WAEC Agricultural Science Past Questions & Answers - Page 103

512.

The main objective of establishing forest in the arid region is to

A.

Check desert encroachment

B.

Provide firewood for cooking

C.

Provide bush-meat

D.

Improve the beauty of the environment

Correct answer is A

No explanation has been provided for this answer.

513.

Corns, rhizomes and tubers are examples of

A.

Underground stems

B.

Underground roots

C.

Modified leaves

D.

Aerial stems

Correct answer is A

No explanation has been provided for this answer.

514.

The forest management system which involves the planting of both food crops and forest trees on the same piece of land at the same time is known as

A.

Selective exploitation

B.

Taungya

C.

Slips

D.

Cuttings

Correct answer is B

Taungya farming entails planting of food crops alongside forest trees.

 

515.

If T represents the gene for tallness while t represents dwarfness

The genotypic ratio of the second filial generation will be

A.

3 : 1

B.

1 : 2 : 1

C.

2 : 2

D.

4 : 0

Correct answer is A

No explanation has been provided for this answer.