WAEC Agricultural Science Past Questions & Answers - Page 321

1,601.

Which of the following group of crops can be attacked by smut diseases?

A.

Sugarcane, maize and banana

B.

Rice, maize and guinea corn

C.

Guinea corn, sugarcanr and rubber

D.

Maize, guinea corn and yam

E.

Rubber, rice and guinea corn

Correct answer is B

No explanation has been provided for this answer.

1,602.

An effective way of ensuring built-in resistance to disease in calves is to

A.

Vaccinate calves at weaning

B.

Allow calves access to colostrum

C.

Ensure regular veterinary check-up

D.

Observe proper quarantine

E.

Give balance ration

Correct answer is B

No explanation has been provided for this answer.

1,603.

The most important pests of vegetable crops are

A.

Rodents

B.

Birds

C.

Nematodes

D.

Insects

E.

Reptiles

Correct answer is D

No explanation has been provided for this answer.

1,604.

The forest trees growing in the Sudan savanna zone of Nigeria include the following except

A.

Mahogany

B.

Baobab

C.

Shea butter

D.

Neem

E.

Eucalyptus

Correct answer is D

No explanation has been provided for this answer.

1,605.

The most important source of carbohydrate in livestock feed is

A.

Maize

B.

Guinea corn

C.

Sorghum

D.

Rice bran

E.

wheat bran

Correct answer is A

No explanation has been provided for this answer.