WAEC Biology Past Questions & Answers - Page 100

496.

Which of the following heart structures is best adapted to cope with double circulation? 

A.

One auricle and one ventricle

B.

Two auricles and one ventricle

C.

Two auricles and partially divided ventricle

D.

Two auricles and two ventricles

Correct answer is D

No explanation has been provided for this answer.

497.

Support in young herbaceous plants is provided by

A.

translocation

B.

guttation

C.

turgidity

D.

osmosis

Correct answer is C

No explanation has been provided for this answer.

498.

The aspects of growth in living organisms include all the following processes except

A.

increase in dry weight

B.

reversible increase in size

C.

irreversible increase in length

D.

increase in number of cells

Correct answer is B

No explanation has been provided for this answer.

499.

Which of the following processes does not contribute towards growth?

A.

Cell division

B.

Cell enlargement

C.

Cell differentiation

D.

Cell plasmolysis

Correct answer is D

No explanation has been provided for this answer.

500.

Which of the following environmental conditions is ideal for plant cells to remain turgid?

A.

Hot, dry weather

B.

Windy weather

C.

Cold, dry weather

D.

Cool, humid weather

Correct answer is D

No explanation has been provided for this answer.