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.

1,561.

Why poor soil is treated with lime is to increase the quantity of

A.

nitrogen

B.

phosphorus

C.

carbohydrates

D.

sulphur

Correct answer is A

No explanation has been provided for this answer.

1,562.

The amount of starch in a germinating seed decreases because the starch is used up

A.

for respiration and to build cells

B.

to build a cellulose cell wall

C.

to develop meristematic tissues

D.

to produce enzymes

Correct answer is A

No explanation has been provided for this answer.

1,563.

Older parts of plant roots do not normally absorb water because

A.

they lack xylem

B.

they have a small surface area

C.

the phloem is dead

D.

they lack root hairs

Correct answer is D

No explanation has been provided for this answer.

1,564.

An inferior ovary of a flower is situated

A.

below the floral parts

B.

above the floral parts

C.

at the same level with all the floral parts

D.

at the centre of the floral parts

Correct answer is A

No explanation has been provided for this answer.

1,565.

The following substances pass into the blood of the foetus from the mother's blood via the placenta except

A.

carbon dioxide

B.

glucose

C.

viruses

D.

antibodies

Correct answer is C

No explanation has been provided for this answer.