Biology JAMB MOCK TEST

1. The organ situated in the pericardia cavity of a mammal is the

2.

3. An increase in air pressure in the lungs is due to the

4.

5. Night-blindness result from a deficiency of

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7.

8. Which of the following serves as the brain box in man

9. Which organ removes the largest amount of excess water from the body?

10. The following parts are involved in breathing process, except

11. An example of an endospermous seed is

12. Which of the following theories was NOT considered by Darwin in his evolutionary theory?

13. Which of the following protects the essential parts of the flower at bud stage?

14. which of the following is an agent of a sexually transmitted disease?

15. Which of the following animals has homodont dentition?

16. Which of the following conditions is NOT necessary for photosynthesis to take place?

17.

18. When a cell is placed in solution and the size of the cell increases, the concentration of solution is said to be

19. Which of the following plant hormone is responsible for ripening of fruits?

20. The ability of a living organism to detect and respond to changes in the environment is referred to as

21.

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23. The initial volume of water poured into a bag of dry soil was 50ml and the amount that drained through was 35mI. The percentage water content of the fully soaked soil is therefore?

24. In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to?

25. In the mammalian respiratory system. exchange of gases occurs in the?

26. Which of the statements below is not characteristic of wind-pollinated flowers?

27. Some of the features of an animal are scales, teeth, nares, and backbone. The animal is likely to be a?

28. Choose the sequence which represents the correct order of organisms in a food chain

29. Flatworms and roundworms are said to be invertebrates because?

30. When a Spirogyra cell is immersed in a salt solution more concentrated than its cell sap, it?

31. Pentadactyl plan of the fore limbs of frog, bird, horse, whale and man is a proof of?

32. The body of a snail is divided into head?

33. An adaptation for defense in animals is?

34. The movement of Euglena towards the source of light is a?

35. The waste product of insects is?

36. During mitosis, the stage at which chromosomes lines up around the equator is?

37. The part that performs urinogenital function in the male reproductive system is the?

38. The components of blood in man are?

39. The movement of sugars from the leaf to other parts of plant is?

40. Gaseous exchange in annelids is more advanced and efficient compared to flatworms because?