1. The hepatic portal vein is unique because it

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

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

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

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

6. 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

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

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

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

10. Which of the following serves a protective role

11. The locomotory structure of Amoeba is the

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

13. Which of these actions is not a reflex action

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

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

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

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

18. The association between shark and remora fish is

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

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

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

22. Lime water turns milky in the presence of

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

24. The main excretory product of earth-worm is

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

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

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

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

29. In Nigeria, the Guinea savanna belt borders the

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

31. The level of organisation of Amoeba and Euglena is

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

33. Metabolic production of urea is carried out in the

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

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

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

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

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

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

40. The complete cardiac cycle of one heartbeat is