UNILAG BIO 101 CBT PRACTICE

1. Gregor Mendel performed his famous genetic experiments using the __________ plant.

2. The human ABO blood group system is an example of __________, where both the A and B alleles are fully expressed in the heterozygote.

3. While common in invertebrates, parthenogenesis has also been observed in vertebrates such as the __________ as a rare response to low population density.

4. An evolutionary solution for sessile or burrowing animals that have limited opportunities to find a mate is __________.

5. What is the independent variable in an experiment?

6. The Law of __________ states that alleles for each gene separate during gamete formation so that each gamete carries only one allele for each gene.

7. The concentration of fundamental tissues that give rise to other tissues is the:

8. If one parent is heterozygous and the other is homozygous recessive, what is the chance of offspring being heterozygous?

9. Four haploid cells each genetically distinct from the parent cell that gave rise to them are produced during:

10. Cellulose contains which type of glycosidic linkage?

11. Sexual reproduction typically requires the fusion of __________ gametes to create a diploid zygote.

12. When dormancy is due to underdevelopment or non-differentiation of the embryo, it is called:

13. The movement of ions from an area of high concentration to low concentration due to random motion is:

14. The structures responsible for ATP production in mitochondria are known as ______ particles.

15. The biological process by which new individual organisms are produced from their parents is known as __________.

16. A symport protein transports

17. Organisms that break down dead plants and animals are called ______.

18. The largest ecological unit that includes all ecosystems on Earth is the ______.

19. The study of the tissue and cell structure of plant organs is called:

20. A cross where parents differ by only a single trait, resulting in a 3:1 phenotypic ratio in the F2 generation, is known as a __________ cross.

21. Cells with high energy demand such as ______ contain many mitochondria.

22. In the study of heredity, the tendency of offspring to vary from their parents is defined as __________.

23. A mode of reproduction that relies entirely on mitotic cell division and results in genetically identical copies of the parent is __________ reproduction.

24. The stage of development after the embryo, when body structures are more developed, is called the ______.

25. Which of the following groups embraced the rest?

26. The mechanism of asexual reproduction involving the splitting of a parent organism into two individuals of approximately equal size is called __________.

27. The shape of mitochondria is normally ______ shaped.

28. In fibroblasts, mitochondria are usually ______ in appearance.

29. Ecology is the study of the relationship between organisms and their ______.

30. In __________, new individuals arise from outgrowths of existing ones, a process commonly seen in stony corals.

31. Select the ODD one

32. The repeated division of the zygote to form many cells is known as ______.

33. When the testa (seed coat) is too hard to allow the embryo to expand, the dormancy is called:

34. The breaking of the body into several pieces followed by the regrowth of lost body parts is known as __________.

35. The stage of development where the organism begins to take shape after several cell divisions is called the ______.

36. Mitochondria are commonly referred to as the ______ of the cell.

37. A group of organisms of the same species living in a particular area is known as a ______

38. Which of these is a disaccharide?

39. Allium cepa is the scientific name for:

40. Individual's metaphase chromosomes organized by length, shape, centromere location is called:

41. Which of these connotes a hybrid?

42. The major structural component of plant cell walls is:

43. The process through which a baby is delivered from the uterus is known as ______.

44. In the animal kingdom, an individual that possesses both male and female reproductive systems is referred to as a __________.

45. Peroxisomes are organelles that do not contain oxidative enzymes, such as:

46. The repeated division of the zygote to form many cells is known as ______.

47. All the living organisms interacting in a particular area form a ______.

48. The major structural components of biological membranes are:

49. ______ lamins are inside, next to nucleoplasm while ______ lamins are near the nuclear envelope.

50. The process by which sperm and egg unite to form a zygote is known as ______.