respiration (iii)Skin respiration

(3aii) TABULATE PLEASE

=WIND POLLINATED FLOWERS= (i) The flowers are not attractive (ii) The pollen grains are not sticky

=INSECT POLLINATED FLOWERS= (i) The flowers are attractive (ii) The pollen grains are sticky

(3aiii) (i)Parietal placentation. (ii) Basal placentation.

(3bi) Light rays from an external object is refracted by the cornea, aqueous humour, the lens and the vitreous humour. The lens act as the fine adjustment bringing the rays to a focus on the retina. The image formed on the retina of human are inverted and diminished. The brain receives the stimulus via the optic nerves and then interprete it.

(3bii) (i)Parasitic nutrition (ii)Symbiosis (iii)Carnivorous nutrition ==============================

(4ai) [img]https://i.imgur.com/paojzlh.jpeg[/img]

(4aii) (i)Internal fertilization (ii)External fertilization

(4bi) Fruits is a product of fertilization in flowering plants. When a grain of pollen tube for the sperm to journey down the style and fertilize the ovule. The fertilized ovules become seeds. Fertilization is the death of the flower, as the petals drop or wither at this point and the ovary starts to enlarge and ripen into what we known as fruit

(4bii) (i)plasma (ii)red blood cells (iii)white blood cells (iv)platelets ==============================

(5ai) (i)They are proteinous in nature (ii) They speed up the rate of chemical reaction (iii) They are organic catalyst (iv) They are specific in function

(5aii) Mendel’s first law also known as the law of segregation of genes states that during gamete formation, two alleles at a gene locus segregate from each other and each gamete has an equal probability of containing either allele

(5aiii) [img]https://i.imgur.com/WH7MrFs.jpeg[/img]

(5bi) (i)Bush burning (ii)Overcropping (iii)Overgrazing

(5bii) (i)Seasonal migration (ii)Pairing (iii)Territoriality ==============================

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NECO Biology Past Questions and Answers | Theory and Objectives –Download PDF.

NECO Biology Past Questions and Answers | Theory and Objectives –Download PDF. The National Examination Council of Nigeria (NECO) Examination is around the corner. This article provides the readers with the information on how to download NECO Biology Past Questions and Answers. NECO Biology Questions are essential for you to know if you want to pass the NECO SSCE Biology Exams 2023.

The NECO Biology past questions and answers is a compiled material in PDF that contains past questions from NECO Biology Exams of previous years. The material comes with answers and is easily downloadable.

You can download the materials here. The instructions on how to download the NECO Biology can be found below. You are expected to follow the instructions in order for you to succeed. The material does not only contain information on NECO Biology Questions and answers but how to pass exams as well. You can see this article on the 21 indispensable steps to pass any exams with high grade .

NECO Commerce Past Questions and Answers | Theory and Objectives –Download PDF.
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NECO Biology Sample Questions and Answers

PAPER II [Essay] Answer any FOUR questions. Write your answers on the answer booklet provided.

1. (a) i. What is respiration? ii. In a tabular form, state four differences between gaseous exchange and aerobic respiration. (b) i. Explain the term residual air. ii. What is the importance of residual air to mammals? (c) State four characteristic features associated with respiratory structures. (d) i. What is oxygen debt? ii. Outline three activities that can result in oxygen debt.

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ANS: a) b) (i) During breathing out/expiration/exhalation; not all the air is removed from the lungs; the air left inside the lungs during breathing out is residual air. (ii) air is left in the lungs so that the lungs do not collapse; air is always left inside the lungs so that more oxygen can be removed (diffuse) into the blood stream. (c) (d) i. The build up of lactic acid; during strenuous exercise is poisonous and makes the muscles ache; oxygen is needed to break down/get rid of the lactic acid; that is why athletes continue breathing heavily even after the exercise is over; the oxygen needed to get rid of the lactic acid is known as oxygen debt. ii. Running; boxing; swimming /any correct example of strenuous activities.

2. (a) (i) What is sexual reproduction? (ii) Name four organs in mammals that produce sex hormones. (iii) Name one sex hormone produced by each of the organs named in 2(a)(i). (b) In a tabular form outline three differences between reproductions in lizards and birds. (c) (i) How are identical twins forms in humans? (ii) State three characteristics features of identical twins.

3. (a) Define the term osmosis. (b) State two ways each in which osmosis is of importance to: (i) plants; (ii) animals. (c) A normal terrestrial plant was watered daily with a hypertonic solution for about seven (7) days. It was discovered that the plant was not doing well. Explain why. (d) (i)Explain briefly how marine organisms overcome the problem of high salinity in their environment? (ii) List four examples of organisms found in the benthic zone of a marine habitat.

4. (a) (i) What is conservation? (ii) State six factors responsible for the decline of the abundance and variety of wildlife. (b) Outline six ways in which the government can improve the situation in 4(a) (ii) above. (c) (i) What is Eutrophication? (ii) State two causes of eutrophication.

5. (a) What is reproduction? (b) In a tabular form, state six differences between sexual reproduction and (c) asexual reproduction. (d) State three advantages sexual reproduction. (e) (i) Describe the female reproductive structure of a flowering plant. (ii) List two factors necessary for germination of seeds.

6. (a) (i) What is courtship behaviour? (ii) Outline five benefits derived by the exhibition of courtship behaviour. (b) Describe briefly courtship behavior in the Agama lizard. (c) Describe briefly the mammalian placenta.

7. (a) Explain briefly the role of the skin as a sensory organ. (b) Describe briefly the vegetation of Tropical Rain Forest. (c) List five animals that inhabit the Tropical Rain Forest.

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Tips on How to Pass NECO Examination 2023

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Practice daily with NECO Past Questions and Answers
Write out your subjects, the dates and time.
Engage in general revision few days to the examination and dwell more on the subjects you find difficult.
Focus on only your first paper a week to the exam. This would make it sweet and you will have energy to read for other papers.
Don’t read any other subject when it is two days to a particular subject.
When you have two papers that are separated by only one day, read the second one first before going to the subject you have first.
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Go through your timetable daily so that you don’t miss any paper.
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NECO Mathematics Questions and Answers 2023-Essay and Theory | Free PDF

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Biology NECO Past Questions

WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709

A. amoeboids
B. centrifugal motion
C. ciliary motion
D. cyclosis

Which of the following sequences best illustrates a food chain in an aquatic habitat ?

A. algae → fungi → toad → snake
B. diatoms → tadpole → fish → kingfisher
C. grass → grasshopper → toad → whale
D. phytoplankton → fish → snake → kingfisher
E. zooplankton → tadpoles → fish → kingfisher

The process which ensures that the chromosome number for each species of organism remains constant from generation to generation is called

E. oogenesis

WAEC offline past questions - with all answers and explanations in one app - Download for free

A. dodder on green plants
B. ferns growing on palm trees
C. lice on hair of mammals
D. sea anemone attached to hermit crab
E. tick found on body of cow
A. They are saprophytes
B. They carry on intra-cellular digestion
C. They facilitate the cleansing of the environment
D. They facilitate the recycling of nutrients
E. They form a link between autotrophs and heterotrophs
Mathematics
English Language
Animal Husbandry
Literature in English
Accounts - Principles of Accounts
Christian Religious Knowledge (CRK)
Agricultural Science
Islamic Religious Knowledge (IRK)
Civic Education
Further Mathematics
Home Economics
Book Keeping
Data Processing
Catering Craft Practice
Computer Studies
Physical Education
Office Practice
Technical Drawing
Food and Nutrition
Home Management

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Table of Content

What is NECO

NECO stands for Nigeria's National Examinations Council (NECO). The Senior Secondary Certificate Examination and the General Certificate in Education are conducted by Nigeria's National Examinations Council (NECO) every June/July and December/January of the year, respectively.

NECO Vision

To become a major player in the global assessment industry.

NECO Mission

To deliver examinations whose results are trusted worldwide for their credibility.

NECO Core Values

Redefining the future of the Nigerian child through quality assessment.

History of NECO

The formation took place 23 years ago in April 1999. It is an examination educational body that operates only in Nigeria but the result can serve a purpose inside and outside Nigeria. Abdulsalami Abubakar, a former head of state, created NECO in April 1999.

NECO Official Website

For more information, you can visit the official website of NECO: https://www.neco.gov.ng

Importance of NECO Examination

You can submit it to apply for higher education
You can get a Job using the certificate
It is acknowledged globally
Numerous universities accept NECO Exam result

Things Needed To pass NECO Examination

NECO Past Questions: Candidates will need to have past questions, so as to have an idea about the kind or level of questions that are asked in NECO. This is the reason why Myschoolbrod is here to supply you with complete NECO past questions.
NECO Tutorial Videos: NECO tutorial videos will help candidates to have a better understanding of each question and topics related to it that may likely come in the examination. Are you really feeling like watching the NECO Tutorial video? Just click on this link, and immediately you will be taken to Myschoolbrod YouTube Channel so that you can watch the NECO Tutorial videos we have uploaded. Click Here
Stationery: Candidates that will partake in the NECO examination will have to get some stationery like pencils (HB), a mathematical set, a Calculator e.t c.

Easy Steps to Pass NECO Examination

Have the mindset that you want to take the NECO exam.
Overcome Exam Fear (Exam Phobia)
Create enough time to study before the examination
Make sure you read and study all topics associated with each subject you are taking for the NECO Examination. Click Here to go to Myschoolbrod YouTube Channel , to watch more educational videos needed to pass NECO Examinations
Study and read all necessary past questions on the NECO exam. You can download past questions on our website, Click Here to Download

How to check NECO Result

To check NECO results, check the easy steps given in this post where we explained in detail step by step how you can check your NECO result online. Click here to check easy steps to check NECO results online

About Biology

Biology is the study of life from tiny micro-organisms, plants, and animals to human beings.

Biology is one of the important subjects you have to pass as a science student in WAEC. Biology is also a compulsory subject for all candidates. Remember for you to pass WAEC, you have to treat important topics.

Biology has a lot of definitions that differ as a result of the source but know that every definition still has the same meaning or passes the same information.

Important Topics In Biology

For you to pass WAEC, you have to treat important topics, so here are the important topics in the Biology needed to pass WAEC:

Concept of Living
Organization of Life
Cellular Respiration
Skeleton and supporting systems in animals
Transport System
Respiratory System
Excretory Systems
Plant and Animal Nutrition
Basic Ecological Concepts
Conservation of Natural Resources
Variation in Population
Reproduction

These topics will be treated on our YouTube Channel and also download past questions to get more questions on them. You can download it on our website .

Importance of NECO Biology Past Questions

NECO Biology past questions are important in your studies to help you have an insight into how the exam looks like and how to face questions related to different topics covered in the subject examination to be taken

Excerpts From NECO 2022 Biology Past Questions

Neco 2022 biology past questions file download preview, neco 2022 biology past questions file info.

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NECO Biology Questions and Answers 2023 (100% Sure) Theory & Obj Solution

Get free Verified NECO Biology Questions and Answers 2023. NECO June/July Free Biology EXPO answers. National Examination Council Biology Theory and Objective Answers for you to have good NECO result. You will also understand how NECO Biology questions are set and how to answer them. The National Examination Council is an examination body in Nigeria that conducts the Senior Secondary Certificate Examination and the General Certificate in Education in June/July and November/December respectively.

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BIOLOGY-OBJ

*BIOLOGY-Obj!* 01-10: BBEDACCAEE 11-20: DDCEABDAEC 21-30: EBBBEADBDD 31-40: EDACCCBCEA 41-50: EBBCACBAEC 51-60: DDABBDDDBE Solved By joberplanet.com COMPLETE

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BIOLOGY-ANSWERS

NECO BIOLOGY ANSWERS •••••••••••••••••••••••••••••••••••••

INSTRUCTION; ANSWER THREE(3) QUESTIONS ONLY

(1ai) The cell theory states that: (i) All living organisms are made up of one or more cells. (ii) The cell is the basic unit of life. (iii) All cells arise from pre-existing cells.

(1aii) (i) Robert Hooke, who discovered cells in 1665 and coined the term “cell”. (ii) Matthias Schleiden and Theodor Schwann, who proposed the cell theory in 1839-1840.

(1bi) (i) Large, brightly colored petals that attract insects. (ii) Nectar-producing glands to feed the insects. (iii) A strong, sweet fragrance to attract the insects. (iv) A landing platform for the insects to rest on. (v) Pollen that is sticky and easily attaches to the insects.

(1bii) – Ginger: Rhizome – Banana: Rhizome – Sweet potato: Tuber

(1c) (i) The mouth mechanically breaks down the bread by chewing and mixes it with saliva, which contains enzymes that begin breaking down the carbohydrates in the bread. (ii) The esophagus moves the food down to the stomach, where it is mixed with stomach acid and enzymes that further break down the bread. (iii) The small intestine absorbs the nutrients from the bread, such as carbohydrates, proteins, and fats, into the bloodstream. (iv) The large intestine absorbs water and electrolytes from the remaining food waste, forming feces. (v) The rectum stores feces until they can be eliminated through the anus. •••••••••••••••••••••••••••••••••••••

(2ai) Amoeba —> Hydra —> Tilapia —> Toad —> Snake

(2aii) (i) Small, lightweight seeds that can be easily carried by the wind. (ii) Hairs or wings on the fruit that increase surface area and help to catch the wind. (iii) A dry, papery fruit that splits open easily to release the seeds.

(2b) =Aim:= To determine if the shoot of a plant is positively phototropic.

=Apparatus:= A potted plant, a light source, a ruler, a marker.

=Method/Procedure:= (i) Place the plant in a dark room for 24 hours to ensure that it is not positively or negatively phototropic. (ii) Place the light source at a fixed distance from the plant, with the light shining directly on the plant’s shoot. (iii) Turn on the light source and leave it on for 24 hours. (iv) After 24 hours, measure the distance between the tip of the shoot and the light source. (v) Mark the new position of the shoot tip on the ruler. (vi) Repeat the experiment two more times, moving the light source to a different position each time.

=Observation:= The shoot of the plant will grow towards them light source, bending in the direction of the light.

=Conclusion:= The shoot of a plant is positively phototropic and grows towards a light source.

=Aerobic Respiration= (i) Occurs in the presence of oxygen (ii) Produces a large amount of ATP (iii) Carbon dioxide and water are produced as waste products

=Anaerobic Respiration= (i) Occurs in the absence of oxygen (ii) Produces a small amount of ATP (iii) Lactic acid or ethanol is produced as a waste product

•••••••••••••••••••••••••••••••••••••

(3ai) – Rivers – Lakes

(3aii) TABULATE

=Complete Metamorphosis= (i) Four distinct stages: egg, larva, pupa, adult. (ii) Larva looks completely different from the adult.

=Incomplete Metamorphosis= (i) Three stages: egg, nymph, adult. (ii) Nymph looks similar to the adult, just smaller.

(3b) – Aim: To determine if chlorophyll is necessary for photosynthesis to take place.

– Apparatus: Two plants of the same species, one with leaves covered in aluminum foil, a light source, test tube, water, and a beaker.

– Observation: After a few hours, observe the test tubes to see which one has produced more oxygen bubbles.

– Conclusion: If the test tube with the leaf from the plant exposed to light produces more oxygen bubbles, then chlorophyll is necessary for photosynthesis to take place.

(3ci) (i) Overuse of synthetic fertilizers (ii) Overgrazing (iii) Deforestation (iv) Soil erosion

(3cii) (i) Hearing loss (ii) Sleep disturbance •••••••••••••••••••••••••••••••••••••

(4ai) (i) Crop diversity: Planting different crops in the same field over time to avoid the buildup of pests and diseases. (ii) Soil health: Planting crops that have different nutrient requirements to maintain soil fertility and prevent soil erosion. (iii) Pest management: Planting crops that are not susceptible to the same pests and diseases in succession.

(4aii) (i) Reduced leaves or spines to minimize water loss through transpiration. (ii) Thick cuticles and waxy coatings to reduce water loss through the epidermis. (iii) Deep roots to tap into underground water sources. (iv) CAM photosynthesis to reduce water loss during photosynthesis. (v) Ability to enter dormancy during drought periods.

(4bi) (i) Similarity in bone structure between birds and reptiles, especially in the skull and pelvis. (ii) Presence of scales on bird feet and legs, which are also found in reptiles. (iii) Similarity in egg-laying and incubation between birds and reptiles.

(4bii) (i) Detoxification of harmful substances in the blood. (ii) Production of bile to aid in digestion. (iii) Storage of glycogen, vitamins, and minerals. (iv) Regulation of blood glucose levels. (v) Production of blood clotting factors.

(4c) (i) Reforestation: Planting new trees in areas where forests have been cleared or degraded. (ii) Reduced impact logging: Using sustainable logging practices that minimize damage to the forest ecosystem. (iii) Protected areas: Establishing and maintaining protected areas for wildlife and biodiversity conservation. (iv) Community forestry: Encouraging local communities to manage forests sustainably for their own benefit and for the benefit of future generations.

(5a) DIAGRAM

(5bi) (i) Protection: the calyx protects the flower bud before it opens and the developing fruit after fertilization. (ii) Support: the sepals of the calyx can provide support for the petals and reproductive structures.

(5bii) (i) Insulin: regulates blood sugar levels. (ii) Estrogen: regulates female reproductive system and secondary sexual characteristics. (iii) Testosterone: regulates male reproductive system and secondary sexual characteristics. (iv) Adrenaline: prepares the body for “fight or flight” response to stress. (v) Melatonin: regulates sleep-wake cycles.

(5ci) (i) Gene therapy: correcting genetic disorders by introducing functional genes into the patient’s cells. (ii) Predictive medicine: using genetic testing to identify individuals who are at risk for certain diseases and develop personalized prevention or treatment plans.

(5cii) (i) Large surface area: to maximize light absorption. (ii) Thin and flat shape: to reduce the distance that light needs to penetrate into the leaf. (iii) Chlorophyll pigments: to absorb light energy and convert it into chemical energy.

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MySchoolGist » NECO » NECO 2022 SSCE Internal Registration Guidelines and Instructions

NECO 2022 SSCE Internal Registration Guidelines and Instructions

Updated on Jan 03, 2022 · By Olusegun · 8 comments

National Examination Council (NECO) has published the 2022 Senior School Certificate Examination (SSCE) internal registration guidelines and instructions. See more details on how to obtain the 2022 NECO form below.

The Senior Secondary School Certificate Examination ( SSCE ) Internal is the examination conducted for candidates in their final year of Senior Secondary School.

76 subjects are usually examined in the SSCE Internal, which are categorized as follows:

Compulsory Cross-Cutting Core Subjects
Science and Mathematics
Business Studies and;
Trade/Entrepreneurship.

NOTE : All candidates must offer the 4 cross-cutting compulsory subjects. Candidates are to offer 3-4 subjects from their area of specialization and 1 elective outside their field of specialization provided the total number of subjects is not more than nine (9). The minimum number of subjects is eight (8)

NECO SSCE Internal Registration Guidelines and Instructions

Find below the comprehensive procedure and guidelines for the 2022 SSCE Internal registration. You are requested to painstakingly read through, understand and comply with the requirements therein. Do not hesitate to ask questions or seek for explanation on any aspect of the registration procedure which you may not have clearly understood. Please note that you are expected to read and clearly understand this registration procedure and guidelines before embarking on the registration exercise .

ELIGIBILITY FOR REGISTRATION:

Principals/Commandants of schools are hereby informed that only candidates in their final year of Senior Secondary School i.e. (SSS3) are eligible for registration. For the avoidance of doubt, the 2022 SSCE Internal is meant for only school-based candidates in Nigeria and overseas. It is not meant for private candidates. Principals/Commandants of schools and States Ministries of Education should endeavor to enforce the eligibility condition.

REGISTRATION PROCEDURE:

The 2022 SSCE (I) registration will be both OFFLINE and ONLINE .

OFFLINE REGISTRATION

Schools are to install the 2022 SSCE Internal offline application by downloading from the Council’s website: www.neco.gov.ng . The user manual on the step-by-step offline and online registration procedure can also be downloaded from the Council’s website. Schools are to make all entries of their candidates’ bio-data offline and intermittently synchronize online to avoid loss of data. Ensure that all prospective Candidates are registered offline, such that as they pay, they could be uploaded online progressively. Please note that a candidate is only registered if his/her offline entries are uploaded online to obtain a registration number . Online upload is only possible upon payment of registration fees.

BIOMETRIC DATA CAPTURING

Biometric data capturing is a process by which candidates’ fingerprints (10 fingers) are captured during offline registration. The Biometric application can be downloaded from the Council’s website or through the SSCE Internal Dashboard. It is a vital part of the offline registration because without it, candidates’ data cannot be uploaded online. FUTRONIC (FS80H) should be used for the data capturing. Schools are to ensure that candidates crosscheck their data (Name, Picture, Date of Birth, Sex, Subjects, etc.) on the preview page during the biometric capturing and can go back to the Offline application to correct any error detected by the candidate(s).

The Council should be notified of any physically challenged candidate(s) whose fingerprints cannot be captured during offline registration process.

Schools should NOTE that:

Duplication of registration will not be entertained since no two biometric data are the same.
No person(s)/candidate(s) should be allowed to capture their fingerprints on behalf of the rightful candidate(s) as any candidate whose biometric data does not match the data uploaded during verification exercise will be deemed to be impersonating .

VISUALLY IMPAIRED CANDIDATES

Visually impaired candidates are to be registered like everyone. However, the nature of their disability is to be indicated correctly when making entry of their bio-data in the offline application during registration. Visually impaired candidates are of two categories:

Complete Blindness

OFFLINE VALIDATION

After successful offline registration, schools are to do the offline bio-data validation before uploading registration data online. Candidates are to check and make all corrections of Name, Picture, Date of Birth, Sex, Subjects etc., before uploading the registration data online. PLEASE NOTE THAT THE COUNCIL IS NOT LIABLE FOR REGISTRATION ERRORS. ALL REGISTRATION ERRORS MUST BE CORRECTED DURING THE VALIDATION PROCESS BEFORE UPLOADING THE REGISTRATION ONLINE.

PROCEDURE FOR OFFLINE VALIDATION

Upon completion of the offline registration, schools are to print the offline photocards of all the candidates from the offline application and issue to each candidate to confirm that his/her Picture, Name, State, Local Government Area (LGA), Date of Birth, Sex and the Subjects he/she wishes to sit for are all correct. Where errors are discovered, candidates should correct such errors on the photocard and sign in the appropriate column. Where there are no errors, Candidates should just sign the appropriate column. All signed photocards are to be returned to the person doing the registration to enter all corrections in the offline application. NOTE THAT ALL CORRECTIONS MUST BE DONE OFFLINE AND DUPLICATION OF REGISTRATION WILL NOT BE ENTERTAINED . The Council is not liable for any registration errors committed by schools during registration and will only entertain non-validation after schools have uploaded their entries online upon payment of fine .

Please note that any school that requests for correction of Name ( only error in spelling of Name will be entertained ), Picture, Date of Birth, Sex or Subject(s) is deemed to have indulged in “ NON- VALIDATION ”. The penalty fee for non-validation is Seven Thousand Naira (N7,000.00) only per candidate irrespective of the nature of non-validation.

After effecting all corrections, the validation list should be printed and given to candidates to further confirm that all the corrections they made on their photocards (if any) have been duly effected. Where Candidates discover on the Validation List that the error(s) were not effected, the attention of the person doing the registration should be drawn to effect the correction(s). Candidates should append their signatures on the corrected copy of the Validation list against their respective names. The signed offline validation list is one of the documents to be returned to respective NECO State Offices along with other Validation Documents.

SCHOOL ACTIVATION FOR PAYMENT

Each School must be activated by the NECO State Officer of each respective State and FCT before payment and upload could be possible. Schools are to return the Validation Documents to their respective State Officers, who would thereafter, activate the School for payment of the required candidates to conclude the registration.

The validation Documents to be returned to NECO State Offices before activation are:

Validation List duly signed by the candidates
Candidates’ signed Photocards
Entry Schedule duly endorsed by the State Ministry of Education
Subject Analysis

Schools are to note that Centre activation commences on 10th January, 2022 .

PAYMENT PROCEDURE AND UPLOAD

All payments should strictly be made through the school’s online NECO portal . Upon successful payment, registration quota is allocated according to the amount paid into the NECO TSA. After the quota is allocated, schools can select the individual candidates to upload (if the payment is not for all candidates) by checking the selection boxes against each candidate’s name or clicking the “ check all “box to select the entire candidates, if the payment is for all the candidates. Note that when paying in installments, initial payment should be made for at least 20 candidates to avoid being surcharged for unviable centre fee .

After successful payment, quotas allocated and the payment receipt is sent to the administrator’s email address. Schools can also print their payment receipt from the transaction history in their school profile and submit a copy to the NECO State Office along with the final Validation list that carries Candidates’ registration numbers. The allocated quota would be used to upload and register candidates. After successful upload, registration numbers are automatically assigned to each registered candidate on both the final photocard and validation list. Immediately after completion of the registration, schools should print the final validation list and give all candidates to sign against their respective names. The payment receipt and the signed final validation list should be endorsed by the School Principal/Commandant before submission to NECO State Office. The final photocards that bear the candidates’ registration numbers are to be used for admission of candidates into the examination hall(s), as well as for candidates’ biometric verification exercise during the examination.

DETAILS OF EXAMINATION FEES AND OTHER MATERIALS

Details of the Examination fees and other registration materials are as follows:

Registration fee for the 2022 SSCE Internal is N17,800.00 only per candidate
Photo album is N1,700.00 per pair
Four-figure table is N250.00 per copy
Syllabus is N1,500.00 per copy
Unviable Centre fee is N50,000.00
Late Registration attracts a Penalty of additional N2,000.00 per candidate
Note that Stamp Duty, Service and Remita charges apply

MINIMUM NUMBER OF CANDIDATES

The minimum number of candidates to be registered by a school is 20 (twenty).

Any school registering less than twenty candidates is deemed unviable and as such shall pay unviable centre fee of Fifty Thousand Naira (N50,000) only, if they wish to write the examination in their school.

E-PHOTO ALBUMS

The electronic photo albums will be generated by the Council. A pair of purchased e-photo album will be endorsed and a copy sent to your school.

Each e-photo album has provision for 171 candidates. A pair of e-photo album costs One Thousand Seven Hundred Naira (N1,700) only.

SYLLABUS AND FOUR FIGURE TABLE

The syllabus for NECO SSCE is available at the cost of One Thousand Five Hundred Naira (N1,500) only per copy and each school is advised to have at least four (4) copies. Furthermore, each candidate is to obtain a copy of NECO four-figure tables at the cost of Two Hundred and Fifty Naira (N250.00) only .

3RD YEAR CONTINUOUS ASSESSMENT SCORES (CA3)

The period for CA3 entries by schools is from 27 th June – 20 th August, 2022 . Schools should ensure that they use the offline application to make entries for CA3 within the stipulated period, ensure complete upload and print CA3 for reference purpose.

Procedure for CA3 entry and upload:

Login to the Offline portal
Click on Third Year CA menu
Select the Candidate
Make entries for CA3 and save
Connect online and upload by synchronizing all saved entries

Any school that fails to upload the CA3 within the stipulated period stated above, will pay penalty fee of Twenty-five Thousand Naira (N25,000.00), then upload before result is released.

Any school still having candidates (partial or full) without CA3 for 2019, 2020 and 2021 registration should endeavour to pay the late submission penalty fee of Twenty-five Thousand Naira (N25,000.00) only for the specific year and also upload the CA3 immediately as this is why your candidates are yet to receive their results.

ONLINE CENTRE DISPUTE

Online centre dispute is the procedure for changing the schools’ login detail for those that could not access their portal on the NECO website due to one reason or the other. Schools are advised to always use an official email address as this will stop the constant changing of login details. However, all dispute request should henceforth be officially channeled through the various State Offices. This is to authenticate the request and stop unauthorized parties gaining access into schools’ portal without their consent, as experienced lately.

REGISTRATION PERIOD AND CLOSING DATE

The registration period is between Monday 13 th December, 2021 and Monday 30 th May, 2022 .
The website will be closed at 12:00 midnight on 30 th May, 2022 .
The last date for return of printed payment receipt and endorsed final validation list is Friday 17 th June, 2022.

PLEASE NOTE THE FOLLOWING IMPORTANT DATES AGAIN

Commencement of registration by schools is from Monday 13 th December, 2021.
Last date for registration by schools is 30 th May, 2022.
Last date for submission of printed payment receipt and endorsed final validation list is 30 th May, 2022.
Last date for upload of CA3 online is 20 th August, 2022.
The Examination will hold from 20th June to 6th August, 2022 .

NECO BIOLOGY PRACTICAL 2022 ANSWERS

neco 2022 answers

NECO Biology Practical 2022 ANSWERS, For the May/June 2022 Neco Exams, NECO Biology Practical Questions and Answers 2022 are currently accessible. Free Expo Runs for NECO Biology Practical Questions and Answers in 2022. You may find free NECO Biology Practical Expo answers in this page, along with NECO Biology Practical 2022 questions that have come up again and again.

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Neco Biology Practical Answers 2022

Do you plan to pass a Biology Practical NECO 2022? Are you trying to find 2022 WAEC Biology Practical questions, 2022 NECO Essay and Objective questions, 2022 WAEC Biology Practical Expo questions, or 2022 Biology Practical NECO runs to help you pass the 2022 Biology Practical NECO exam? If you said “yes,” you are cordially invited to view the largest database of exam questions and answers in the entire world.

Additionally, you’ll discover the format of and how to respond to NECO Biology Practical questions 2022. In Nigeria, the Senior Secondary Certificate Examination and the General Certificate in Education are administered by the National Examinations Council in the corresponding months of June/July and December/January.

Neco 2022 Biology Practical Obj & Essay Questions and Answers

Biology (Practical) – 10:00am – 12:00noon

(1ai) Specimen A – Microscope Specimen B – A ripe mango fruit Specimen C – Transverse section of a tomato fruit Specimen D – Groundnut seed Specimen E – Maize grain

(1aii) (i)Eye piece lens (ii)Objective lens (iii)Stage

(1aiii) Specimen A is used to study small organisms and cells in the laboratory

(1bi) CLICK HERE FOR THE IMAGE

(1bii) Specimen B is dispersed by animals

(1biii) (i)It is edible. (ii)It is brightly colored

(1biv) In a tabular form:

Specimen B: (i)One seeded (ii)Hard and woody endocarp

Specimen C. (i)Many seeded. (ii)Fleshy endocarp

(1ci) In a tabular form:

Experiment:

Observation: Spot becomes translucent.

Conclusion: Oil is present.

(1cii) Fats and oil is present in specimen D.

(1ciii) Specimen E is a source of food for man.

(2ai) Specimen F – Carrot Specimen G – Irish Potato Specimen H – Water lily Specimen I – Prawn

(2aii) Vitamin A in specimen F helps to maintain healthy eyes, teeth, skeletal and soft tissue, mucus membranes and skin.

(2aiii) It has a swollen root

(2aiv) In a tabular form:

Experiment.

Observation: G turns blue black in colour.

Conclusion: Starch is present.

(2bi) (i)Presence of long petiole which supports the broad lamina on the surface of the water. (ii)The upper surface of the leaf is waxy which prevents the clogging of the stomata. (iii)Presence of well developed and numerous adventitious roots which anchors the plant firmly (iv)Flowers are raised above water surface by long stalks for purpose of pollination.

(2bii) Specimen I belongs to the class of Crustacea.

(2biii) (i)It has two body regions. (ii)It has a pair of antennae.

(2biv) In a tabular form:

External feature: (i)Pair of antennae (ii)Pair of legs (iii)Stalked compound eyes.

Function: (i)For feeling (ii)For walking (iii)For sight

(2bv) (i)It serves as food for man (ii)It serves a source of income

(3ai) J-Tilapia fish K-Tadpole L-Spider

(3aii) (i)Both possess eyes (ii)Both possess mouth (iii)Both possess operculum

(3aiii) Tabulate SPECIMEN J: (i)Fins present (ii)Scales present

SPECIMEN K: (i)Fins absent (ii)Scales absent

(3bi) CLICK HERE FOR THE IMAGE

(3bii) (i)Possession of laterally flattened and streamlined body for easy movement in water. (ii)Possession of pectoral and pelvic fins for slow movement, balancing and steering.

(3ci) (i)Prosoma (ii)Opisthosoma (or abdomen)

(3cii) Specimen L belongs to the class Arachnida.

(3ciii) (i)It has eight walking legs (ii)It has eight simple eyes.

IMAGE VERSION BELOW

COMPLETED!!

Tuesday 19th July 2022 Biology (Practical) – 10:00am – 12:00noon

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To view all of the NECO Biology Practical 2022 Questions Paper & Answers, scroll down.

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Neco Biology Practical 2022 Questions and Answers

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Getting Ready Biology Practical NECO 2022 Answers

EXAMINATION SCHEME FOR NECO 2022 Biology Practical answers

If you’re curious as to how the 2022 NECO Biology Practical question will be structured, you may obtain the major gist/expo here as we openly unveil and explain everything.

The objective and theoretical sections of the 2022 WAEC Biology Practical QUESTIONS exam will be separated. Here are some hints regarding what these TWO parts will contain. Please remember that you have a specified amount of time and must finish both (two) portions on the SAME DAY. Join us as we analyze the two portions of the 2022 Biology Practical examination.

Important Information Regarding the Biology Practical Questions and Answers 2022 NECO Exam

Before or during the exam, the 2022 Biology Practical NECO QUESTIONS AND ANSWERS will be uploaded. All you have to do is go to archinformant.com and keep refreshing the page till the 2022 NECO Biology Practical ANSWERS appear to acquire the 2022 Biology Practical ANSWERS.

When will I get the 2022 Biology Practical Exam Verified NECO Questions and Answers? The night before the exam, you will receive the 2022 NECO Biology Practical ANSWERS due to the significance of the physics subject.

What grade can I expect to receive if I use our Biology Practical NECO answers 2022? You will obtain a grade between 7As and 9As if you write the 2022 NECO Biology Practical Answers exactly.

How reliable are your NECO responses for the 2022 Biology Practical? The fact that our 2022 NECO Biology Practical ANSWERS originated from the most reputable exam-running website in Nigeria, archinformant.com, ensures their authenticity, legitimacy, and deserving of trust.

Where can I obtain the 2022 Govement NECO questions and answers? Only Archinformant.com will be able to provide access to the 2022 NECO Biology Practical ANSWERS.

BIOLOGY PRACTICAL SPECIMEN

INSTRUCTION: The school should provide the following for the candidates: (i) Iodine Solution. (ii) Dropper. (iii) Million’s Reagent.

Candidates should be provided with the following specimens during the examination:

Specimen A – Microscope. Specimen B – A Ripe Mango Fruit. Specimen C – Transverse Section of Tomato Fruit. Specimen D – Groundnut Seed (Fried/Dried). Specimen E – Maize Grain. Specimen F – Carrot. Specimen G – Irish Potatoes (RAW). Specimen H – Water Lily. Specimen I – Prawn. Specimen J – Tilapia Fish. Specimen K – Tadpole (8-9 weeks old). Specimen L – Spider.

Neco Biology Practical Answers 2022

Are the responses on this website the primary 2022 NECO Biology Practical RESPONSES? Yes, whenever they become available, the 2022 NECO Biology Practical Answers will be uploaded.

NECO Biology Practical Expo Questions and Answers/Theory and Objectives 2022/2023 Questions and answers, theory, and objectives for the Biology Practical’s WAEC Expo in 2022 NECO’s Biology Practical Runs Runz, Biology Practical Questions, and NECO’s Expo on Biology Practical Questions, Answers, Theory, and Objectives for 2022–2023 are all scheduled events (Runz runs). What will be addressed in the 2022–2023 NECO Biology Practical EXPO on Biology Practical QUESTIONS & ANSWERS/THEORY & OBJECTIVES?

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NECO Biology Questions And Answers 2023 | Essay And Objectives

This article reveals all you need to know NECO Biology Questions and Answers 2023 | Essay and Objectives. All NECO candidates for 2023 June/July SSCE should take every information contained in this post very serious.

I have specially prepared this article for the benefit of those who will be writing the 2023 June/July NECO examination. If you are sure that you would be sitting for this examination and biology is one of the subjects that you will be writing, pay close attention to all that you are going to see here.

There is good news for you!

Do wish to the complete NECO biology questions and answers before entering the examination venue/hall? If you have answered yes to this question, then you have to read this article to the end.

I have got EXPO for you on 2023 NECO Biology Questions and answers for Essay and Objectives. Do not leave this page if want to get detailed information about it.

Keep reading!

Download New NECO Timetable For Free Here

NECO Biology Answers 2023 (EXPO)

Neco biology questions and answers for 2023 (essay and objectives), neco biology objective question for 2023, neco biology objective answers for 2023, neco biology theory questions for 2023 (essay), neco biology theory answers for 2023, more neco biology objective questions, neco biology objective answers to practice questions, related links:, read instructions, read carefully, take note of compulsory questions, start with the simplest, 5. attempt all the question, 6. review your answers, top 5 reasons for poor performance in neco biology examination.

1-10: DDEDBAEACC

11-20: DEECCBBBAB

21-30: EEADEAEAEA

31-40: BCCBCCBADE

41-50: DCCBCBECDC

51-60: EABBCCBADE

(i) Setting up of national park and gardens to save wildlife in their natural environment.

(ii) Poaching i.e. uncontrolled and illegal killing of game should be prevented.

(iii) Avoiding the use of pesticides that may kill off many animals

(vi) Prohibiting deforestation and encouraging afforestation

Sexual reproduction involves the fusion of two gametes – male and female gametes during fertilization to form a zygote which develops into a new organism. It involves organisms of the same species.

Sexual reproduction is the fusion or joining of male and female gametes or nuclei from different individual to form a zygote which later develops into an embryo or organism.

(i) biceps (flexor)

(ii) Triceps (extensor)

– When one touches a hot object, the sensory receptor in the skin receives the stimulus

– An impulse is transmitted from the receptor to the spinal cord, via the dorsal root/sensory neurone

– The intermediate neurone in the spinal cord passes on the impulse to the motor neurone

– The motor neurone then sends the impulses to an effector organ (muscle) via the ventral root

– All the neurones are linked by synapses across which impulses are sent

– The muscle upon receiving the impulse contracts causing the hand to be withdrawn from the hot object

(Pick Any Three)

(i) It provides water for photosynthesis

(ii) To get rid of excess water in the plant

(iii) It helps plants to continually draw water from the soil into their stem and leaves.

(iv) Some evaporation of water uses latent energy from plants and therefore keeps the plant cool

(v) It helps in the transport of mineral salts from soil to leaves and growing points of the plant

(i) Growing of cover crops like grasses, sweet potato which covers the surface of the soil

(ii) Contour ploughing: ploughing along the contours of a slope to reduce the speed of runoff water.

(NUMBER TWO)

Metamorphosis: This is the name given to the change in form shown by insects and amphibians from the egg stage to the adult stage.

(Pick Any Four)

(i) It regulate sex drive (libido)

(ii) It helps in the production of sperm

(iii) It helps in the production of red blood cells

(iv) It is responsible for muscle mass and strength

(v) Cause an increase in bone mass

(vi) Responsible for fat distribution

(i) It deaminates excess amino acid to urea

(ii) It stores iron from broken down cells

(iii) It detoxified poisonous substances and sent to the kidney for excretions

(iv) It supplies heat to the body by its metabolic reactions

(v) It also store fats and releases it at controlled rates into the blood when the need arises

(vi) It stores and releases minerals (iron, copper and potassium and vitamins (A, D and B12)

(i) Oxygen (only in the day)

(ii) Carbon dioxide (only at night)

(iii) Water

(iv) Tannins

(v) Alkaloids

(vi) Resins

(vii) Latex

– The semi-circular canals in the inner ear are responsible for the maintenance of balance with respect to circular motion.

– There are three semi-circular canals and each is found in one of the geometrical planes (right angle to each other)

– During spinning, the gelatinous cupula in one of the semi-circular canals is set in motion.

– This stimulates the sensory hairs, and impulses are sent through the auditory nerves to the brain for proper body posture.

– When one stops spinning, the gelatinous cupula does not stop moving instantly but continues to move for some time

– This cause the continue feeling of the sensation of spinning

(i)Buccal respiration

(ii)Lung respiration

(iii)Skin respiration

TABULATE PLEASE

=WIND POLLINATED FLOWERS=

(i) The flowers are not attractive

(ii) The pollen grains are not sticky

=INSECT POLLINATED FLOWERS=

(i) The flowers are attractive

(ii) The pollen grains are sticky

(i)Parietal placentation.

(ii) Basal placentation.

Light rays from an external object is refracted by the cornea, aqueous humour, the lens and the vitreous humour. The lens act as the fine adjustment bringing the rays to a focus on the retina. The image formed on the retina of human are inverted and diminished. The brain receives the stimulus via the optic nerves and then interprete it.

(i)Parasitic nutrition

(ii)Symbiosis

(iii)Carnivorous nutrition

(i) Internal fertilization

(ii) External fertilization

– After fertilization, the zygote divides repeatedly and develops into an embryo which consists of the plumule, radicle and one or two cotyledons.

– The primary endosperm nucleus develops into a nutritive tissue called endosperm, which stores food used by the developing embryo

– The synergids and the antipodal cells degenerate

– The ovule changes to form the seed and the interguments form the seed coat

– The micropyle remains where air and water enter the seed.

– The ovary develop into the fruit and the ovary wall forms the fruit wall called the pericarp.

– The style shrivels off, the petals, sepals and the stamens wither and fall off

(i) Red blood cells

(ii) White blood cells

(iii) Blood plasma

(iv) Platelets

(i)They are proteinous in nature

(ii) They speed up the rate of chemical reaction

(iii) They are organic catalyst

(iv) They are specific in function

Mendel’s first law also known as the law of segregation of genes states that during gamete formation, two alleles at a gene locus segregate from each other and each gamete has an equal probability of containing either allele

In this section, I will start by showing you all the questions that you should expect in your NECO biology objective questions for 2023.

Candidates should note that all the questions given in this section are predictions that are likely going to be true about NECO 2023.

Instructions

Each question is followed by FIVE options lettered A to E.

Find out the correct option for each question and shade in pencil in your answer sheet the answer space which bears the same letter as the option you have chosen.

Give only ONE answer to each question. An example is given below.

Which of these organisms is unicellular?

D. Paramecium

E. Spirogyra

The correct answer is ‘paramecium’ which is letter D, and therefore answer D would be shaded.

(A) (B) (C) ( D ) (E)

Erase completely any answer you wish to change.

Do all your rough work on this paper.

1. Which of these organisms exhibit both plant and animal features?

2. Water vapour in the mesophyll layer reaches the atmosphere via the

A. guard cells.

B. lenticels.

C. micropyle.

D. mid rib.

3. Plants with succulent stems and root systems are leaves, sunken stomata and deep

A. epiphytes.

B. hydrophytes.

C. mesophytes.

D. pteridophytes.

E. xerophytes.

4. Which of the following classes of food is stored in the body as energy reserve?

A. Carbohydrates

B. Fats and oil

C. Mineral salts

D. Proteins

E. Vitamins

5. Which of these fruits sticks to the body of animals during dispersal?

B. Caryopsis

E. Schizocarp

See also: NECO Government Questions and Answers for 2023

6. Which of the following groups of organisms causes blackpod disease?

A. Bacteria

B. Bryophytes

C. Protozoans

7. The mouth parts of mosquito are adapted for

A. piercing and chewing.

B. cutting and sucking

C. biting and filtering.

D. biting and licking.

E. piercing and sucking.

8. In housefly, the pair of stump-like wings beneath the first pair of wings is called

A. elytron.

B. halteres

D. squamosa

9. Which of these is NOT an excretory product?

10. The change in colour of a chameleon is an adaptation for

A. feeding.

C. movement.

D. protection.

E. reproduction.

11. A flower made up of one carpel is referred to as

A. apocarpous.

B. monocarpous.

C. monogamous.

D. pericarpous.

E. syncarpous.

12. Which of these soil types plays the most important role in determining the healthy growth of a vegetation?

A. Clay soil

B. Laterite

C. Loamy soil

E. Sandy soil

13. During the inspiration process of breathing in man, which of the following events takes place?

A. Diaphragm becomes dome-shaped.

B. Intercostal muscles relax.

C. rib cage is lowered.

D. Sternum moves forward.

E. Volume of the thorax decreases.

14. Lungs and gills are used for respiration in

C. insects.

15. An association between two organisms where both members benefit is known as

A. commensalism.

B. Cretinism

C. mutualism

D. parasitism

E. saprophytism.

16. The anaerobic process of respiration occurs in the

A. cytoplasm

B. endoplasmic reticulum.

C. mitochondrion.

E. ribosomes.

17. Excessive thyroxine secretion causes

A. hyperactivity.

B. hypoactivity.

C. isoactivity.

D. metamorphosis.

E. sensitivity.

18. The male and female gametes of a flower are

A. stigma and anthers.

B. style and stigma.

C. pollen grains and ovules.

D. Ovary and anthers.

E. anthers and filaments.

19. Which of the following is absent in the mammalian male organ?

A. Epididymis

B. Sperm duct

20. Which of these best defines an association in which the host is harmed?

A. Commensalism

B. Mutualism

C. Parasitism

D. Saprophytism

E. Symbiosis

21. Volvox exists as a/an

22. Meiotic cell division results in the

A. growth of the cell.

B. production of chromosomes.

C. production of gametes.

D. production of two daughter cells.

E. repair of tissues.

Use the above diagram to answer questions 23 and 24.

23. The fruit is formed from the part labelled?

24. What is the function of the part labelled I?

A. Develops into fruit

B. Grows into the pollen tube

C. Holds the flower

D. Produces the pollen grains

E. Receives pollen grains

25. The attachment of the embryo to the wall of the uterus is called

A. conception.

B. oogenesis.

C. fertilization.

D. implantation.

E. placentation.

Use the diagram above to answer questions 26 and 27.

26. In which of the labelled parts does a developing embryo obtain its food.

27. The part labelled II in the diagram is called.

A. albumen.

28. Which of the following animals exhibits territoriality?

29. The study of living organisms in relation to their environment is called

A. cytology.

B. ecology.

C. haemotology.

D. mycology.

E. paleontology.

30. Which of the following is the correct sequence of a food chain?

A. Grass →Grasshopper →Toad →Snake →Hawk.

B. Grasshopper →Toad →Hawk →Grass →Snake.

C. Snake →Grass →Hawk →Grasshopper →Toad.

D. Hawk →Grass →Snake →Grasshopper →Toad.

E. Grass →Grasshopper →Toad →Hawk →Snake.

31. Which of these is a pathogen?

A. HIV virus

C. Small pox

32. A bone with large centrum, neural canal and long spine can be found around the

33. Which of these food sources is rich in carbohydrates?

B. Groundnuts

34. Which of these is a morphological variation?

A. Blood groups

B. Colour blindness

D. Tasting PTC

E. Tongue rolling

35. The condition in which light rays from near objects are brought to focus behind the retina is

B. hypermetropia.

C. presbyopia.

D. astigmatism.

E. accommodation.

36. The two digestive enzymes that work in an acid medium are

A. amylase and pepsin.

B. lipase and renin.

C. maltase and erepsin.

D. pepsin and renin.

E. trypsin and lipase.

Study the diagram above and use it to answer questions 37 and 38.

37. In the diagram above, the part labelled II is called

A. contractile vacuole.

B. cytoplasm

C. eyespot.

D. photoreceptor.

E. flagellum.

38. The function of the part labelled III in the diagram is to

A. absorb water from the surrounding.

B. control the activities of the cell.

C. manufacture food.

D. move the organism.

E. store waste products.

39. The part of the nervous system which controls voluntary actions is the

A. cerebellum.

B. cerebrum.

C. medulla oblongata.

D. spinal cord.

E. thalamus.

40. Which of these insects undergoes incomplete metamorphosis?

B. Butterfly

C. Cockroach

D. Housefly

E. Mosquito

41. Which of the following blood groups is a universal recipient?

42. A little food substance in a test tube plus millon’s reagent when heated, tests for the presence of

A. Fats and oil.

B. Simple sugars.

D. Mineral salts.

E. Protein.

43. A child produced from the mating between mother and son (as in goats) is an example of

A. asexual reproduction.

B. cross-breeding.

C. in breeding.

D. out breeding.

E. self-fertilization.

44. The hereditary material controlling a particular trait in organisms is called

A. centrosome.

B. chromatid.

C. chromosome.

E. lysosome.

45. Which of these causes competition in a habitat?

A. Abundance of food.

B. Drought and adverse weather

C. High photosynthetic activities

D. Increase in population

E. Moderate rainfall and temperature

46. Which of these methods is a modern way of food preservations?

C. Refrigeration

47. The association existing between tapeworm and man is

A. holozoic.

B. parasitic.

C. predatory.

D. saprophytic.

E. symbiotic.

48. Sex-linked traits are

A. carried by genes on sex chromosomes.

B. carried by genes on autosomes.

C. most often x-linked.

D. mostly transferred from mother to offspring.

E. often recessive in nature.

49. Which of the following defines a climax community?

A. A stable stage in the succession of organisms

B. A series of changes in the population of organisms

C. Highest attainable stage in species composition

D. A community that changes only when a habitat factor changes

E. The composition and size are the same over a long period of time

50. If a young couple is found to be carriers of baldhead trait, what is the probability that their first child would be baldheaded?

Use the diagram below to answer questions 51 and 52.

51. Which of the following indicates the direction of movement of sperm introduced into the female reproductive organ.

A. II →I →IV →V

B. III →II →I →IV

C. VI →V →III →II

D. VI→IV →III →II

E. VI →IV →II →I

52. Where does fertilization take place?

53. Infertility in females may be as a result of

A. hairs on the body

B. lack of ovulation.

C. menstrual cycle.

D. narrow pelvis.

E. small breasts.

54. In which of the following parts of plants can auxins be found in highest concentration?

B. Lenticel

E. Shoot apex

55. Which of these animals possesses an exoskeleton?

A. Earthworm.

D. Starfish.

E Tapeworm.

56. The central nervous system is made up of which of the following pairs?

A. Brain and spinal cord.

B. Brain and nerves

C. Spinal cord and Sympathetic nervous system

D. Parasympathetic and sympathetic nervous systems.

E. Brain and Cerebrum

57. Which of the following is an autotrophic mode of nutrition?

A. Holozoic

B. Parasitic

C. Photosynthesis

D. Saprophytic

E. Symbiotic

58. For an organism to survive changes in its environment, it must

A. absorb more water.

B. adapt to the new conditions.

C. find shelter.

D. obtain more food.

E. obtain more light.

59. Which of these cell organelles is associated with energy generation?

A. Chloroplast

B. Endoplasmic reticulum

C. Golgi apparatus

D. Mitochondrion

E. Ribosome

60. In hypogeal germination, the

A. cotyledons are beneath the ground.

B. cotyledons are above the ground.

C. Epicotyl is beneath the ground.

D. Hypocotyl is above the ground.

E. Hypocotyl and cotyledons are above the ground.

The following are the answers to the objective question given in the previous section:

More of the answers to the objective question shall posted shortly. Keep checking this site for timely updates.

How to Answer NECO Biology Questions

This section the article is for everyone and especially for all those candidates who are desperate to knowing the right thing to do in order to achieve excellent performance in NECO Biology examination.

The following are the special tips on how to answer NECO biology questions:

Once you have settled to take your examination in the examination hall, the next thing that you must do first is to read through the instructions on top of the page before you can proceed with reading the questions.

Most times, some instructions are specific to some questions, maybe one or two questions. Here, you still have to take those instructions very serious.

Before you can proceed to answering NECO biology questions, it is highly recommended that you read carefully to understand any question before you can start to answer the questions.

It is possible to see questions that would be similar to what you have been seeing before, probably in past questions, but they are not the same.

This is the point where it is very necessary that you meticulously go through the question before you answer, to avoid choosing the wrong option for objectives and giving wrong explanations for theory questions.

In every NECO examination, there is/are usually some questions that are specially made compulsory by the Nation Examination Council. These questions are always seen in the paper 2 which is theory aspect of it.

You must ensure that you are able to answer those compulsory questions before you can think of answering any other ones. The compulsory questions do carry special mark.

Just like any other examinations, the complexity of every question in NECO government examination varies. After you have gone through the questions, you would be able to tell which of the questions are simple and the ones that are difficult.

The best approach in such case requires that you answer the questions from the simplest to the most complex ones. This is important because it will help to cushion you against examination tension.

Not only that, it also helps in the management of your time. If you are finding any question difficult to answer, you have to leave it and go to the next. Thereafter, you can re-visit those questions that you have left unanswered.

Though it is advisable that you start answering your question from the simplest, leaving the more difficult ones at the first attempts, it does not imply that you should submit you examination without answering those ones you skipped.

It quite understandable that you may not know all the asked questions, you are still required choose your answers even the ones that you do not really know very well.

Sometime, your guess can fall in place and become the right answer. So always ensure that you attempt all you question before you submit.

After you have attempted the entire given questions, you still have to go through all the answers to check for any errors and possible corrections.

By going through the questions, you would be able to see any skipped question(s), if any and the ones you mistakenly clicked the wrong options.

Get more tips: How to Pass your NECO Examination at One Sitting

It is an error to assume that NECO biology examination is hard. Failure to perform excellently in NECO biology examination is a question of whether the candidate knows the right things to do and if he/she is doing it right.

The poor performance that have been seen in some candidates’ results over the years are as a result of poor application of the basic principles for writing NECO biology examination and some other factors that I am going to show you here.

Inadequate Preparation

This is the most important aspect of the reasons for poor performance in NECO biology that should be considered.

It is obtainable in all areas that when there is poor preparation for any examination they will be poor result. As a good student, you are required to prepare for the NECO biology examination to the point that you would be sure of scoring high.

Reading without Past Questions

During the preparation phase of NECO biology examination and any other subjects, it is very pertinent that candidates make use of past question papers with reference to their answers.

Failure to make use past questions and answers is one the reasons why many candidates are left in abeyance immediately they enter the examination halls for the biology examinations.

Due to the ignorance of the nature of the examination, they will not even know to answer and most time it will result to examination tension and probably fever for the students.

Poor Time Management

Time management is another important factor that can lead to poor performance in every examination. You should learn how to manage your time especially when you are in the examination hall.

The practice of time management starts from the period of the candidate’s preparation for the examination. Once you can answer your past questions comfortably with the limited time that will be provided, you will still manage your time very well on the examination date.

Lack of Adherence to Given Instructions

There are some students who are fond of ignoring instructions when come for examination. Jumping into answering of questions without reading the given instructions is very wrong. This contributes in a big way to poor performance in the examination.

If you want to have good performance in NECO Biology, you have to strictly pay close attention to any given instructions.

Submitting Incomplete Answers

When a candidate submits the examination without attempting all the questions, it will automatically affect his/her score. It is important you answer all the questions before your submission.

I hope that you have enjoyed the information contained in this article. For more assistance on NECO Biology Questions and Answers for 2023/2024 (Essay and Objectives), kindly make use of the comment section below this article.

Do not forget to share this article with your friends.

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NECO Biology Answers (OBJ & Essay) [5th August 2021]

April 7, 2022

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Full Official NECO Timetable for Internal Exam – June/July 2024 Unveiled

The National Examinations Council (NECO) is a renowned examination body in Nigeria that conducts the Senior School Certificate Examination (SSCE) for students in their final year of Senior Secondary School.

The SSCE is a pivotal exam that serves as a gateway to higher education and various career paths. As such, the NECO timetable is a crucial piece of information for candidates, parents, educators, and all stakeholders involved.

When is the NECO SSCE Internal Exam Scheduled for 2024?

The NECO SSCE Internal Exam for 2024 is scheduled to take place from July 3rd to August 11th, 2024 .

This period allows candidates to prepare adequately for the various subjects they will be examined on.

What are the Compulsory Subjects?

All candidates must take the following compulsory subjects:

English Language
Mathematics
Civic Education
Trade/Entrepreneurship

Can I Download the NECO Timetable?

Yes, the NECO timetable can be downloaded here . It is available in PDF format for easy access and distribution.

Detailed National Examinations Council (NECO) Timetable – June/July 2024

Here’s a simplified version of the NECO SSCE Internal Exam timetable for 2024:

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NECO Biology Questions And Answers 2022
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