MCQ on Environmental Science || Global Warming Potential (GWP) & Lifetime of Green House Gases

1. Air Quality Index (AQI) keeps a tab on major air pollutants in the atmosphere such as: 1. Sulphur Dioxide 2. Ammonia 3. Lead 4. Ground level ozone

A) 1, 3 & 4 only

B) 1, 2 & 3 only

C) 2, 3 & 4 only

D) All the above

2. The highly persistent and toxic organic chemicals branded as the 12 dirty dozen.

Identify the correct examples of the dirty dozen from the given options.

A) Benzene hexa chloride and endosulfan

B) Phorate & endosulfan

C) Heptachlor and polychlorinated biphenyls

D) Baygon and toxaphene

MCQ on Environmental Science ||

3. Select the correctly matched pairs in terms of Global Warming Potential (GWP) & Lifetime of Green House Gases

Lifetime (years)

Lifetime (years)

Lifetime (years)

1.Methane (CH4)

310 

120

2.Nitrous oxide (N2O)

21

12

3.Perfluorocarbons

6,500-9,200

800-50,000

4.Sulphur hexafluoride

23,900

3,200

A) 1, 2 & 3 only B) 2, 3 & 4 only C) 1, 3 & 4 only D) 3 & 4 only

4. What is Kigali Amendment which is recently ratified by the Government of India?

A) On phasing down climate-damaging refrigerant Hydrofluorocarbons

B) Global conventions on carbon dioxide emission reduction/limitation

C) On noise pollution – occupational hazards

D) Phase out heavy metal pollution & biocide residues

 

5. What is meant by Black Rain?

A) Debris and soot from the destroyed buildings in Hiroshima mixed with the radioactive fallout from the bomb, rose high into the atmosphere in the form of a mushroom cloud.

B) Soot and black carbon rose high into the atmosphere mixed with water vapour

C) Asiatic cloud formation due to the release of aerosols formed in the combustion of fossil fuels and biomass

D) Soot and black carbon deposits in glaciers reduce albedo effect

 

6. Which among the following is / are consequences, when an aquatic ecosystem such as a lake experiences an increase in nutrients?

1. The Population of most species of fish will increase

2. The Biological Oxygen Demand of the lake water would decrease

3. The biomass of phytoplankton will increase

A) 1 & 2 only B) 2 only C) 3 only D) 1, 2 & 3


7. Which of the following is/are statutory body/bodies?

1. Central Pollution Control Board (CPCB)

2. National Biodiversity Authority (NBA)

3. Animal Welfare Board of India

A) 2 & 3 only B) 1& 2 only C) 1 & 3 only D) 1, 2 & 3


8. Observe the following statements and identify the national park:

1. It is located on the International border between India and Myanmar (Burma) in Changlang district, in northeast India.

2. The largest national park in India

3. It abode the endangered snow leopards, clouded leopards, red pandas and red fox

4. It occupies the junction of two Biogeographic regions the Indian Sub-Continent and the Indo-China Biogeographic Region

A) Mouling National Park

B) Namdapha National Park

C) Khangchendzonga National Park

D) Pin Valley National Park


9. Identify the critically endangered species prescribed by IUCN given below.

A) Red panda 

B) Malabar Civet

C) Blue whale 

D) Dhole


10. Which among the following is/are the elephant reserves in India?

1. Mayurjharna 2. Kameng 3. Dihing-Patka 4. Singphan

A) 2 & 4 only B) 1, 3 & 4 only C) 1, 2 & 4 only D) 1, 2, 3 & 4

Answers:

1. D) All the above

2. C) Heptachlor and polychlorinated biphenyls

3. D) 3 & 4 only

4. A) On phasing down climate-damaging refrigerant Hydrofluorocarbons

5. A) Debris and soot from the destroyed buildings in Hiroshima mixed with the radioactive fallout from the bomb, rose high into the atmosphere in the form of a mushroom cloud.

6. C) 3 only 

7. D) 1, 2 & 3

8. B) Namdapha National Park

9. B) Malabar Civet

10. D) 1, 2, 3 & 4

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