WAEC Biology Past Questions & Answers - Page 169

841.

Which of the following groups of factors do the Agama lizards compete for?

I. Space
II. Food
III. Mates

A.

Space and food only

B.

Space and mates only

C.

Food and mates only

D.

Space, food and mates

Correct answer is D

No explanation has been provided for this answer.

842.

Which of the following associations can upset the balance of nature? 

A.

Epiphitism

B.

Parasitism

C.

Symbiosis

D.

Saprophytism

Correct answer is B

No explanation has been provided for this answer.

843.

The substances recycled in the soil by the activities of micro-organisms during the decay of dead organisms
are first utilized by the

A.

carnivores

B.

herbivores

C.

scavengers

D.

autotrophs

Correct answer is D

No explanation has been provided for this answer.

844.

Micro-organisms which break down dead organisms and absorb their contents are called

A.

decomposers

B.

consumers

C.

parasites

D.

commensals

Correct answer is A

No explanation has been provided for this answer.

845.

Which of the following is not promoted by high wind speed?

A.

Rill erosion

B.

Weathering of parent rock

C.

Breeding of plant

D.

Opening of stomata

Correct answer is C

No explanation has been provided for this answer.