136
Question
Match List - I (Type of precipitation) with List - II (Principal causes) and select the correct answer using the codes given below the lists:
List-I
A. Convective
B. Cyclonic
C. Frontal
D. Orographic
List-II
1. Atmospheric disturbances
2. Mountain barrier
3. Pressure difference
4. Temperature difference
5. Warm and cold air masses
Match List - I (Type of precipitation) with List - II (Principal causes) and select the correct answer using the codes given below the lists:
List-I
A. Convective
B. Cyclonic
C. Frontal
D. Orographic
List-II
1. Atmospheric disturbances
2. Mountain barrier
3. Pressure difference
4. Temperature difference
5. Warm and cold air masses
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Solution
The correct option is B
A
B
C
D
4
3
5
2
Convective precipitation is caused by convection where the surface layer of the atmosphere is heated causing the moisture laden air to rise. As it rises it cools to form clouds. The unequal heating of the earth's surface causes convection.
Cyclonic precipitation is caused by lifting of an air mass due to the pressure difference. Cyclonic precipitation may be either frontal or non-frontal cyclonic precipitation.
Frontal rainfall occurs when warm air is forced to rise over cold air. The moisture in the warm air condenses as it cools which causes clouds and rain.
Orographic or relief rainfall is caused when masses of air pushed by wind are forced up the side of elevated land formations, such as large mountains.
| A | B | C | D |
| 4 | 3 | 5 | 2 |
Convective precipitation is caused by convection where the surface layer of the atmosphere is heated causing the moisture laden air to rise. As it rises it cools to form clouds. The unequal heating of the earth's surface causes convection.
Cyclonic precipitation is caused by lifting of an air mass due to the pressure difference. Cyclonic precipitation may be either frontal or non-frontal cyclonic precipitation.
Frontal rainfall occurs when warm air is forced to rise over cold air. The moisture in the warm air condenses as it cools which causes clouds and rain.
Orographic or relief rainfall is caused when masses of air pushed by wind are forced up the side of elevated land formations, such as large mountains.
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