WAEC Agricultural Science Past Questions & Answers - Page 67

331.

A disadvantage of vegetative propagation is that

A.

Plants are true in type

B.

Fruits are small in size

C.

Plants take a long time to mature

D.

Diseases are easily transferred to offspring

Correct answer is D

No explanation has been provided for this answer.

332.

Hibiscus and croton are examples of

A.

Ground covers

B.

Hedge plants

C.

Lawn plants

D.

Avenue trees

Correct answer is B

No explanation has been provided for this answer.

333.

Ornamental plants are commonly used for the following purposes except

A.

For exterior decorations

B.

As sources of perfumes

C.

Provision of shade

D.

As bedding materials for animals

Correct answer is D

No explanation has been provided for this answer.

335.

One advantage of cross breeding is that the

A.

Offspring resemble the recessive parent

B.

Yield of the offspring may not be comparable to those of the parents

C.

Offspring performs better than the average of the parents

D.

Offspring cannot survive adverse environmental conditions

Correct answer is C

No explanation has been provided for this answer.