National Examinations Council

NECO Biology · Papers III & II — Objective & Essay

One sitting, one clock, covering both the objective and the essay paper. The CBT simulator practises the objective half.

38 exam-style questions, written to the National Examinations Council format and free to read. The answers are here too — what they do not tell you is how many you would get right with a clock running.

Sit this paper timed All NECO Biology papers

The organelle known as the powerhouse of the cell is the:

NECO Biology · Papers III & II — Objective & Essay

The organelle known as the powerhouse of the cell is the:

2. Which of the following is NOT required for photosynthesis?

3. The movement of water from a region of high to low water potential through a semi-permeable membrane is:

4. The relationship in which one organism benefits and the other is harmed is:

5. Which food substance is tested for with Benedict solution?

6. Organisms that break down dead organic matter are called

7. Photosynthesis takes place mainly in the

8. In flowering plants, water is transported through the

9. A destarched leaf partly covered with foil and exposed to light will, when tested with iodine, show starch:

10. Sickle cell anaemia in humans is an example of a condition caused by:

11. The genetic material of most organisms is

12. In the carbon cycle, carbon dioxide is removed from the atmosphere mainly by:

13. The end product of anaerobic respiration in muscle cells is

14. A plant cell placed in a strong sugar solution will:

15. The transfer of pollen from the anther to the stigma is called

16. The deficiency of which vitamin causes rickets?

17. Which blood vessel carries oxygenated blood away from the heart to the body?

18. The loss of water vapour from the leaves of a plant is:

19. In a food chain, green plants are referred to as

20. The basic unit of structure and function in living organisms is the

21. A cross between two heterozygous tall pea plants (Tt x Tt) gives what phenotypic ratio?

22. Which enzyme in saliva begins the digestion of starch?

23. The enzyme pepsin works best in a medium that is:

24. The main nitrogenous waste excreted by mammals is:

25. Which structure is present in plant cells but absent in animal cells?

26. The gap between two neurones across which an impulse passes is the:

27. The binomial system of naming organisms was introduced by:

28. The word equation for aerobic respiration is glucose plus oxygen gives:

29. The functional unit of the kidney is the

30. The pigment responsible for carrying oxygen in human blood is

31. A group of organisms of the same species living together in a habitat is a:

32. Which organelle is responsible for the release of energy in a cell?

33. The liquid part of blood, excluding cells, is called:

34. An organism with two identical alleles for a trait is described as:

35. Which disease is caused by a bacterium?

36. In humans, fertilisation normally takes place in the:

37. The part of the brain that controls balance and coordination of movement is the:

38. Organisms that break down dead organic matter are called

Reading these is not the same as sitting them.