Year :
2021
Title :
Biology
Exam :
WASSCE/WAEC MAY/JUNE
Paper 1 | Objectives
41 - 50 of 50 Questions
| # | Question | Ans |
|---|---|---|
| 41. |
 The diagrams above are illustrations of types of comb found in domestic fowl. Study them and answer this question.Which factor is most likely responsible for the various types of comb? A. environment B. genetics C. physiology D. morphology |
B |
| 42. |
Which of the following statements about mitosis is not correct? A. chiasmata are not formed B. Bi-valents are not formed C. It does not lead to variation D. Four daughter cells are produced |
D |
| 43. |
A mixture of blood with antigen A and blood containing antibody a will? A. lead to agglutination B. facilitate dissolution of clot C. have no effect on blood composition D. change the blood group |
A |
| 44. |
Plants suitable for experiments in genetics must not A. produce numerous seeds within a short time B. have a small number of chromosomes C. have a relatively short life cycle D. produce one generation in a large period |
D |
| 45. |
Which of the following statements about sickle cell anaemia is correct? A. it is caused by sex-linked genes B. it is more common in males than in females C. two sickle cell carrier parents may have a sickling child D. it is caused by recessive genes |
C |
| 46. |
In humans, pointed eyebrows (B) is a dominant trait over smooth eyebrows (b). A student and the mother have smooth eyebrows while the father has pointed eyebrows. What is the genotype of the father? A. BB B. Bb C. bb D. BBbb Detailed SolutionThe father is heterogeneous pointed eyebrows Bb |
|
| 47. |
A woman with Rhesus negative blood group was advised not to marry a man with Rhesus positive blood group because A. it will hinder her from having blood transfusion from her husband B. it will result in sickness and probably death of the offspring C. her children may all resemble her husband D. it may affect her childbearing ability |
B |
| 48. |
Which of the following organisms exhibits division of labour? A. butterfly B. cockroach C. termite D. housefly |
C |
| 49. |
Natural selection arises as a result of? A. gene mutation B. change of habitat C. reduction in population D. climate change |
D |
| 50. |
Which of the following statements is not Lamarck's postulate on evolution? A. great changes in the environment result in corresponding changes in species B. frequently used organs become well developed while the ones not used become vestigial C. well developed acquired characters are inheritable D. survivors in a competitive community must have inherited useful traits |
D |
| 41. |
The diagrams above are illustrations of types of comb found in domestic fowl. Study them and answer this question.Which factor is most likely responsible for the various types of comb? A. environment B. genetics C. physiology D. morphology |
B |
| 42. |
Which of the following statements about mitosis is not correct? A. chiasmata are not formed B. Bi-valents are not formed C. It does not lead to variation D. Four daughter cells are produced |
D |
| 43. |
A mixture of blood with antigen A and blood containing antibody a will? A. lead to agglutination B. facilitate dissolution of clot C. have no effect on blood composition D. change the blood group |
A |
| 44. |
Plants suitable for experiments in genetics must not A. produce numerous seeds within a short time B. have a small number of chromosomes C. have a relatively short life cycle D. produce one generation in a large period |
D |
| 45. |
Which of the following statements about sickle cell anaemia is correct? A. it is caused by sex-linked genes B. it is more common in males than in females C. two sickle cell carrier parents may have a sickling child D. it is caused by recessive genes |
C |
| 46. |
In humans, pointed eyebrows (B) is a dominant trait over smooth eyebrows (b). A student and the mother have smooth eyebrows while the father has pointed eyebrows. What is the genotype of the father? A. BB B. Bb C. bb D. BBbb Detailed SolutionThe father is heterogeneous pointed eyebrows Bb |
|
| 47. |
A woman with Rhesus negative blood group was advised not to marry a man with Rhesus positive blood group because A. it will hinder her from having blood transfusion from her husband B. it will result in sickness and probably death of the offspring C. her children may all resemble her husband D. it may affect her childbearing ability |
B |
| 48. |
Which of the following organisms exhibits division of labour? A. butterfly B. cockroach C. termite D. housefly |
C |
| 49. |
Natural selection arises as a result of? A. gene mutation B. change of habitat C. reduction in population D. climate change |
D |
| 50. |
Which of the following statements is not Lamarck's postulate on evolution? A. great changes in the environment result in corresponding changes in species B. frequently used organs become well developed while the ones not used become vestigial C. well developed acquired characters are inheritable D. survivors in a competitive community must have inherited useful traits |
D |