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.

4,161.

Normally any character shown by an organism is due to the effects of

A.

hormones and chromosomes

B.

chromosomes

C.

mutation

D.

hormones and genes

E.

genes and enviroment

Correct answer is E

No explanation has been provided for this answer.

4,162.

Accommodation of the human eye is best described as the

A.

ability to see distant objects

B.

movement of upper and lower eyelids

C.

focusing of near and distant objects

D.

changing of lens shape due to varying light intensities

E.

constant adjustment of the iris

Correct answer is C

No explanation has been provided for this answer.

4,163.

In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces

A.

alcohol

B.

oxygen

C.

carbon dioxide

D.

energy

E.

ethanol

Correct answer is C

No explanation has been provided for this answer.

4,164.

All the following are digestive enzymes except

A.

bile

B.

lipase

C.

maltase

D.

pepsin

E.

 ptyalin

Correct answer is A

No explanation has been provided for this answer.

4,165.

The two types of human tapeworm can be distinguished by the presence or absence of 

A.

scolex

B.

hook

C.

head

D.

sucker

E.

proglottis

Correct answer is B

No explanation has been provided for this answer.