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.

3,841.

The main function of blood in mammals is to transport

A.

excretory materials from tissues

B.

carbondioxide from lungs to tissues

C.

digested food from all the body tissues

D.

oxygen to the lungs

Correct answer is A

No explanation has been provided for this answer.

3,842.

The end products of the digestion of fats and oils in mammals are

A.

maltose and fatty acid

B.

amino acids and glucose

C.

fatty acid and fructose

D.

fatty acids and glycerin

Correct answer is D

No explanation has been provided for this answer.

3,843.

Osmic acid boiled with a solution of food substance gave a black precipitate. This indicates the presence of

A.

fats and oil

B.

proteins

C.

amino acids

D.

starch

Correct answer is A

No explanation has been provided for this answer.

3,844.

interveinal chlorosis is normally associated with the deficiency of

A.

magnesium

B.

potassium

C.

iron

D.

calcium

Correct answer is A

No explanation has been provided for this answer.

3,845.

Manufactured food in the plant is transported through the

A.

xylem

B.

phloem

C.

cambium

D.

cortex

Correct answer is B

No explanation has been provided for this answer.