WAEC Biology Past Questions & Answers - Page 107

531.

Which of the following organisms is well adapted for fluid feeding?

A.

Cockroach

B.

Mosquito

C.

Grasshopper

D.

Ants

Correct answer is B

No explanation has been provided for this answer.

532.

Which of the following processes does not contribute to the maintenance of the nitrogen content of the soil?

A.

Decomposition

B.

Denitrification

C.

Nitrification

D.

Nitrogen fixation

Correct answer is B

No explanation has been provided for this answer.

533.

In an ecosystem the organism which changes light energy into stored chemical energy is the

A.

consumer

B.

decomposer

C.

producer

D.

carnivore

Correct answer is C

No explanation has been provided for this answer.

534.

Which of the following instruments is used to measure the speed of a stream?

A.

Simple float

B.

Secchi disc

C.

Quadrat frame

D.

Rain gauge

Correct answer is A

No explanation has been provided for this answer.

535.

A stable self-sustaining environment produced by an interaction between the biotic and abiotic components is best described as

A.

a niche

B.

a community

C.

an ecosystem

D.

a habitat

Correct answer is C

No explanation has been provided for this answer.