WAEC Biology Past Questions & Answers - Page 118

586.

Which of the following conditions in flowering plants enhance self-pollination?

A.

Cleistogamy

B.

Heterostyly

C.

Protandry

D.

Protogyny

Correct answer is A

No explanation has been provided for this answer.

587.

The legs of an accident victim with a fractured vertebral column and injured spinal cord could not be raised because

A.

impulses from receptors in the legs cannot travel to the brain

B.

impulses from the brain cannot travel to the legs

C.

chemical substances will be released at synapses in the central nervous system

D.

reflex actions cannot take place in the legs

Correct answer is A

No explanation has been provided for this answer.

588.

Which of the following processes is not a function of the mammalian skin?

A.

Body temperature regulation

B.

Reception of external stimuli

C.

Excretion

D.

Gaseous exchange

Correct answer is D

No explanation has been provided for this answer.

589.

Which of the following statements about asexual reproduction is correct? It

A.

always involves one parent but the offspring is genetically different from the parent

B.

may involve two parents but the offspring is always identical to one parent

C.

always involves one parent and the offspring is genetically identical to the parent

D.

involves two parents but the offspring is not genetically identical to any of the parents

Correct answer is C

No explanation has been provided for this answer.