Bhopal gas tragedy of 1984 took place because methyl isocyanate reacted with
1. DDT
2. Ammonia
3. CO2
4. Water

Subtopic:  Air Pollution |
Please attempt this question first.
Hints

The intensity of noise beyond which physical discomfort is:
1. 70 dB
2. 80 dB
3. 100 dB
4. 120 dB

Subtopic:  Air Pollution |

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


In coal fired power plants, electrostatic precipitators are fitted to control emission of:
1. NOx
2. CO
3. SPM
4. SO2

Subtopic:  Air Pollution |
 55%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


Photochemical smog does not contain
1. PAN
2. Ozone
3. Nitrogen dioxide
4. CO2

Subtopic:  Air Pollution |
 57%

To unlock all the explanations of this course, you need to be enrolled.

Hints

Which of the following is a secondary pollutant?
1. CO
2. O3
3. SO2
4. CO2

Subtopic:  Air Pollution |
 63%

To unlock all the explanations of this course, you need to be enrolled.

Hints

Photochemical smog is formed in traffic congested cities where the conditions are:

1. cool and intense solar radiation            

2. cool and less solar radiation

3. warm and intense solar radiation         

4. warm and less solar radiation

Subtopic:  Air Pollution |
 66%
Please attempt this question first.
Hints

Nitrogen oxides formed during emission from automobiles and power plants are a source of fine airparticles which lead to
1. Dry acid deposition
2. Photochemical smog
3. Wet acid deposition
4. Industrial smog

Subtopic:  Air Pollution |
 74%

To unlock all the explanations of this course, you need to be enrolled.

Hints

Which one of the following statements in not valid for aerosols
1. They are harmful to human health
2. They alter rainfall and monsoon patterns
3. They cause increased agricultural productivity
4. They have negative impact on agricultural land

Subtopic:  Air Pollution |
 75%

To unlock all the explanations of this course, you need to be enrolled.

Hints

The Air Prevention and Control of Pollution Act came into force in:
1. 1981
2. 1985
3. 1990
4. 1975

Subtopic:  Air Pollution |
 82%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


dB is a standard abbreviation used for the quantitative expression of
1. A particular pollutant
2. The dominant Bacillus in a culture
3. Certain pesticides
4. The density of bacteria in a medium

Subtopic:  Air Pollution |
 84%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.