JAMB Past Questions and Answers - Page 1450

7,246.

Which of the following is not a role of science and technology in agricultural development in Nigeria?

A.

Production of chemical fertilizers

B.

Pest and diseases control

C.

Harvesting, processing and packaging

D.

Poor transportation network

Correct answer is D

Poor transportation network or total lack of good roads makes distribution of produces to the market very difficult, and this leads to wastage

 

7,247.

The following are solutions to poor transportation network experienced by farmers except

A.

Construction of new roads to open up the rural areas

B.

Provision of motor vehicles, boats and trains to facilitate distribution of farm products

C.

Reduction in transportation cost to make such affordable to rural farmers

D.

Presence of bad roads

Correct answer is D

Presence of bad roads or total lack of good roads makes distribution of produces to the market very difficult, and this leads to wastage.

7,248.

The mating of unrelated individual animals within the same breed is called

A.

Out breeding

B.

In-breeding

C.

Line breeding

D.

Cross breeding

Correct answer is A

Out breeding is the mating of unrelated individual animals within the same breed.
Out breeding is the opposite of in-breeding. It produces offspring with greater vigour and productivity.

7,249.

Which of the followings is not an advantage of Introduction?

A.

It enhances greater productivity

B.

It leads to the absence of pests and diseases

C.

It may not perform maximally

D.

Breeds may perform better in terms of quality and quantity

Correct answer is C

Disadvantages of introduction is that it may not perform maximally while others are advantages of introduction.

7,250.

One of the followings is not a type of pond

A.

Metallic pond

B.

Earthen pond

C.

Concrete pond

D.

Plastic pond

Correct answer is A

It is a confined body of water where fishes are raised under controlled conditions. Fish can also be raised in plastics, fiber stars and wooden rafts.
There are three types of pond: Earthen pond, Concrete pond and Plastic pond.