atmosphere & climatology section 4 MCQ Questions & Answers Detailed Explanation
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The following question based on Atmosphere & Climatology topic of indian geography mcq
(a) Advent of a cyclone
(b) Advent of unsettled and cloudy weather
(c) Fire and unsettled weather
(d) Fine and settled weather
The correct answers to the above question in:
Answer: (d)
A continually rising air pressure is an indication of fine and settled weather, and a steadily falling tendency in the barometer foretells the advent of unsettled and cloudy weather.
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Read more atmosphere climatology Based Indian Geography Questions and Answers
Question : 1
Air Pressure is lowest in
a) Spring
b) Winter Season
c) Summer season
d) Autumn Season
Answer »Answer: (c)
Summer experience lower Air pressure.
Question : 2
Which of the following absorbs part of the insolation and preserves earth’s radiated heat?
a) Nitrogen
b) Oxygen
c) Carbon-di-oxide
d) Water vapour
Answer »Answer: (d)
The amount of solar energy reaching the Earth is 70 per cent. The surface of the Earth absorbs 51 per cent of the insolation. Water vapour and dust account for 16 per cent of the energy absorbed.
Most of the terrestrial radiation is absorbed by the water vapour in the atmosphere and some by other gases (about 8 per cent is radiated directly to outer space). This radiant energy is re-radiated in the atmosphere horizontally and vertically.
Question : 3
The zone of Earth’s atmosphere immediately above its surface up to a height of about 16 kms above equator and 8 kms over the poles is known as :
a) Thermosphere
b) Mesosphere
c) Stratosphere
d) Troposphere
Answer »Answer: (d)
The zone of Earth’s atmosphere immediately above its surface up to a height of about 16 kms above equator and 8 kms over the poles is known as troposphere.
Question : 4
Which one of the following is correctly matched?
a) El Nino — Strong monsoon
b) Rossby waves — Jet stream
c) Hadley cell — Mid-latitude cell
d) Index cycle — Walker circulation
Answer »Answer: (b)
Jet streams are fast flowing, narrow, meandering air currents found in the atmosphere of some planets, including Earth.
On Earth, the main jet streams are located near the altitude of the tropopause and are westerly winds (flowing west to east).
Their paths typically have a meandering shape. Jet streams may start, stop, split into two or more parts, combine into one stream, or flow in various directions including opposite to the direction of the remainder of the jet.
The strongest jet streams are the polar jets, at 9–12 km (30,000–39,000 ft) above sea level, and the higher altitude and somewhat weaker subtropical jets at 10–16 km (33,000–52,000 ft).
Question : 5
Which layer of atmosphere is vital for telercommnications?
a) Thermosphere
b) Troposphere
c) Ionosphere
d) Stratosphere
Answer »Answer: (c)
The Ionosphere makes the radio communications possible by virtue to the fact this layer reflects the radio singnals back to the earth.
Question : 6
When air temperature rises, relative humidity
a) decreases
b) increases
c) may increase or decrease
d) does not change
Answer »Answer: (a)
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
Atmosphere & Climatology Shortcuts and Techniques with Examples
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