WAEC Agricultural Science Past Questions & Answers - Page 104

516.

Poaching is prohibited in game reserves to

A.

Reduce wildlife population

B.

Conserve wildlife

C.

Starve hunters

D.

Protect hunters from wild animals

Correct answer is B

Poaching is the illegal hunting of wildlife or indiscriminate killing of wildlife.

 

517.

Which of the following groups of rocks is formed as a result of volcanic eruption?

A.

Limestone, basalt and shale

B.

Basalt, granite and pumice

C.

Sandstone, granite and quartzite

D.

Marble, gneiss and shale

Correct answer is B

No explanation has been provided for this answer.

518.

The following are advantages of sub-surface irrigation except that

A.

It is suitable for soils with low water holding capacity

B.

It can be used only for specific types of crops

C.

The rate of evaporation is greatly reduced

D.

It reduces the incidence of pests

Correct answer is D

No explanation has been provided for this answer.

519.

Crop rotation decreases the incidence of pests by

A.

Breaking life cycles of pests

B.

Attracting pest predators

C.

Sterilizing the soil

D.

Maintaining soil fertility

Correct answer is A

No explanation has been provided for this answer.

520.

Tomatoes are staked in order to

A.

Accelerate their growth

B.

Induce flowering

C.

Accelerate fruit ripening

D.

Prevents rotting of fruits

Correct answer is A

No explanation has been provided for this answer.