WAEC Agricultural Science Past Questions & Answers - Page 106

526.

The weight of a sheep increased from 25kg to 45kg in two months.

If the total consumption during the period was 60kg. Determine the feed conversion ratio

A.

1 : 1

B.

1 : 2

C.

3 : 1

D.

4 : 1

Correct answer is C

Feed Conversion Ratio (FCR)
= (Mass gained)/(Mass of feed)
= Mass Gained = 45kg – 25kg = 20kg
= Mass of feed = 60kg
= FCR = 20/60
= 1/3
= 1 : 3

527.

Soil water that is available for root absorption at field capacity is

A.

Capillary water

B.

Hygroscopic water

C.

Gravitational water

D.

superfluous water

Correct answer is A

No explanation has been provided for this answer.

528.

Which of the following insects transmits swollen shoot disease of cocoa?

A.

Stem borer

B.

Mealy bug

C.

White fly

D.

Scale insect

Correct answer is B

No explanation has been provided for this answer.

529.

Which of the following crops has a fibrous root system?

A.

cotton

B.

Coffee

C.

Cowpea

D.

Sugarcane

Correct answer is D

Option D is correct because monocotyledon plants all have fibrous root and sugar cane is a monocot.

530.

In animal production, newly-born rabbits are called

A.

Bunnies

B.

Kids

C.

Pouts

D.

Lambs

Correct answer is A

No explanation has been provided for this answer.