Question 31 : What does ITCZ stand for corresponding to global wind patterns?
1. Inner Tropospheric Convergence Zone
2. Inter Tropical Convergence Zone
3. Inner Tropical Continental Zone
4. Inter Tropical Continental Zone
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Question 32 : Twinkling of stars is otherwise known as scintillation.
1. True
2. False
3.
4.
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Question 33 : What would have been the average temperature of Earth without greenhouse gases?
1. 0^oC
2. -7^oC
3. -9^oC
4. -19^oC
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Question 34 : Which of the following is a sink for carbon?
1. Wetlands
2. Old oil fields
3. Saline waterbodies
4. All of the mentioned
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Question 35 : At what concentration (in ppm), is nitrogen present in the atmosphere?
1. 780,840
2. 390,420
3. 78,084
4. 900,000
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Question 36 : What does the phrase 'anthropogenic CO2 emissions' mean?
1. Human made CO₂ emissions
2. Industrial CO₂ emissions
3. Natural CO₂ emissions
4. All of the mentioned
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Question 37 : What is the region of mild and irregular wind in the equatorial region known as?
1. Trade winds
2. Westerlies
3. Doldrums
4. Easterlies
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Question 38 : What does the ratio of the mass of water vapour to mass of air indicate?
1. Absolute humidity
2. Specific humidity
3. Relative humidity
4. Approximate humidity
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Question 39 : What is the average concentration of ozone in the ozone layer of the atmosphere?
1. Nearly 100%
2. Greater than 90%
3. Between 10-50%
4. Less than 10ppm
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Question 40 : The Earth is still said to be in the 'ice age' period.
1. True
2. False
3.
4.
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