WAEC Biology Past Questions & Answers - Page 263

1,311.

Soil factors in an ecosystem are referred to as

A.

topographic

B.

climatic

C.

biotic

D.

edaphic

Correct answer is D

No explanation has been provided for this answer.

1,312.

The secchi disc is used to measure

A.

 speed of flow of water

B.

specific gravity of water

C.

turbidity of water

D.

depth of water

Correct answer is C

No explanation has been provided for this answer.

1,313.

Which of the following is not a biotic factor?

A.

Parasites

B.

Predators

C.

Grazers

D.

Pressure

Correct answer is D

No explanation has been provided for this answer.

1,314.

Which of the following organisms can be found in fresh water habitat? 

A.

Sargassum and dog fish

B.

Red mangrove and pond skater

C.

Sargassum and red mangrove

D.

Spirogyra and pond skater

Correct answer is D

No explanation has been provided for this answer.

1,315.

Desert plants are usually called

A.

hydrophytes

B.

mesophytes

C.

xerophytes

D.

sporophytes

Correct answer is C

No explanation has been provided for this answer.