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Q. No.Identify the correct statements regarding noise pollution:
I:
Even a brief exposure to an extremely high sound level of 150 dB may damage ear drums and permanently impair hearing ability.
II:
Noise also causes sleeplessness, increased heart beat, altered breathing pattern, thus leading to considerable stress in humans.
1. Both Statement I and Statement II are incorrect
2. Both Statement I and Statement II are correct
3. Only Statement II is correct
4. Only Statement I is correct
I:
Even a brief exposure to an extremely high sound level of 150 dB may damage ear drums and permanently impair hearing ability.
II:
Noise also causes sleeplessness, increased heart beat, altered breathing pattern, thus leading to considerable stress in humans.
3. Only Statement II is correct
4. Only Statement I is correct
Subtopic: Air Pollution |
91%
Level 1: 80%+
Hints
Subtopic: Resource Utilisation & Maintenance |
Level 3: 35%-60%
Hints
The second commitment period for Kyoto Protocol was decided at:
1. Durban
2. Bali
3. Doha
4. Cancun
1. Durban
2. Bali
3. Doha
4. Cancun
Subtopic: Green House Effect & Global Warming |
60%
Level 2: 60%+
NEET - 2013
Hints
Climate of the world is threatened by:
1. Decreasing amount of atmospheric oxygen
2. Increasing amount of atmospheric carbon dioxide
3. Decreasing amount of atmospheric carbon dioxide
4. Increasing concentration of atmospheric oxygen
1. Decreasing amount of atmospheric oxygen
2. Increasing amount of atmospheric carbon dioxide
3. Decreasing amount of atmospheric carbon dioxide
4. Increasing concentration of atmospheric oxygen
Subtopic: Green House Effect & Global Warming |
76%
Level 2: 60%+
NEET - 2013
Hints
Assertion(A): Landfills are not much useful.
Reason(R): The amount of garbage generation especially in rural areas has increased.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): The amount of garbage generation especially in rural areas has increased.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Solid Waste Pollution |
52%
Level 3: 35%-60%
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Assertion(A): DNA and proteins of living organisms preferentially absorb UV rays.
Reason(R): The high energy of UV rays breaks chemical bonds in DNA and proteins.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): The high energy of UV rays breaks chemical bonds in DNA and proteins.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Ozone Layer Depletion |
52%
Level 3: 35%-60%
Hints
Assertion(A): Nuclear waste is an extremely potent pollutant.
Reason(R): At high doses, nuclear radiations cause cancer.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): At high doses, nuclear radiations cause cancer.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Agrochemical & Radioactive Waste |
Level 3: 35%-60%
Hints
Assertion(A): Greenhouse warms up like a car parked in the sun.
Reason(R): The glass panel of the greenhouse lets the light in and allows the heat to escape.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): The glass panel of the greenhouse lets the light in and allows the heat to escape.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Green House Effect & Global Warming |
70%
Level 2: 60%+
Hints
Assertion(A): Burning of fossil fuels is harmful to humans, animals, and plants.
Reason(R): These air pollutants must be removed to keep our air clean.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): These air pollutants must be removed to keep our air clean.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Air Pollution |
64%
Level 2: 60%+
Hints
Bhopal Gas Tragedy, 1984, was due to the leakage of:
| 1. | radioactive wastes |
| 2. | genetically modified hazardous microbes |
| 3. | methyl isocyanate gas |
| 4. | chlorofluorocarbons |
Subtopic: Air Pollution |
85%
Level 1: 80%+
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