WAEC Agricultural Science Past Questions & Answers - Page 337

1,681.

Air sacs are present in

A.

Poultry

B.

Cattle

C.

Rabbit

D.

Goat

E.

Sheep

Correct answer is A

No explanation has been provided for this answer.

1,682.

The fertility of the soil is an important factor in the selection of site for a fish pond because a fertile soil will

A.

Encourage the growth of trees within the pond

B.

Stimulate growth of lower plants which are sources of food to fish

C.

Add minerals to the water for the fishes resistance to diseases

D.

Prevent the pond from drying up

E.

Lower the temperature of pond water for the survival of fish

Correct answer is B

No explanation has been provided for this answer.

1,683.

The female sex hormone that is responsible for oestrus in farm animal is called

A.

Prolactin

B.

Progesterone

C.

Oxytocin

D.

Oestrogen

E.

Androgen

Correct answer is D

No explanation has been provided for this answer.

1,684.

Blackarm is a bacterial disease of

A.

Rice

B.

Cotton

C.

Citrus

D.

Cocoa

E.

Tobacco

Correct answer is B

No explanation has been provided for this answer.

1,685.

The mesocrap of an oil palm fruit is

A.

Nut

B.

Kernel

C.

Shell

D.

Seed

E.

Pulp

Correct answer is E

No explanation has been provided for this answer.