1. Which of the following cells produces antibodies in the human body

2. The correct sequence of biomes from northern to Southern Nigeria is

3. The production of violet colouration, when dilute NaOH solution is added to a solution of food substance, followed by drops of 1%$CUSO_4$, solution; while shaking a purple or violet colouration indicates the presence of

4. The organ which is sensitive to light in Euglena is the __

5. The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the...

6. The name of a strong acid found in the human stomach is

7. Lime water turns milky in the presence of

8. Paternity, disputes can most accurately be resolved |through the use of

9. Which of the following is not a function of the blood?

10. An arthropod that is destructive at early stage of its life cycle is ____

11. An individual with blood group AB can receive blood from those in group(s) __

12. Which of these actions is not a reflex action

13. Chitin is a major component of the cell walls of

14. Metabolic production of urea is carried out in the

15. The main excretory product of earth-worm is

16. Which of the following serves a protective role

17. The rods and cones in the retina of an eye are examples of

18. Which of the following cells play a role in the body defense

19. The generic name of vitamin D is also known as

20. The scientist who postulated the theory of use and disuse is

21. The low levels of oxygen in the body tissues is called.

22. If the pair of alleles for baldness is given as Bb, a female carrier will be denoted by

23. Which of the following is an example of genetic variation?

24. In both. plants, and; animals, which of the following, cell organelles is responsible for maintaining water balance and removal of waste materials

25. The locomotory structure of Amoeba is the

26. The complete cardiac cycle of one heartbeat is

27. How many true ribs are present in the human body

28. Which of the following is likely to have a higher concentration of mitochondria?

29. The mineral required for the formation of RBC in animals is

30. The organ that excretes excess food and water in euglena and paramecium is

31. In Nigeria, the Guinea savanna belt borders the

32. The level of organisation of Amoeba and Euglena is

33. A man of AS genotype marries a woman of AS genotype, what is the probability of having a sickle cell anemia offspring?

34. The hepatic portal vein is unique because it

35. Which of the following blood vessels carries oxygen-rich blood from the lungs to the heart

36. One of the following is the first organ that develops in a fetus during organogenesis

37. In the Kidney of mammals, the site of ultra-filtration is the

38. A heterogeneous tongue roller (Tt) married a non-tongue roller (tt), The phenotype ratio of the offspring is

39. Plants of temperate origin can be growing tropical areas in the vegetation zones of the ___

40. The association between shark and remora fish is