WAEC Agricultural Science Past Questions & Answers - Page 127

631.

A farmer who plants African Marigold between his crops has the intention of controlling

A.

Bacteria

B.

Viruses

C.

Fungi

D.

Nematodes

Correct answer is C

No explanation has been provided for this answer.

632.

Which of the following groups require winnowing during processing?

A.

Fruits

B.

Cereals

C.

Tubers

D.

Vegetables

Correct answer is B

No explanation has been provided for this answer.

633.

Which of the following factors should be considered when sowing seeds in the field? 
l. Time of sowing 
ll. Plant density 
III. Depth of sowing. 
lV. Method of sowing.

A.

l and ll only

B.

l, ll and lll only

C.

lll and IV only

D.

l, ll, lll and IV

Correct answer is D

No explanation has been provided for this answer.

634.

One disadvantage of vegetative propagation is that

A.

Fruits are small in size

B.

Viral diseases are transferred to offspring

C.

Plants are true to type

D.

Plants take a long time to mature

Correct answer is B

No explanation has been provided for this answer.

635.

Insect damage to crops takes the from of

A.

Chewing, grinding and sucking

B.

Grinding, piercing and chewing

C.

Piercing, sucking and grinding

D.

Chewing, sucking and piercing

Correct answer is D

No explanation has been provided for this answer.