WAEC Agricultural Science Past Questions & Answers - Page 96

476.

The digestive function of the rumen in ruminant nutrition is enchanced by the

A.

Absorption of water

B.

Presence of micro organisms

C.

Absorption of food nutrients

D.

Retention of unwanted foreign materials

Correct answer is B

No explanation has been provided for this answer.

477.

The use of pathogens to control dodder weeds is a

A.

Physical method

B.

Mechanical method

C.

Biological method

D.

Cultural method

Correct answer is C

No explanation has been provided for this answer.

478.

Callosobruchus maculatus is a common pest of

A.

Sorghum

B.

Rice

C.

Maize

D.

Cowpea

Correct answer is D

No explanation has been provided for this answer.

479.

Piercing and sucking insect pests possess 

A.

Maxillae

B.

Mandibles

C.

Labrums

D.

Proboscis

Correct answer is D

No explanation has been provided for this answer.

480.

Viral disease of crops can best be controlled through

A.

Vector control

B.

Planting resistant varieties

C.

Spraying insecticides

D.

Sterilizing farm equipment

Correct answer is B

No explanation has been provided for this answer.