WAEC Biology Past Questions & Answers - Page 227

1,131.

In commensalism

A.

one of the organisms gains and the other loses

B.

both organisms benefit from the association

C.

one of the organisms gains while the other neither gains nor loses

D.

one of the organisms produces extra cellular Digestive juices

Correct answer is C

No explanation has been provided for this answer.

1,132.

Which of the following statements is not true of the worker termite? They

A.

Build and repair nest

B.

produce enzymes to digest cellulose

C.

search for food to feed the colony

D.

look after the nymph

Correct answer is B

No explanation has been provided for this answer.

1,133.

Which of the following is not released during decay of living matter?

A.

Ammonia

B.

Oxygen

C.

Carbon dioxide

D.

Heat energy

Correct answer is B

No explanation has been provided for this answer.

1,134.

If red is dominant to white and homozygous red pea-plants are crossed with homozygous white pea-plants, the first filial generation will have

A.

red flowers, 2 white flowers

B.

4 red flowers

C.

white flowers

D.

4 pink flowers

Correct answer is B

No explanation has been provided for this answer.

1,135.

Which of the following organisms will not bring about decomposition?

A.

Earthworm

B.

Bactenum

C.

Mould

D.

Spirogyra

Correct answer is D

No explanation has been provided for this answer.