atmosphere & climatology section 7 MCQ Questions & Answers Detailed Explanation
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The following question based on Atmosphere & Climatology topic of indian geography mcq
(a) Stratosphere
(b) Troposphere
(c) Thermosphere
(d) Mesosphere
The correct answers to the above question in:
Answer: (a)
Solar ultraviolet radiation undergoes absorption and scattering as it passes through the stratospheric layer of the earth’s atmosphere.
The ozone layer, a region of Earth’s stratosphere, absorbs 97-99% of the Sun’s ultraviolet (UV) radiation. As a result, no UV radiation at wavelengths shorter than 290 nm reaches the surface of the earth.
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Read more atmosphere climatology Based Indian Geography Questions and Answers
Question : 1
If there is no carbon dioxide in the earth’s atmosphere, the temperature of the earth’s surface would be
a) higher than the present
b) dependent on the amount of oxygen in the atmosphere
c) the same
d) less than the present
Answer »Answer: (d)
If there is no carbon dioxide in the earth’s atmosphere, the temperature of the earth’s surface would be less than the present because carbon emission in the atmosphere is one of the major causes of global warming.
Question : 2
The climate of North America is influenced during winter by the
a) Warm airmasses
b) Polar airmasses
c) Tropical airmasses
d) Continental airmasses
Answer »Answer: (c)
Maritime tropical (mT) air masses affecting North America most often originate over the warm water of the Gulf of Mexico, the Caribbean Sea, or the adjacent western Atlantic Ocean.
As expected, mT air masses are warm to hot, and they are humid. During winter, when cP air dominates the central and eastern United States, mT air only occasionally enters this part of the country.
However, during the summer, mT air masses from the Gulf, Caribbean, and adjacent Atlantic are more common and cover a much wider area of the continent.
Question : 3
Which one of the areas marked as (a), (b), (c) and (d) in the given figure of the cyclone, witnesses heavy torrential short duration rainfall accompanied by thunderstorms? a
a) b
b) a
c) d
d) c
Answer »Answer: (c)
GET Atmosphere & Climatology PRACTICE TEST EXERCISES
atmosphere & climatology section 1
atmosphere & climatology section 2
atmosphere & climatology section 3
atmosphere & climatology section 4
atmosphere & climatology section 5
atmosphere & climatology section 6
atmosphere & climatology section 7
atmosphere & climatology section 8
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