WAEC Biology Past Questions & Answers - Page 136

676.

After fertilization in the flowering plants, the zygote develops into the

A.

plumule

B.

radicle

C.

cotyledon

D.

embryo

Correct answer is D

No explanation has been provided for this answer.

677.

In flowering plants, fertilization would occur when

A.

the pollen grows downwards penetrating the style

B.

a pollen grain is transferred to the stigma

C.

one of the nuclei inside the pollen tube fuses with the ovum

D.

the nucleus of the pollen tube divides

Correct answer is C

No explanation has been provided for this answer.

678.

Which of the following is not an example of entomophilous flower?

A.

Hibiscus

B.

Flamboyant

C.

Guinea grass

D.

AlIamanda

Correct answer is C

No explanation has been provided for this answer.

679.

When a person moves from a darkroom into bright light, the pupil becomes

A.

red

B.

larger

C.

white

D.

smaller

Correct answer is D

No explanation has been provided for this answer.

680.

The structure of the ear that is responsible for balancing is the

A.

semi-circular carnals

B.

pinna

C.

auditory nerve

D.

fenestra ovalis

Correct answer is A

No explanation has been provided for this answer.