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.

2,376.

Which of the following is responsible for the increased heart beat of a boy who saw a python? increased
production of 

A.

adrenalin

B.

insulin

C.

pituitrin

D.

thyroxin

Correct answer is A

No explanation has been provided for this answer.

2,377.

The organs constantly in touch with the liver are

A.

pancreas, colon and caecum

B.

duodenum and stomach

C.

illeum, stomach and colon

D.

stomach and gall bladder

Correct answer is D

No explanation has been provided for this answer.

2,378.

Which of the following conditions will cause a decrease in body temperature?

A.

increased metabolism

B.

Shivering

C.

Vasoconstriction of capillaries of the skin

D.

Relaxation of the erector muscles

Correct answer is D

No explanation has been provided for this answer.

2,379.

When a mammal respires anaerobically for a long time

A.

pyruvic acid is convened into acetyl COA

B.

more energy is released from fats in the body

C.

lactic acid accumulates in the muscles

D.

the Krebs cycle is fully completed

Correct answer is B

No explanation has been provided for this answer.

2,380.

Which of the following structures is not present in the vascular bundles of a dicot stem?

A.

Xylem

B.

Phloem

C.

lntra-fascicular cambium

D.

Inter-fascicular cambium

Correct answer is C

No explanation has been provided for this answer.