Natural Disasters (Cyclones, Earthquakes, Volcanoes) NDA Questions

NDA Physical Geography

Natural Disasters (Cyclones, Earthquakes, Volcanoes) MCQ Questions


7.
Cyclones which cross 20°N latitude generally exhibit which characteristic, according to NCERT?
A.
They lose the Coriolis force completely
B.
They dissipate immediately without causing damage
C.
They convert into extra-tropical cyclones instantly
D.
They recurve and become more destructive
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ANSWER :
D. They recurve and become more destructive
8.
The calm region with subsiding air at the centre of a mature tropical cyclone is called the:
A.
Rain band
B.
Outflow region
C.
Eye wall
D.
Eye
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ANSWER :
D. Eye
9.
In the eye wall of a mature tropical cyclone, wind velocity can reach a maximum of approximately:
A.
250 km per hour
B.
50 km per hour
C.
1,000 km per hour
D.
10 km per hour
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ANSWER :
A. 250 km per hour
10.
The diameter of the circulating system of a mature tropical cyclone can typically vary between:
A.
5 and 10 km
B.
10 and 50 km
C.
150 and 250 km
D.
1,000 and 2,000 km
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ANSWER :
C. 150 and 250 km
11.
Tropical cyclones generally move in which direction, as per NCERT?
A.
From north to south only
B.
From west to east
C.
They remain stationary at all times
D.
From east to west
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ANSWER :
D. From east to west
12.
Why are tropical cyclones generally NOT formed near the equator?
A.
Mountain ranges block all storms near the equator
B.
There is no moisture available at the equator
C.
The Coriolis force is zero at the equator, so the low pressure gets filled instead of intensifying
D.
Sea-surface temperatures are always below 27°C at the equator
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ANSWER :
C. The Coriolis force is zero at the equator, so the low pressure gets filled instead of intensifying