WAEC Biology Past Questions & Answers - Page 69

341.

Which of the following statements is not associated with pyramids of energy?

A.

Efficiency of energy transfer between trophic levels can be studied

B.

Comparisons of pyramids for different ecosystems can be made

C.

More accurate comparisons of trophic levels

D.

Representation of numbers of organisms at different trophic levels

Correct answer is B

No explanation has been provided for this answer.

342.
343.

Which of the following groups of organisms do not have members that can be called autotrophs?

A.

Protists

B.

Mosses

C.

Chlorophyta

D.

Fungi

Correct answer is D

No explanation has been provided for this answer.

344.

Soil permeability refers to 

A.

how easily water passes through the soil

B.

the proportion of air in the soil

C.

the proportion of water the soil holds

D.

how well water rises up the soil

Correct answer is A

No explanation has been provided for this answer.

345.

Which of the following ecological factors will result in food shortage?

A.

Drought

B.

Low rate of reproduction

C.

Emigration

D.

Topography

Correct answer is A

No explanation has been provided for this answer.