WAEC Biology Past Questions & Answers - Page 355

1,771.

Terrestrial organisms that are capable of maintaining their body temperature constant within fairly close
limits are referred to as

A.

thermoclines

B.

homotherms

C.

poikilotherms

D.

eurytherms

E.

stenotherms

Correct answer is B

No explanation has been provided for this answer.

1,772.

Which of the following is not a characteristic feature of a tropical rain-forest habitat?

A.

Trees with longer boles than those in Savannah

B.

Fewer canopy strata than the savannah

C.

Many more trees and climbers than savannah

D.

Plenty leaves litter the ground

E.

More diverse communities than the savannah

Correct answer is B

No explanation has been provided for this answer.

1,773.

Which of the following does not contribute to the biomass in an ecosystem?

A.

Producers

B.

Food chains

C.

Consumers

D.

Micro-organisms

E.

Saprophytes

Correct answer is B

No explanation has been provided for this answer.

1,774.

Which of the following is not classified as a terrestrial habitat?

A.

Forest

B.

Guinea Savannah

C.

Afro Alpine

D.

Littoral zone

E.

Desert

Correct answer is D

No explanation has been provided for this answer.

1,775.

Autotropic nutrition may be defined in terms of food obtained

A.

from other organisms in exchange for some products

B.

by the breakdown of complex substances

C.

by an organism utilizing its own store of energy

D.

by synthesizing simple substances using energy from an external source

E.

in a synthesized form from other living organism

Correct answer is D

No explanation has been provided for this answer.