1. The hepatic portal vein is unique because it

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

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

4. Lime water turns milky in the presence of

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

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

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

8. The locomotory structure of Amoeba is the

9. 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

10. In Nigeria, the Guinea savanna belt borders the

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

12. Which of these actions is not a reflex action

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

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

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

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

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

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

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

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

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

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

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

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

25. Metabolic production of urea is carried out in the

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

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

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

29. The main excretory product of earth-worm is

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

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

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

33. Which of the following serves a protective role

34. The association between shark and remora fish is

35. The level of organisation of Amoeba and Euglena is

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

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

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

39. The complete cardiac cycle of one heartbeat is

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