JAMB Agricultural Science Past Questions & Answers - Page 44

216.

Which of the following is not an advantage of drip-irrigation?

A.

Fertilizer can be applied through the system

B.

There is reduction in the concentration of salt in the root zone

C.

The system operates on a much lower line pressure than sprinkler system

D.

Its efficiency on water distribution in steep slopes is poor

Correct answer is D

Drip-irrigation is poor when applied in a steep slope.It is suited for plain lands.

217.

The best control ensure for rinderpest disease in cattle is

A.

Sanitation

B.

Vaccination

C.

Use of antibiotics

D.

Eradication of infected stock

Correct answer is B

Rinderpest disease is a viral disease ,Virus don't die they only become inactive in a non living medium .So the best way to control it is vaccination.

218.

Which of the following characteristics is not correct of pigs?

A.

Prolific animals

B.

Efficient feed converters

C.

Source of meat

D.

Source of land

Correct answer is D

Pigs are animal ,Land is a free gift of nature.

219.

When a cockerel is castrated, it becomes a

A.

Broiler

B.

Cock

C.

Layer

D.

Capon

Correct answer is D

Capon is a castrated Cockerel ,this is done to increase it's meat yield.

220.

Daily management routines in poultry include the following except

A.

egg collection

B.

Debeaking

C.

Water and feed provision

D.

Health care

Correct answer is B

Debeaking, beak trimming (also spelt beak-trimming), or beak conditioning is the partial removal of the beak of poultry,