Waec Biology 1992 Past Questions and Answers

Question 41:

• WAEC 1992

Which of the following diseases or disorders can be prevented by the application of the knowledge of heredity through marriage counseling ?

A. Sickle cell anaemia
B. Haemophilia
C. Diabetes mellitus
D. Colour blindness
E. River blindness

Question 42:

• WAEC 1992

Which of the following is a function of the chromosome?

A. Transmission of hereditary traits
B. Protein synthesis
C. Excretion
D. Energy production
E. Manufacture of enzyme

Question 43:

• WAEC 1992

Which of the following does not illustrate adaptation to the environment ?

A. Colour chanages by chameleon
B. Streamline shape of fishes
C. Light bones in birds
D. Development of big muscies by a weight lifter
E. Possession of fins by fishes

Question 44:

• WAEC 1992

The changing of colour by a chameleon to that of the environment is an example of

A. Adaptive radiation
B. Protective coloration
C. Courtship display
D. Display of body colour
E. Territorial behaviour

Question 45:

• WAEC 1992

The division of labour in social insects is an example of

A. Structural adaptation
B. Physiological adaptation
C. Commensalism
D. Behavioural adaptation
E. Hormonal influence