atmosphere & climatology section 2 MCQ Questions & Answers Detailed Explanation
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The following question based on Atmosphere & Climatology topic of indian geography mcq
(a) tropical region
(b) equatorial region
(c) temperate region
(d) Antarctic region
The correct answers to the above question in:
Answer: (d)
Blizzards are characterized by low temperatures (usually below 20 degrees Fahrenheit) and accompanied by winds that are at least 35 mph or greater.
Blizzards also have sufficient falling and/or blowing snow that reduces visibility to 1/4 mile or less at least three hours and is the main feature of the Antarctic region.
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Read more atmosphere climatology Based Indian Geography Questions and Answers
Question : 1
Trade winds blow from the
a) polar high pressure
b) equatorial low pressure
c) subpolar low pressure
d) subtropical high pressure
Answer »Answer: (d)
Wind flows outward down the pressure gradient away from the subtropical highs. As it does so, it encounters the Coriolis Effect caused by the rotation of the Earth.
This force causes the winds in the Northern Hemisphere to move from the east towards the west below the subtropical high, and from the west towards the east above the subtropical high.
The opposite is true in the Southern Hemisphere. Above the subtropical high winds move from east to west, and below the subtropical high winds move from west to the east.
Question : 2
The layer of the atmosphere in which Radio Waves are reflected back is called ;
a) Troposphere
b) Ionosphere
c) Exosphere
d) Stratosphere
Answer »Answer: (b)
The Radio waves are reflected back to Earth in the Ionosphere which is an electrically charged layer of the upper atmosphere.
This process is used to communicate beyond the horizon, at intercontinental distances, mostly in the shortwave frequency bands.
Question : 3
Which one among the following is a source of methane emission into the atmosphere?
a) Industrial chimney
b) Automobile exhaust fume
c) Wetland
d) Mining
Answer »Answer: (c)
The most significant natural sources of atmospheric methane are wetlands. Wetlands are characterized by waterlogged soils and distinctive communities of plant and animal species that have evolved and adapted to the constant presence of water.
Due to this high level of water saturation as well as warm weather, wetlands are one of the most significant natural sources of atmospheric methane.
Question : 4
What is a ‘tornado’?
a) A very low pressure centre
b) A very high pressure centre
c) A planetary wind
d) A very high ocean wave
Answer »Answer: (a)
A tornado is a closed low-pressure circulation that is marked by a violently rotating column of air that is in contact with both the surface of the earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud.
Low-pressure systems form under areas of wind divergence which occur in upper levels of the troposphere. The formation process of a low-pressure area is known as cyclogenesis.
Question : 5
Which one of the following climates are associated with the shifting of the pressure belts?
- Equatorial climate
- Mediterranean climate
- Monsoon climate
- Western European climate
a) 1 and 3
b) 1 and 2
c) 2 and 4
d) 2 and 3
Answer »Answer: (d)
Question : 6
Cloudy nights are warmer than clear nights because of
a) depletion of ozone layer
b) greenhouse effect
c) terrestrial radiation
d) insolation
Answer »Answer: (d)
Cloudy nights are warmer than clear nights because of insolation.
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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