WAEC Biology Past Questions & Answers - Page 317

1,581.

Which of the following performs the same function as the contractile vacuole of a unicellular organism?

A.

Kidney

B.

Alimentary canal

C.

Liver

D.

Pancreas

E.

Bladder

Correct answer is A

No explanation has been provided for this answer.

1,582.

The morphological, physiological, and behavioural characteristics that enable an organism to survive in its environment is called

 

A.

heredity

B.

ecology

C.

competition

D.

adaptation

E.

variation

Correct answer is D

No explanation has been provided for this answer.

1,583.

Which of the following can cause desert encroachment?

A.

Afforestation

B.

Irrigation

C.

Planting trees

D.

Establishing game reserves

E.

Overgrazing

Correct answer is E

No explanation has been provided for this answer.

1,584.

The branch of science which deals with resemblances, origin and expression of biological variations is called

A.

embryology

B.

ecology

C.

entomology

D.

genetics

E.

taxonomy

Correct answer is D

No explanation has been provided for this answer.

1,585.

Which of the following blood group(s) is/are the universal donor(s)

A.

O

B.

A

C.

B

D.

A, B

E.

A, B, and O

Correct answer is A

No explanation has been provided for this answer.