WAEC Biology Past Questions & Answers - Page 99

491.

The set- up above is used to demonstrate 

A.

plasmolysis

B.

osmosis

C.

suction pressure

D.

fermentation

E.

diffusion

Correct answer is D

No explanation has been provided for this answer.

492.

The part labelled IV in the diagram is the

A.

phloem

B.

pericycle

C.

cortex

D.

xylem

E.

epidermis

Correct answer is D

No explanation has been provided for this answer.

493.

The part labelled II in the diagram is the

A.

epidermis

B.

cortex

C.

phloem

D.

xylem

E.

cuticle

Correct answer is B

No explanation has been provided for this answer.

494.

The above diagram represents a

A.

longitudinal section of a stem

B.

longitudinal section of a root

C.

cross section of a root

D.

transverse section of stem

E.

longitudinal section of a leaf

Correct answer is C

No explanation has been provided for this answer.

495.

The eye defect represented in the diagram is?

A.

myopia

B.

hypermetropia

C.

presbyopia

D.

astigmatism

E.

conjuctivitis

Correct answer is A

Nearsightedness (myopia) is a common vision condition in which near objects appear clear, but objects farther away look blurry.

 Light focuses in front of, instead of on, the retina.