February 26, 2024

If you are a candidate seeking Biology NECO Questions and Answers for 2024, you have arrived at the right place as we will break them down for you. We will go further to show you how Biology NECO Questions are set and the best way to answer for full marks.

Biology NECO Questions and Answers

The National Examinations Council 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.

Biology NECO Questions and Answers

The questions below are not exactly 2024 NECO Biology questions and answers but likely NECO Biology repeated questions and answers.

These questions are strictly for practice. The 2024 NECO Biology expo will be posted on this page on the day of the NECO Biology examination. Keep checking and reloading this page for the answers.

Biology Paper II

Paper 1 will last for 1 hour. Attempt all questions from this section. Also, answer Paper 1 on your objective test answer sheet.

Note: Use HB pencil throughout.

1. Which of the following organisms carries out photosynthesis?

(a) Amoeba


(c) paramecium

(d) plasmodium

(e) Volvox


2. Which of the following cell organelles traps sunlight energy in plants?


(b) Endoplasmic reticulum

(c) Mitochondrion

(d) Ribosome

(e) Vacuole


3. The following conditions are necessary for photosynthesis except



(c) light energy

(d) oxygen

(e) water


4. The tissue which connects a muscle to a bone is known as____?


(b) muscle fiber

(c) tendon

(d) ligament

(e) connecting fibre

Read Also!!

5. A fruit formed from a single flower having several free carpels is called___?

(a) multiple fruits

(b) dry dehiscent fruit

(c) simple fruit

(d) aggregate fruit


9. If the anthers of a flower mature before the stigma, the condition is termed?

(a) epigyne

(b) hypogyny

(c) protogyny

(d) protandry

(e) perigyny


10. An instrument used in measuring the speed of wind is called__?


(b)wind gauge

(c) wind vane

(d) an anemometer

(e) a hydrometer


11. Spirogyra reproduces vegetatively by?

(a) spore production

(b) fragmentation

(c) multiple fission

(d) budding

(e) binary fission


12. Which of the following instruments is used to demonstrate the response of roots and shoots to gravity?

(a) Klinostat

(b) Manometer

(c) Porometer

(d) Potometer

(e) Photometer


13. Milk protein is hydrolyzed by____?

(a) renin

(b) amylase

(c) lipase

(d) lactase

(e) pepsin


14. The rate of transpiration of a leafy shoot would be highest under?

(a) damp, cold, still air

(b) damp, warm, moving air

(c) dry, warm, moving air

(d) dry, cold, moving air

(e) dry, warm, still air


15. What is the name of the respiratory organ of the crab?

(a) Tubules

(b) Trachea

(c) Spiracles

(d) Lungs

(e) Gills


16. The two types of human tapeworm can be distinguished by the presence or absence of?

(a) scolex

(b) hook

(c) head

(d) sucker

(e) proglottis


17. Which of these is not a digestive enzyme?

(a) bile

(b) lipase

(c) maltase

(d) pepsin

(e) ptyalin


18. In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces?

(a) alcohol

(b) oxygen

(c) carbon dioxide

(d) energy

(e) ethanol


Biology Paper III

Paper 3 will last for 1 hour


The muscle that contracts to cause the joint to straighten is called extension. When one muscle is contracted, the other muscle from the other pair is always elongated. The biceps and triceps muscles work together to allow bending and straightening of the arm.


(i) Baking of bread.

(ii) Formation of acid.

(iii) Formation of dairy products.


(i) Production of honey eg bees

(ii) Pollinating crops we use for food.

(iii) Some are scavengers and prevent decay.

(iv) Production of silk.

(v) Human food is spiked by cockroaches, ants, and flies.

Read Also!!


(i) Both have ribosomes.

(ii) Both have hybosomes.

(iii) Both have Nucleolus.

(iv) Both have Mitochondria and Golgi bodies.




Living thing:

-They can move

-They reproduce

-They grow

-They respond to stimulus

-They excrete


-Most do not move

-They do not reproduce

-They do not grow

-They do not respond to stimulus

-They do not excrete



-Large cylindrical centrum

-Large neural canal

-Short tranverse process

-Long neural spine

DISCLAIMER! These are not real Biology NECO Questions and Answers but likely repeated questions over the years to help candidates understand the nature of their examinations. Ensure to take note of every question provided on this page.

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