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.

1,731.

The bones of the legs of a six years old boy are observed to be weak and crooked. Which of the following elements were deficient in his mother’s diet at pregnancy?

A.

Sodium and iron

B.

Iron and manganese

C.

Calcium and phosphorus

D.

Magnesium and sulphur

Correct answer is C

No explanation has been provided for this answer.

1,732.

Excess carbohydrates can be stored in the muscles in the form

A.

cellulose

B.

glycogen

C.

chitin

D.

lipids

Correct answer is B

No explanation has been provided for this answer.

1,733.

The purpose of proteins in the diet of a mammal is to

A.

promote growth and repair cells

B.

break down molecules

C.

regulate the flow of chyme

D.

serve as co-factors or enzymes

Correct answer is A

No explanation has been provided for this answer.

1,734.

Which of the following substances must be present in the soil for growth of a healthy green plant? 

A.

Amino acids

B.

Carbon

C.

Glucose salts

D.

Magnesium ions

Correct answer is D

No explanation has been provided for this answer.

1,735.

What is the benefit of thunder and lightning to farmers?

A.

Addition of nitrates to the soil

B.

Aeration of the soil

C.

Removal of harmful bacteria from the soil

D.

Addition of rain water to the soil

Correct answer is A

No explanation has been provided for this answer.