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.

1,901.

The solid part of the ecosystem is referred to as the

A.

atmosphere

B.

hydrosphere

C.

biosphere

D.

lithosphere

Correct answer is D

No explanation has been provided for this answer.

1,902.

A tropical disease caused by Trypanosoma is

A.

sleeping sickness

B.

river blindness

C.

yellow fever

D.

malaria

Correct answer is A

No explanation has been provided for this answer.

1,903.

A pollutant that is biodegradable is

A.

crude oil

B.

heavy metals

C.

cellophane

D.

sewage

Correct answer is D

No explanation has been provided for this answer.

1,904.

The eye defect caused by the development of cloudy areas in the lenses is?

A.

presbyopia

B.

glaucoma

C.

cataract

D.

astigmatism

Correct answer is C

Most cataracts develop when aging or injury changes the tissue that makes up the eye's lens. Proteins and fibers in the lens begin to break down, causing vision to become hazy or cloudy. Some inherited genetic disorders that cause other health problems can increase your risk of cataracts.

1,905.

Oestrogen is a hormone that is synthesized in the

A.

ovaries

B.

testes

C.

anterior pituitary

D.

adrenal cortex

Correct answer is A

No explanation has been provided for this answer.