A catalytic converter :
1. reduces unburnt hydrocarbon in auto emissions
2. converts NOx to nitrogen
3. reduces lead in the exhaust
4. converts carbon dioxide to carbon monoxide

Subtopic:  Air Pollution |
From NCERT
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The group most profoundly affected by global warming normally is :-

1. Plants
2. Insects
3. Birds
4. Mammals

Subtopic:  Green House Effect & Global Warming |
 55%
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Which of the following radiatively active gases contributes the least to global warming?

1. CO2

2. CFC

3. N2O

4. CH4

Subtopic:  Green House Effect & Global Warming |
 77%
From NCERT
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Which of the following commits industrialized nations to reduce greenhouse gas emissions ?
1. Montreal protocol
2. Kyoto protocal 
3. UNECD earth summit
4. Alma Atta conference 

Subtopic:  Green House Effect & Global Warming |
 52%
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To safeguard our water resources, the Water (Prevention and Control of Pollution) Act, was passed in:

1. 1951
2. 1974
3. 1985
4. 1987

Subtopic:  Water Pollution: I | Water Pollution |
 81%
From NCERT
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Eventually, the only solution for the treatment of e-wastes, provided it is carried out in an environment friendly manner, is:
1. Incineration
2. Burying in landfill sites
3. Dumping in developing countries
4. Recycling

 

Subtopic:  Solid Waste Pollution |
 70%
From NCERT
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Match each item in Column I with one item in Column II and choose the correct answer from the code given below:

A. Air [Prevention and Control of Pollution] Act a. 1981
B. Water [Prevention and Control of Pollution] Act b. 1974
C. Environment [Protection] Act c. 1986
D. Montreal Protocol d. 1987


Codes:
             A.            B.                   C.              D.
1.          a              b                    c               d

2.          b              a                    d               c

3.          d              c                    b               a

4.          c              d                    a               b

Subtopic:  Air Pollution | Water Pollution: II | Water Pollution |
 81%
From NCERT
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What is eutrophication?

1. The nutrient enrichment of lakes and ponds
2. The decrease in the pH of a lake or pond
3. The increase of water temperature of a lake or pond
4. The depletion of nutrients inlakes and ponds

Subtopic:  Water Pollution: I | Water Pollution |
 89%
From NCERT
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In what way does thermal pollution affect organisms?
1. Lowers the pH of water
2. Interrupts normal physiological pathways
3. Decreases oxygen supply in water
4. Increases oxygen supply in water

Subtopic:  Water Pollution: I | Water Pollution |
 51%
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Which of the following is not likely to happen as a result of the rising levels of CO2 in our atmosphere?

1. Increased incidents of skin cancer

2. Rise in sea levels

3. Change in climatic patterns

4. Shifts in locations of deserts and fertile regions

Subtopic:  Green House Effect & Global Warming | Ozone Layer Depletion |
 51%
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