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
- There are no clouds or water vapour in the lower stratosphere.
- There are no vertical winds in the lower stratosphere.
(a) 2 only
(b) 1 only
(c) Neither 1 nor 2
(d) Both 1 and 2
The correct answers to the above question in:
Answer: (a)
The idea is to optimize fuel burn reason is the low air density that reduces parasitic drag on the airframe. It also allows them to stay above any hard weather (extreme turbulence).
Airflow in the stratosphere is much lesser turbulent than in the troposphere and this is the reason that jet aircraft like to cruise at stratospheric altitudes for, the flight is less “bumpy.” So statement 2 is correct. The majority of clouds form in the Earth’s troposphere, but there are occasions where clouds in the stratosphere and mesosphere are formed and have been observed.
Statement 1 which says that there are no clouds or water vapour in the lower stratosphere, is not a correct statement, to the extent that it does not explain the flight of jets in the lower stratosphere.
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Read more atmosphere climatology Based Indian Geography Questions and Answers
Question : 1
List I | List II |
A. Cloudiness and heavy precipitation unfavourable | 1. Equatorial region |
B. Westerlies throughout the year and mild winters | 2. Mediterranean region |
C. Famous for game parkland type of vegetation | 3. Savanna region |
D. Dry summers, wet winters and orchard farming | 4. West European region |
a) A – 4 ; B – 1 ; C – 3 ; D – 2
b) A – 1 ; B – 4 ; C – 3 ; D – 2
c) A – 4 ; B – 1 ; C – 2 ; D – 3
d) A – 1 ; B – 4 ; C – 2 ; D – 3
Answer »Answer: (d)
Question : 2
Which of the following statements is/are correct?
- Cyclone is a low-pressure system.
- The wind movement is clockwise in the cyclone of the northern hemisphere.
a) 2 only
b) 1 only
c) Neither 1 nor 2
d) Both 1 and 2
Answer »Answer: (b)
Cyclones are moving bodies of air in an enclosed area rotating in the same direction as the earth. The air inside the cyclone moves anticlockwise in the Northern Hemisphere.
Question : 3
All vital atmospheric processes leading to various climatic and weather conditions take place in the :
a) Troposphere
b) Stratosphere
c) Exosphere
d) Ionosphere
Answer »Answer: (a)
The troposphere, which extends up to a height of 12 km on average from the surface of the earth, is the locale of all the vital atmospheric processes which create the climatic and weather conditions on the earth’s surface.
About half of the mass of air comprising the entire atmosphere is concentrated in this zone. This is the lowermost layer of the atmosphere.
Question : 4
Frontal Rain is caused by
a) Winds from sea
b) Convection current
c) Condensation of water evaporated from mountains
d) Cyclonic activity
Answer »Answer: (d)
Frontal rainfall is a type of precipitation that occurs when a warm air mass and a cold air mass meet. Extra-tropical cyclones form as waves along weather fronts before occluding later in their life cycle as cold-core cyclones.
Cyclogenesis is the development or strengthening of cyclonic circulation in the atmosphere (a low-pressure area).
Question : 5
Name the continent where ‘Tundra’ type of climate is not found
a) Asia
b) Europe
c) North America
d) Africa
Answer »Answer: (d)
The meaning of the word ‘tundra’ is ‘a region in continents of Asia, Europe and North America, where the growth of trees is prevented due to low temperatures and permanently frozen subsoil’.
These kinds of geographic areas are found near the North Pole and the South Pole. In physical geography, the tundra is a biome where tree growth is hindered by low temperatures and short growing seasons.
There are three types of tundra: Arctic tundra, alpine tundra, and Antarctic tundra. In the tundra, the vegetation is composed of dwarf shrubs, sedges and grasses, mosses, and lichens. Scattered trees grow in some tundra.
Question : 6
Rainfall caused by intense evaporation in equatorial areas is called _______
a) Cyclonic rainfall
b) Orographic rainfall
c) Convectional rainfall
d) Frontal rainfall
Answer »Answer: (c)
The equatorial regions are known for convectional rainfall that occurs due to the thermal convection currents caused due to the heating of ground due to insolation
. In these, the warm air rises up and expands then, reaches a cooler layer and saturates, then condenses mainly in the form of cumulus or cumulonimbus clouds.
The equatorial regions receive convectional rainfall almost on a daily basis. The rainfall is of very short duration but in the form of heavy showers.
GET Atmosphere & Climatology PRACTICE TEST EXERCISES
atmosphere & climatology section 1
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atmosphere & climatology section 3
atmosphere & climatology section 4
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atmosphere & climatology section 7
atmosphere & climatology section 8
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