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.

4,141.

The mineral nutrient that easily gets leached out of the soil is

A.

phosphorus

B.

calcium

C.

magnesium

D.

nitrate

Correct answer is D

No explanation has been provided for this answer.

4,142.

The hepatic portal vein is unique because it 

A.

carries deoxygenated blood

B.

begins and ends with capillaries

C.

is the largest vein in mammals

D.

carries digested food

E.

is the shortest vein in mammals

Correct answer is D

No explanation has been provided for this answer.

4,143.

The mineral nutrient that is most bound to the soil is

A.

phosphorus

B.

calcium

C.

iron

D.

potassium

Correct answer is C

No explanation has been provided for this answer.

4,144.

A plant which has a horizontal underground stem is

A.

rhizome

B.

corm

C.

creeper

D.

tuber

E.

bulb

Correct answer is A

No explanation has been provided for this answer.

4,145.

Soil is said to be fertile if 

A.

It is black

B.

it can supply usable nutrients to plants

C.

the oxygen content is very high

D.

artificial manure is added to it

E.

it is not waterlogged

Correct answer is B

No explanation has been provided for this answer.