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.

3,306.

One basic similarity between the nervous and endocrine systems is that they both

A.

produce widespread effects

B.

transmit very fast impulses

C.

involve the use of chemical substances

D.

produce precise and short-lived effect

Correct answer is C

No explanation has been provided for this answer.

3,307.

An increase in air pressure in the lungs is due to the

A.

increase in the volume of the thoracic cavity

B.

upward movement of the ribs

C.

relaxation of the diaphragm

D.

contraction of the intercostal muscles

Correct answer is C

No explanation has been provided for this answer.

3,308.

The product of excretion common to the mammalian kidney, lung, and skin is

A.

mineral salt

B.

carbon (IV) oxide

C.

water

D.

urea

Correct answer is C

No explanation has been provided for this answer.

3,309.

Night-blindness results from a deficiency of

A.

vitamin E

B.

Vitamin A

C.

Vitamin K

D.

Vitamin C

Correct answer is B

No explanation has been provided for this answer.

3,310.

An evidence of a common ancestor for fishes, amphibians, reptiles, birds, and mammals is the

A.

possession of wings by birds and bats

B.

cold-bloodedness of fishes, amphibians and reptile

C.

presence of gill clefts in vertebrate embryos

D.

possession of scale by fish and reptiles

Correct answer is C

No explanation has been provided for this answer.