UNILAG BIO 101 CBT PRACTICE

1. The folds of the inner membrane of mitochondria are called ______.

2. What are the long, flattened, parallelly arranged, unbranched structures found within certain organelles?

3. The term Genetics was first coined by William Bateson in the year __________.

4. __________ occurs when the heterozygous phenotype is a blend of the two homozygotes, such as pink flowers resulting from red and white parents.

5. 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.

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

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

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

9. Producers in an ecosystem are mainly ______.

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

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

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

13. The shape of mitochondria is normally ______ shaped.

14. Which of these connotes a hybrid?

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

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

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

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

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

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

21. In the 1900 rediscovery of Mendel’s work, the scientist from Holland was __________.

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

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

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

25. What is the independent variable in an experiment?

26. Which factor of ecosystem includes plants, animals and microorganisms?

27. The position an organism occupies in a food chain is called its ______.

28. __________ is a form of asexual reproduction where an egg develops into an embryo without being fertilized.

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

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

31. The term Genetics was first coined by William Bateson in the year __________.

32. Inheritance patterns involving three or more alleles of the same gene for a single trait, such as rabbit fur color, are called __________.

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

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

35. The normal gestation period in humans is approximately ______ months.

36. Leguminous pods and capsules are examples of:

37. Select the ODD one

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

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

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

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

42. The total period during which the baby develops inside the uterus is known as the ______ period.

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

44. Natural selection acts at which of the following levels?

45. Organisms that feed directly on producers are known as ______ consumers.

46. The outer boundary of the mitochondrion is known as the ______.

47. Cellulose contains which type of glycosidic linkage?

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

49. Select the odd one out:

50. The number of mitochondria in a cell mainly depends on the ______ of the cell.