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.

3,261.

Stunted growth and poor root development are a result of a deficiency in

A.

sulphur

B.

phosphorus

C.

calcium

D.

iron

Correct answer is C

No explanation has been provided for this answer.

3,262.

The opening and closing of the stomata are regulated by

A.

transpiration

B.

respiration

C.

diffusion

D.

osmosis

Correct answer is D

No explanation has been provided for this answer.

3,263.

Monocot stems differ from dicot stems in that monocots have

A.

no cambium

B.

no pith

C.

fewer vascular bundles

D.

phloems with parenchyma

Correct answer is A

No explanation has been provided for this answer.

3,264.

The photosynthetic pigments include

A.

chlorophyll and carotenoids

B.

chloroplasts and cytochromes

C.

melanin and haemoglobin

D.

carotenoids and haemoglobin

Correct answer is A

No explanation has been provided for this answer.

3,265.

In mammals, the organ directly atop the kidney is the

A.

thyroid gland

B.

adrenal grand

C.

pancreas

D.

prostate gland

Correct answer is B

No explanation has been provided for this answer.