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.

386.

Use the list of insects below to answer the question below.

I. Cotton stainer    II. Honeybee     III. Termite       IV. Weevil

The insects whose activities are both beneficial and harmful to humans are

A.

I and II

B.

II and III

C.

II and IV

D.

III and IV

Correct answer is B

No explanation has been provided for this answer.

387.

The depletion of the ozone layer will result in the earth surface receiving more

A.

gamma rays

B.

infrared rays

C.

ultraviolet rays

D.

X-rays

Correct answer is C

No explanation has been provided for this answer.

388.

The position occupied by an organism in the food chain is the

A.

energy level

B.

niche

C.

trophic level

D.

biomass

Correct answer is C

No explanation has been provided for this answer.

389.

Soil with the finest texture is

A.

silt

B.

clay

C.

sand

D.

gravel

Correct answer is B

The soil with the finest texture is clay soil, while the soil with the coarsest texture is sand.

390.

The diagram below is an illustration of an ecological instrument. Study it an answer the question below.

When the instrument is in use, it is usually? 

A.

placed slightly above soil level

B.

placed on a table

C.

suspended in air

D.

suspended to moving water

Correct answer is A

No explanation has been provided for this answer.