Noted environmentalist Sunder Lal Bahuguna died on 21st May 2021. His name is associated with:
1. Narmada Bachao movement
2. Bishnoi movement
3. Chipko movement
4. Silent valley movement

''Good ozone'' is found in the:
1. Ionosphere
2. Mesosphere
3. Troposphere
4. Stratosphere

Ozone can be destroyed by a number of free radical catalysts; the most important are:
I. OH^-
II. NO^-
III. Cl^-
IV. Br^-

Of these, human activity has drastically increased the levels of:
1. Only III
2. Only III and IV
3. Only I and II
4. I, II, III and IV

The relative contribution of the various greenhouse gases [in correct descending order, maximum contributor first] to total global warming is:
1. Carbon dioxide – Methane – Chlorofluorocarbons – Nitrous oxide
2. Carbon dioxide – Methane –Nitrous oxide – Chlorofluorocarbons
3. Methane – Carbon dioxide – Chlorofluorocarbons – Nitrous oxide
4. Methane – Carbon dioxide –Nitrous oxide – Chlorofluorocarbons

The COP 26 is scheduled to be held in:
1. Brazil
2. Chile
3. Spain
4. United Kingdom

Which of the following is an innovative remedy for plastic waste?

1. Burning in the absence of oxygen

2. Burying 500 m deep below the soil surface

3. Polyblend

4. Electrostatic precipitator

Which of the following pairs of gases is mainly responsible for green house effect?

1. Carbon dioxide and methane

2. Ozone and Ammonia

3. Oxygen and Nitrogen

4. Nitrogen and Sulphur dioxide

Assertion: Temperatures have increased about twice as fast in the Arctic as in the mid-latitudes, a phenomenon known as “Arctic amplification.”
Reason: The loss of sea ice is one of the most important reasons for this.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

Assertion: In the past 30-40 years global average land temperatures have increased about twice as fast as global average ocean temperatures.
Reason: Oceans have a large heat capacity and lose more heat by evaporation.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

“Greenpeace” is a non-governmental environmental organization with headquarters in:
1. Geneva, Switzerland
2. Paris, France
3. Amsterdam, Netherlands
4. Nuuk, Greenland