WAEC Biology Past Questions & Answers - Page 123

611.

Which of the following features enables the tapeworm to live successfully in the small intestine of human?

A.

Hook and suckers for strong attachment

B.

Along neck for forming young proglottis

C.

The absence of segmentation and appendages

D.

Possession of flame cells for excretion

Correct answer is A

No explanation has been provided for this answer.

613.

An importance of food web is that living organisms 

A.

use web to collect food

B.

can live on their own

C.

have to form a web

D.

depend on one another for their existence

Correct answer is D

No explanation has been provided for this answer.

614.

Conservation of soil fertility employs crop rotation because

A.

crops are allowed to grow at their own rates

B.

it encourages the healthy growth of plants

C.

it allows utilization of soil nutrients at different levels

D.

different crops grow at the same time

Correct answer is C

No explanation has been provided for this answer.

615.

Which of the following is not essential in the studying of the ecological factors that directly affect plants?

A.

wind

B.

temperature

C.

herbivores

D.

carnivores

Correct answer is D

No explanation has been provided for this answer.