Waec Biology 2013 Past Questions and Answers

Question 41:

• WAEC 2013

Which of the following statements is not a reason for conserving wildlife?

A. Attraction of tourists into the country
B. Serving as a source of food
C. Serving as a source of income
D. Increasing the amount of rainfall

Question 42:

• WAEC 2013

In genetics, linkages refer to the linking of genes of the

A. Same chromosomes
B. Different chromosomes
C. Same nucleus
D. Different nuclei

Question 43:

• WAEC 2013

A man's blood group is AB. What is the probability of the man giving birth to a child with blood group O?

A. 0%
B. 25%
C. 50%
D. 100%

Question 44:

• WAEC 2013

When a man who is Rh-positive marries a woman who is Rh-negative, there will be incidence of

A. Still births
B. Sicklers
C. Albinos
D. Living children

Question 45:

• WAEC 2013

The gene that is only located on X-choromosome is said to be

A. Expressed in females only
B. Defective
C. Sex-linked
D. Expressed in males only