Question 1 : Which of the following is/are natural contributor(s) to sulphur dioxide in the atmosphere?
1. Sea sprays
2. All of the mentioned
3. Decaying vegetation
4. Volcanic eruption
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Question 2 : In rural areas, what has contributed significantly to particulate pollution?
1. Incomplete combustion in vehicles
2. Using wood for fire and cooking
3. Fertilisers
4. All of the mentioned
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Question 3 : What is the reason behind the yellow colour of smog?
1. Nitrogen dioxide
2. Sulphur dioxide
3. Sulphate ions
4. Nitrate ions
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Question 4 : Which type of particulate is condensed form of vapours?
1. Mist
2. Dust
3. Fumes
4. Smoke
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Question 5 : What is the size range of atmospheric particulate matter?
1. 0.1 – 10 microns
2. 0.1 - 1 micron
3. 1 - 10 microns
4. 10 - 100 microns
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Question 6 : What is the size of the particles categorised as aerosols?
1. Greater than 1 micron
2. Less than 1 micron
3. Between 0.01-1 micron
4. Less than 0.01 micron
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Question 7 : The size of aerosol particles formed mechanically is minimum 1 micron.
1. True
2. False
3.
4.
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Question 8 : Below which of the following pH is rain regarded as 'acid rain'?
1. 7
2. 7.3
3. 5.6
4. 6
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Question 9 : Which place in India receives the highest annual rainfall?
1. Mawsynram
2. Cherrapunji
3. Siju
4. Phyllut
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Question 10 : Who discovered the phenomenon of acid rain?
1. George Brown
2. James T. Stewart
3. Robert Angus Smith
4. Charles David
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