WAEC Agricultural Science Past Questions & Answers - Page 59

291.

Which of the following is not a breed of rabbits?

A.

New zealand white

B.

Land race

C.

Chincilla

D.

Californian white

Correct answer is B

New zealand white, Chinchilla and californian white are breed of rabbits.

292.

Fertilizers are applied to fishponds to serve as

A.

Bait for fish

B.

Food for fish

C.

Nutrients for plankton

D.

Water purifier

Correct answer is C

Fertilizers in fish farming are applied to fishponds to serve as nutrients for plankton. Choice C is correct.

293.

The process of mating in sheep is termed

A.

Treading

B.

Courting

C.

Tupping

D.

Servicing

Correct answer is C

The process of mating in sheep is termed tupping.

294.

In animal nutrition, iodine is essential for the production of

A.

Oxygen

B.

Thyrozine

C.

Insulin

D.

Progesterone

Correct answer is B

Iodine is essential for the production of thyroxine in animals.

295.

In poultry nutrition, the minerals that prevent the laying of thin-shelled eggs are

A.

Calcium and phosphorus

B.

Sodium and calcium

C.

Phosphorus and sodium

D.

Sulphur and phosphorus

Correct answer is A

The minerals that prevents the laying of thin-shelled eggs are calcium and phosphorus (Ca and P).
Thin-shelled eggs in poultry nutrition laid as a result of the deficiency of calcium and phosphorus. Therefore, choice A is correct.