Biology questions and answers

Biology Questions and Answers

How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.

1,446.

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.

1,447.

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.

1,448.

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.

1,449.

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.

1,450.

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.