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.

2,331.

What does the chemical composition of the genetic material of all living organisms consist of?

A.

Deoxyribonucleic acid

B.

Adenosine diphosphate

C.

Adenosine triphosphate

D.

follicle stimulating hormone

Correct answer is A

No explanation has been provided for this answer.

2,332.

The effective cells involved in sickle-cell anaemia disease are

A.

phagocytes

B.

lymphocytes

C.

erythrocytes

D.

thrombocytes

Correct answer is C

No explanation has been provided for this answer.

2,333.

Which of the following food substances turns bright red when warmed with suddan III solution

A.

Starch

B.

Reducing sugar

C.

Protein

D.

Fat

Correct answer is D

No explanation has been provided for this answer.

2,334.

The sudden change in a gene structure or chromosome number in an organism likely to cause an inheritable change in the phenotype is known as

A.

migration

B.

mutation

C.

mitosis

D.

meiosis

Correct answer is B

No explanation has been provided for this answer.

2,335.

A balanced meal for an adult person may consist of

A.

two pieces of chicken, four balls of bean cake, two eggs and two cups of tea with milk

B.

four slices of bread, one bowl of pap, two oranges and two bananas

C.

four slices of yam and stew, two pieces of beef, one cup of tea with milk and two oranges

D.

a plate of beans, two pieces of meat, two eggs, one cup of tea with milk and two oranges

Correct answer is C

No explanation has been provided for this answer.