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.

3,891.

Which of the following lists of diseases, their causes and transmission is CORRECT?

A.

Cholera, virus, severe diarrhoea, infected water

B.

Malaria, protozoan, high fever, contact with infected person

C.

Syphilis, virus, veneral disease, sexual intercourse

D.

small pox, virus, skin with blister, close contact with infected person

E.

 Sleeping sickness, bacteria, tiredness, headache and dozing, tsetsefly bite

Correct answer is D

No explanation has been provided for this answer.

3,892.

Which of the following groups of factors is completely abiotic?

A.

Salinity, tide, plankton, turbidity

B.

Temperaure, pH, soil, insect

C.

 Wind, altitude, humidity, light

D.

Conifers, wind, pH, rainfall

E.

Soil, water, bacteria, salinity

Correct answer is C

No explanation has been provided for this answer.

3,893.

Which of the following is NOT regarded as a pollutant on land or in the air?

A.

smoke

B.

noise

C.

sulphur (IV) oxide

D.

carbon monoxide

E.

 nitrogen

Correct answer is E

No explanation has been provided for this answer.

3,894.

An anemometer is an instrument for measuring

A.

relative humidity

B.

 altitude

C.

wind speed

D.

turbidity

E.

salinity

Correct answer is C

No explanation has been provided for this answer.

3,895.

Green plants are important in the ecosystem because they are 

A.

primary consumers

B.

producers

C.

decomposers

D.

secondary consumers

E.

scavengers

Correct answer is B

No explanation has been provided for this answer.