Environmental Science MCQs

Question 1

Exponential growth occurs when there is

Accepted Answer

No environmental resistance

Answer

A great environmental resistance

Answer

No biotic potential

Answer

A fixed carrying capacity

Question 2

An increase in albedo would be accompanied by ____ in radiative equilibrium temperature.

Accepted Answer

A decrease

Answer

An increase

Answer

No change

Answer

Unstable oscillations

Question 3

Many wild plant and animals are on the verge of extinction due to

Accepted Answer

Habitat destruction

Answer

Climatic changes

Answer

Non availability of food

Answer

None of the above

Question 4

Most harmful environmental pollutants are

Accepted Answer

non-biodegradable chemicals

Answer

natural nutrients in excess

Answer

human organic wastes

Answer

waste animal feed

Question 5

The destruction of the forest areas by man made efforts is called

Accepted Answer

Deforestation

Answer

Afforestation

Answer

Non-forestation

Answer

Bio forestation

Question 6

More solar radiation is received at the:

Accepted Answer

Top of the atmosphere

Answer

Earth

Answer

North and south poles

Answer

None of the above

Question 7

In the northern hemisphere, a solar panel should be placed on the side of the roof facing:

Accepted Answer

South

Answer

East

Answer

West

Answer

North

Question 8

Nitrogen fixing blue green algae is

Accepted Answer

Nostoc

Answer

Clostridium

Answer

Rhizobium

Answer

Nitrosomonas

Question 9

Area X represents

Accepted Answer

coal

Answer

solar

Answer

nuclear

Answer

oil