Atmosphere MCQ

 

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Atmosphere MCQ

Question 1
What is true with regard to Jet Streams?

1. High velocity winds

2. Blow from west to east

3. Blow in upper troposphere near the tropopause

4. Blow in the mesosphere

A
2 and 3
B
2 and 4
C
1, 2 and 3
D
1, 2 and 4

Question 2
Which one of the following characteristics is NOT associated with the tropical cyclones?
A
Before the cyclone arrives the air becomes very still and temperature and humidity are high
B
As the front of the vertex arrives, gusty winds develop and thick clouds appear
C
As the cold front passes, the weather changes very rapidly
D
Calm conditions return when the eye of the cyclone arrives

Question 3
What is the correct sequence of the following zonal pressure belts?

1. Subpolar low

2. Equatorial low

3. Polar high

4. Subtropical high

A
2, 3, 1, 4
B
1, 4, 2, 3
C
2, 4, 1, 3
D
1, 3, 2, 4

Question 4
Temperature generally decreases towards the poles because .....
A
Air movement is generally towards the. equator
B
Cold polar air masses prevent surface heating of the land
C
Cold surfaces do not absorb solar energy as readily as warm surfaces
D
Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions

Question 5
Which of these statements are correct with reference to tornadoes?

1. Tornadoes are smaller and more intense than hurricanes.

2. Tornadoes are most abundant along the eastern coast of India.

3. The average tornado lasts for less than one hour.

4. Tornadoes are most common in the afternoons in the early summer.

A
1, 3 and 4
B
2, 3 and 4
C
1, 2 and 4
D
1, 2 and 3

Question 6
Which one among the following statements relating to an anticyclone is correct?
A
Anticyclone is a wind system with a high pressure centre
B
In anticyclone the movement of wind is inward
C
The contribution of an anticyclone towards determining weather of an area is quite significant
D
The movement of wind is clockwise in an anticyclone of southern hemisphere

Question 7
Troposphere is the hottest part of the atmosphere because
A
It is closest to the Sun
B
There are charged particles in it
C
It is heated by the Earth's surface
D
Heat is generated in it

Question 8
Wind in the Southern hemisphere is deflected towards left due to .....
A
Temperature variations
B
Rotation of the earth
C
Difference in pressure
D
Difference in water content

Question 9
The Trade winds are caused by .....
A
Rotation of the earth
B
Revolution of the earth
C
Inflowing movement of air along the earth's surface towards the equator
D
None of these

Question 10
In the northern hemisphere, currents are deflected to their right due to .....
A
Centrifugal force
B
Coriolis force
C
Cyclonic storms
D
None of these
There are 10 questions to complete.

 

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