Year :
2011
Title :
Biology
Exam :
WASSCE/WAEC MAY/JUNE
Paper 1 | Objectives
51 - 59 of 59 Questions
| # | Question | Ans |
|---|---|---|
| 51. |
Differences in characteristics observed between individuals of the same species is known as A. trait B. phenotype C. mutation D. variation |
D |
| 52. |
Which of the following statements best describes protein synthesis? A. DNA is directly involved in translation B. translocation oft e ribosomes exposes a new codon for base pairing with an amino acid C. Each tRNA with a particular anticodon always carries a different protein in the process D. One amino acid is always carried by more than one |
A |
| 53. |
If a person has two alleles of the sickle cell anaemia gene, the person A. is a heterozygous carrier of the disease B. is immune to the disease and cannot pass it on to an offspring C. has the disease D. is probably of Asian ancestry |
C |
| 54. |
What is the probability? of a man of blood group AB married to a woman of blood group O producing a child of blood group O? A. 0% B. 25% C. 50% D. 75% |
A |
| 55. |
A man with blood group It IA IA is married to a woman with blood group IA IO. The blood group of their son is likely to be A. A B. O C. B D. AB |
A |
| 56. |
Natural selection is a consequence of A. distribution of organisms B. adverse conditions C. variation in organisms D. inbreeding |
B |
| 57. |
Which of the following components of Larmark’s theory of evolution is considered faulty? A. Individuals of the same species growing under different environmental conditions differ from each other B. Use of certain organs result in development of those parts C. Unused organs degenerate D. Changes that result in individuals of the same species are transmitted to offspring |
D |
| 58. |
A vestigial structure in humans is A. earlobe B. toe bone C. tail bone D. spleen |
C |
| 59. |
Adenine pairs with thymine because A. the two occur in the same nucleic acid B. one is a strong base and the other a weak base C. two purine bases easily pair up D. one is a purine base and the other a pyrimidine. |
D |
| 51. |
Differences in characteristics observed between individuals of the same species is known as A. trait B. phenotype C. mutation D. variation |
D |
| 52. |
Which of the following statements best describes protein synthesis? A. DNA is directly involved in translation B. translocation oft e ribosomes exposes a new codon for base pairing with an amino acid C. Each tRNA with a particular anticodon always carries a different protein in the process D. One amino acid is always carried by more than one |
A |
| 53. |
If a person has two alleles of the sickle cell anaemia gene, the person A. is a heterozygous carrier of the disease B. is immune to the disease and cannot pass it on to an offspring C. has the disease D. is probably of Asian ancestry |
C |
| 54. |
What is the probability? of a man of blood group AB married to a woman of blood group O producing a child of blood group O? A. 0% B. 25% C. 50% D. 75% |
A |
| 55. |
A man with blood group It IA IA is married to a woman with blood group IA IO. The blood group of their son is likely to be A. A B. O C. B D. AB |
A |
| 56. |
Natural selection is a consequence of A. distribution of organisms B. adverse conditions C. variation in organisms D. inbreeding |
B |
| 57. |
Which of the following components of Larmark’s theory of evolution is considered faulty? A. Individuals of the same species growing under different environmental conditions differ from each other B. Use of certain organs result in development of those parts C. Unused organs degenerate D. Changes that result in individuals of the same species are transmitted to offspring |
D |
| 58. |
A vestigial structure in humans is A. earlobe B. toe bone C. tail bone D. spleen |
C |
| 59. |
Adenine pairs with thymine because A. the two occur in the same nucleic acid B. one is a strong base and the other a weak base C. two purine bases easily pair up D. one is a purine base and the other a pyrimidine. |
D |