UNILAG BIO 101 CBT PRACTICE

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

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

3. Interphase is a stage in mitosis

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

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

6. Which plant hormone stimulates cell division/elongation and breaks seed dormancy?

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

8. Which of the following is testable in scientific enquiry?

9. The place where an organism naturally lives is called its ______.

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

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

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

13. The fusion of male and female gametes during fertilization results in the formation of a ______.

14. The inner compartment of the mitochondrion that contains enzymes and mitochondrial DNA is the ______.

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

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

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

18. Allium cepa is the scientific name for:

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

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

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

22. If a DNA molecule has 26% cytosine, what is the percentage of thymine in the molecule?

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

24. A situation in which the phenotypes produced by two alleles are clearly expressed is called:

25. The organ that supplies nutrients and oxygen to the developing fetus is the ______.

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

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

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

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

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

31. Which of these connotes a hybrid?

32. Leguminous pods and capsules are examples of:

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

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

35. Which of the following groups embraced the rest?

36. The space between the inner and outer membranes of mitochondria is called the ______.

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

38. Select the ODD one

39. Cellulose contains which type of glycosidic linkage?

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

41. Mendel's "factors," which are the carriers of heredity information, were given the name "genes" by __________ in 1909

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

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

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

45. Producers in an ecosystem are mainly ______.

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

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

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

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

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