Environmental Science MCQs

Question 1

The word Biophilia was coined by

Accepted Answer

E O Wilson

Answer

Dr. Hackel

Answer

Dr.Johanssen

Answer

Dr. Benjamine

Question 2

Which of the following is the most responsible for world water crisis?

Accepted Answer

Drought

Answer

Dams

Answer

Floods

Answer

Population growth

Question 3

An important reason for the large daily temperature range over deserts is:

Accepted Answer

There is little water vapor in the air to absorb and re-radiate infrared radiation

Answer

The light-colored sand radiates heat very rapidly at night

Answer

Dry air is a very poor heat conductor

Answer

Free convection cells are unable to form above the hot desert ground

Question 4

The formula of growth rate for population in given time is

Accepted Answer

dN/dt=rN

Answer

dt/dN=rN

Answer

dt/rN=dN

Answer

dt/rN=dt

Question 5

Air is composed of gases, water vapours and

Accepted Answer

dust particles

Answer

rainfall

Answer

snowfall

Answer

light

Question 6

Which of the following is a biodiversity hot spots in India?

Accepted Answer

Western Ghats

Answer

Nandadevi

Answer

Eastern Ghats

Answer

Aravalli

Question 7

Temperate forests occur in India in

Accepted Answer

Himalayas

Answer

Indo-gangetic plains

Answer

Eastern India

Answer

Southern peninsula

Question 8

The unit of total water content of the soil is known as

Accepted Answer

Holard

Answer

Chraserd

Answer

Echard

Answer

All of the above

Question 9

The unfavourable alteration of environment due to human activities is termed as

Accepted Answer

pollution

Answer

ecological disturbance

Answer

catastrophe

Answer

ecological degradation