WAEC Agricultural Science Past Questions & Answers - Page 223

1,111.

A common means of aerating a fish pond is by stirring the water and

A.

Removing dead and decaying matter

B.

Adding water plants

C.

Adding cold water

D.

Pumping oxygen into the water

Correct answer is A

No explanation has been provided for this answer.

1,112.

The most effective method of controlling ectoparasites in farm animals is by regular

A.

Exposure of animals to sunlight

B.

Dipping of animals in a solution of pesticides

C.

Hand-picking of ectoparasites

D.

Isolation of infested animals

Correct answer is B

No explanation has been provided for this answer.

1,113.

Which of the following livestock endoparasites is a hermaphrodite?

A.

Liverfluke

B.

Trypanosome

C.

Tapeworm

D.

Roundworm

Correct answer is C

No explanation has been provided for this answer.

1,114.

The purpose of vaccination is to

A.

Treat parasites infestation

B.

Prevent disease infection

C.

Control parasites

D.

Treat diseases

Correct answer is B

No explanation has been provided for this answer.

1,115.

An animal infected by trypanosomiasis usually develops

A.

Bloat and diarhoea

B.

Sore legs and running nose

C.

Anaemia and swollen lymph gland

D.

Swollen legs and constipation

Correct answer is C

No explanation has been provided for this answer.