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.

1,571.

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.

1,572.

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.

1,573.

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.

1,574.

The inability of a human to maintain proper balance may be due to a defect in the

A.

cochlea

B.

Eustachian tube

C.

Semi-circular canals

D.

oval window

Correct answer is C

No explanation has been provided for this answer.

1,575.

Which of the following conditions in flowering plants enhance self-pollination?

A.

Cleistogamy

B.

Heterostyly

C.

Protandry

D.

Protogyny

Correct answer is A

No explanation has been provided for this answer.