UNILAG BIO 101 CBT PRACTICE

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

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

3. Mitochondria were first observed by:

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

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

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

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

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

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

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

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

12. Which of the following groups embraced the rest?

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

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

15. Producers in an ecosystem are mainly ______.

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

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

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

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

20. Which of these is a disaccharide?

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

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

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

24. The structure that connects the developing baby to the placenta is the ______.

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

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

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

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

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

30. Select the odd one out:

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

32. The aim of plant taxonomy includes the following, except:

33. Cellulose contains which type of glycosidic linkage?

34. What is the independent variable in an experiment?

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

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

37. The study of ecology is divided into two broad categories namely

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

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

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

41. The shape of mitochondria is normally ______ shaped.

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

43. An animal has 36 chromosomes in each of its body cells. How many of these chromosomes came from its male parent?

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

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

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

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

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

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

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