WAEC Agricultural Science Past Questions & Answers - Page 93

461.

Which of the following developments could result from deforestation?

A.

Increase in soil erosion

B.

Increase in soil Ph

C.

Decrease in soil temperature

D.

Decrease in soil Prosity

Correct answer is A

No explanation has been provided for this answer.

462.

The effect of fertilizing a fish pond with compost manure on phytoplankton population and fish yield is such that

A.

Phytoplankton population decreases as fish yield drecreases

B.

Phytoplankton population decreases while fish yield increases

C.

Phytoplankton population increases while fish yield drecreases

D.

Phytoplankton population increases as a fish yield increases

Correct answer is B

No explanation has been provided for this answer.

463.

The term fingerling refers to a young

A.

Rabbit

B.

Fish

C.

Goat

D.

Turkey

Correct answer is B

No explanation has been provided for this answer.

464.

Which of the following methods is inapropriate when introducing a new variety of rice farmers?

A.

Farmers' cooperarive society

B.

Circular letters

C.

Demonstrations

D.

Field trips

Correct answer is B

No explanation has been provided for this answer.

465.