Environmental Science MCQs

Question 1

The term "Biocoenosis" was proposed by

Accepted Answer

Carl Mobius

Answer

Transley

Answer

Warming

Answer

None of the above

Question 2

The best way to check soil erosion is by providing adequate trees and

Accepted Answer

Grass cover

Answer

Manure

Answer

Water

Answer

Sand

Question 3

_________ is a mixture of 50 - 90% of methane

Accepted Answer

Natural gas

Answer

Air

Answer

Water

Answer

Bio diesel

Question 4

The source of atmospheric oxygen is

Accepted Answer

Green Plants

Answer

Nitrogen cycle

Answer

Water

Answer

Carbon Cycle

Question 5

Which of the following type of pollution can cause the outbreak of jaundice

Accepted Answer

Water

Answer

Air

Answer

Thermal

Answer

Land

Question 6

India is primary centre of domestication of

Accepted Answer

Water Buffalo

Answer

Sheep

Answer

Goat

Answer

Elephants

Question 7

Which is an example for sedimentary biogeochemical cycle

Accepted Answer

Phosphorus cycle

Answer

Oxygen cycle

Answer

Nitrogen cycle

Answer

Water cycle

Question 8

Which of the following is not a reason why water warms and cools much more slowly than land?

Accepted Answer

Answer

Solar energy penetrates more deeply into water

Answer

Heat energy is mixed in a deeper layer of water

Answer

Water has a higher heat capacity

Answer

A portion of the solar energy that strikes water is used to evaporate it

Question 9

The gas that shows the most variation from place to place and from time to time in the lower atmosphere:

Accepted Answer

Water vapour (H2O)

Answer

Ozone (O3)

Answer

Carbon dioxide (CO2)

Answer

Methane (CH4)