Environmental Science MCQs

Question 1

Evaporation is a _________ process.

Accepted Answer

Heating

Answer

Cooling

Answer

Can't tell - it depends on the temperature

Answer

Both a and c

Question 2

Which country contains about 50% of the world's coal resources?

Accepted Answer

The former Soviet Union

Answer

United States

Answer

China

Answer

Canada

Question 3

What is Carcinogen?

Accepted Answer

Cancer causing agent

Answer

Drugs for curing infectious disease

Answer

Drugs used for curing cancer

Answer

Food colourants

Question 4

The Term Smog was introduced in 1905 by

Accepted Answer

Des Voeux

Answer

Hult

Answer

Canon

Answer

Le Chatelier

Question 5

The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere:

Accepted Answer

Ozone

Answer

Water vapor

Answer

Nitrous oxide

Answer

Carbon dioxide

Question 6

Atmospheric ozone layer which protect us from UV-B and C is getting depleted most by addition of

Accepted Answer

chlorofluorocarbon

Answer

carbon monoxide

Answer

carbon dioxide

Answer

sulpur dioxide

Question 7

Which of the following green house gases trap more heat?

Accepted Answer

Trifluoro methyl sulphurpentafluoride

Answer

Methane

Answer

Nitrous oxide

Answer

Carbon dioxide

Question 8

The most abundant gas in the stratosphere is:

Accepted Answer

Nitrogen (N2)

Answer

Oxygen (O2)

Answer

Carbon dioxide (CO2)

Answer

Ozone (O3)

Question 9

Acid rain mainly result from

Accepted Answer

Sulfur dioxide

Answer

Carbon dioxide

Answer

Carbon monoxide

Answer

Ammonia