Green house gases blanket/block the infrared radiation from earth’s surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect ?

Related Mcqs:

1. The progressive warming up of the earth’s surface is mainly due to the___________________?

   A. Automobile exhaust
   B. Blanketing effect of CO2 in the atmosphere
   C. De-forestation
   D. Thickening of ozone layer

2. A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of _____________ high above earth’s atmosphere, which absorbs it?

   A. Hydrogen
   B. Carbon dioxide
   C. Ozone
   D. None of these

3. The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the_________________?

   A. Ionosphere
   B. Troposphere
   C. Stratosphere
   D. None of these

4. A ‘body’ which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the________________?

   A. Global warming
   B. Green house
   C. Atmospheric effect
   D. Ionosphere

5. The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the ________________?

   A. Catalytic conversion
   B. Green house effect
   C. Global warming
   D. Both B. and C.

6. Green house effect is accentuated by________________?

   A. Deforestation
   B. Rapid industrialisation
   C. Increased transportation activity
   D. All A., B. and C.

7. The earth’s atmosphere is an envelope of gases present upto a height of about ______________ kms?

   A. 10
   B. 200
   C. 1000
   D. 2000

8. Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the_______________?

   A. Forestation
   B. Rain
   C. Green house effect
   D. Vegetation

9. Global warming may result in __________________?

   A. Flood
   B. Cyclone
   C. Decrease in food productivity
   D. All A., B. and C.

10. Which of the following is a green house gas other than CO2 ?

    A. Methane
    B. Nitrous oxide
    C. Chlorofluoro carbons (CFC)
    D. All A., B. and C.