JAMB Past Questions and Answers - Page 1449

7,241.

The following are advantages of using disc plough over mouldboard plough in West Africa except

A.

Disc plough makes deeper cuts than mouldboard plough

B.

Disc plough buries weeds more completely than mouldboard plough

C.

The disc plough is designed to roll over stumps and obstacles which may easily damage the edges of mouldboard plough

D.

Mouldboard plough makes deeper cuts than disc plough

Correct answer is D

Mouldboard plough makes deeper cuts than disc plough is not one of the advantages of using disc plough over mouldboard plough.

7,242.

Which of the following is not a component of an incubator?

A.

Electric heater

B.

Temperature

C.

Thermostat

D.

Insulator

Correct answer is B

Temperature is the degree of hotness or coldness of a body

7,243.

Bulldozer is used for the following purpose except

A.

Bush clearing

B.

Felling trees and stumps

C.

Leveling the ground

D.

Planting of trees

Correct answer is D

Bulldozer has tract-type metal chains, used for its movement in bush clearing, felling trees and stumps, leveling the ground except planting of trees.

7,244.

Bulldozers are powerful tractors and expensive machines with a

A.

Broad steel blade

B.

Narrow steel blade

C.

Tiny steel blade

D.

Small steel blade

Correct answer is A

Bulldozers are powerful tractors and expensive machines with a broad steel blade or sheet at the front.

 

7,245.

The major factors affecting the application of science and technology to Nigeria agriculture include the following except

A.

Unavailability of fund

B.

Unavailability of farmland

C.

Unwillingness of farmer to adopt scientific method

D.

Availability of fund

Correct answer is D

Availability of fund is not a major factor affecting the application of science and technology to Nigeria agriculture.