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.

286.

Which of the following behaviours is correctly matched with the corresponding diseases?

A.

Smoking cigarette / Liver cirrhosis. Lung cancer, AIDS

B.

Having multiple sexual partners / liver cirrhosis, syphilis, AIDS.

C.

Living near dirty gutter / Lung cancer, syphilis, river blindness.

D.

Eating uncooked meat/dysentery, cholera. food poisoning.

Correct answer is D

No explanation has been provided for this answer.

287.

When a large number of organisms share limited resources, the result is

A.

mutualism

B.

extinction

C.

commensalism

D.

competition

Correct answer is D

No explanation has been provided for this answer.

288.

An association between living organisms in which one organism lives on and feeds at the expense of the other organism is known as

A.

mutualism

B.

commensalism

C.

parasitism

D.

predation

Correct answer is C

No explanation has been provided for this answer.

289.

Which of the following features is a characteristic of aquatic plants?

A.

multiple epidermis

B.

heavily lignified tissue

C.

finely divided leaves

D.

succulent stem

Correct answer is D

No explanation has been provided for this answer.

290.

The illustration below is a food chain.

Grass→grasshopper→domestic fowl→hawk

What would happen if the population of domestic fowl decreases?

A.

grasshoppers would decrease

B.

hawks would increase

C.

grasshoppers would increase

D.

grasses available to grasshoppers

Correct answer is C

No explanation has been provided for this answer.