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1) Wind speed in a tropical severe cyclone is:
a) 27 - 33 kt
b) 48 - 63 kt
c) 17 - 27 kt
Explanation: The wind speed in a tropical severe cyclone ranges from 48 to 63 knots.
2) Fronts are characteristic of:
a) Tropical cyclone
b) Extra-tropical depressions
c) Monsoon depressions
Explanation: Fronts are a feature typical of extra-tropical depressions, where different air masses meet.
3) In a mature tropical cyclone, the eye area is characterized by:
a) Moderate winds and heavy rains
b) Hurricane force winds and squalls
c) Calm wind, little clouding, and practically no rainfall
Explanation: The eye of a mature tropical cyclone is calm with minimal clouding and little to no rainfall.
4) Cyclonic storms cross the Tamil Nadu coast in:
a) Oct - Nov
b) Jul - Aug
c) Feb - May
Explanation: Cyclonic storms usually cross the Tamil Nadu coast in the October to November period.
5) Cyclonic storms form over Indian seas during:
a) SW monsoon
b) NE monsoon
c) Pre - Monsoon AND Post Monsoon
Explanation: Cyclonic storms over Indian seas form primarily during the NE monsoon and in pre- and post-monsoon seasons.
6) TRS occurs over Indian seas in:
a) Equatorial Region
b) 5° - 15° N
c) 0° - 5° N
Explanation: Tropical Revolving Storms (TRS) typically occur over Indian seas between latitudes 5° and 15° N.
7) In the Bay of Bengal during the months of July and August, Monsoon Depression forms:
a) Over Head bay
b) Central Bay
c) South Bay
Explanation: During July and August, monsoon depressions tend to form in the Over head Bay of Bengal.
8) In a Monsoon depression, maximum weather occurs in:
a) SE sector
b) NW sector
c) SW sector
Explanation: In a monsoon depression, the maximum weather activity is usually found in the SW sector.
9) During re-curvature, maximum weather in a monsoon depression occurs in:
a) SE sector
b) NW sector
c) SW sector
d) NE sector
Explanation: During re-curvature, the NE sector typically experiences the most significant weather in a monsoon depression.
10) On whatever compass course the cyclone is approached, strong winds from the port indicate that the center lies somewhere:
a) Ahead
b) Behind
c) Port
d) Starboard
Explanation: Strong winds from the port side usually indicate that the cyclone's center is ahead.
11) The well-developed extra-tropical cyclonic storm is composed of two main frontal systems and an occluded front, which varies in extent:
a) A stationary Front followed by a warm front
b) A low with a warm front radiating out Southwards followed by a cold front.
c) A warm front and an occluded front
d) None of the above
Explanation: A low-pressure system with a warm front radiating southwards, followed by a cold front, characterizes a well-developed extra-tropical cyclone.
12) Cyclonic storms are confined almost entirely to the:
a) Latitudes near Equator
b) Tropic latitudes
c) Polar latitudes
d) Mid latitudes
Explanation: Cyclonic storms are most common in tropical latitudes, where warm sea surface temperatures support storm development.
13) The weather expected in a well-developed cyclonic storm is:
a) Moderate weather
b) Stormy weather
c) Clear skies
d) No wind or temperature change
Explanation: A well-developed cyclonic storm brings severe and stormy weather conditions.
14) After entering land, the cyclones gradually die down:
a) True
b) False
Explanation: Cyclones weaken over land due to the lack of warm, moist air which fuels them over the ocean.
15) The most dangerous part of the cyclone is:
a) Eye wall
b) Eye
c) Outer storm area
d) Complete cyclone
Explanation: The eye wall, where the strongest winds and heaviest rains occur, is the most dangerous part of a cyclone.
16) No Cyclonic storms form:
a) At Poles
b) At Equator
c) At Lat 40 deg
d) All these
Explanation: Cyclonic storms do not form at the poles due to the lack of sufficient Coriolis force needed to initiate rotation.
17) Average life of a tropical cyclone in India is:
a) 10 Days
b) 6 - 8 Days
c) 3 - 4 Days
Explanation: The average lifespan of a tropical cyclone in India is around 3-4 days.
18) CS in India are mostly of intensity:
a) Severe
b) Very Weak
c) Moderate
Explanation: Cyclonic storms in the Indian region are often of moderate due to conducive warm sea temperatures.
19) Cyclonic Storms are also called:
a) Polar winds
b) Hurricanes
c) Westerly
Explanation: Cyclonic storms are referred to as hurricanes in the Atlantic and Northeast Pacific regions.
20) Squall lines are mostly formed in:
a) East of the front
b) West of the front
c) North of the front
d) South of the front
Explanation: Squall lines typically form to the west of a frontal boundary.
21) Eye of a CS is surrounded by
a) Shelf Clouds
b) Wall Clouds
c) Rotor Clouds
d) Roll clouds
Explanation: The eye of a cyclonic storm is typically surrounded by wall clouds, forming the boundary of the eye.
22) CS in India region are less intense because
a) They have a very short travel over the sea
b) Sea surface temp, are not high
c) India is close to Equator
Explanation: Cyclonic storms in India are less intense because they have limited time to strengthen over the sea.
23) Surge is sudden strengthening of wind in the …….. air mass
a) Same
b) Different
c) Both
Explanation: A surge refers to a sudden strengthening of wind within the same air mass.
24) Surge and Shear Line are Features of ……… monsoon
a) Vigorous
b) Weak
c) Moderate
Explanation: A surge and shear line are often features of a vigorous monsoon system.
25) Peninsular discontinuity occurs along
a) West Coast
b) East Coast
c) Central peninsula
Explanation: The peninsular discontinuity is a feature that typically occurs along the central peninsula region of India.
26) Peninsular discontinuity occurs during
a) Monsoon
b) NE Monsoon
c) Pre Monsoon
Explanation: The peninsular discontinuity is most commonly observed during the pre monsoon period.
27) Surge is also
a) Velocity Divergence
b) Velocity Convergence
c) Like ITCZ
Explanation: Surge refers to velocity convergence in meteorological terms.
28) In a depression the wind speed is
a) < 17 kt
b) 34-47 kt
c) 17-27 kt
d) 48-63 kt
Explanation: In a typical depression, the wind speed is 17-27 knots.
29) In a CS the wind speed is
a) < 17 kt
b) 34-47 kt
c) 17-27 kt
d) 28-33 kt
Explanation: In a cyclonic storm (CS), the wind speed is typically 34-47 knots.
30) A monsoon depression slopes ……. with height
a) SE
b) NW
c) SW
d) NE
Explanation: A monsoon depression typically slopes southwest with height.
31) Average life of a monsoon depression is
a) 2-3 days
b) 8-9 days
c) 3-5 days
d) 10-12 days
Explanation: The average life span of a monsoon depression is typically 3-5 days.
32) Monsoon Depression moves faster over
a) Sea
b) Plains
c) Hills
d) Rivers
Explanation: Monsoon depressions generally move faster over the plains .
33) For formation of a CS sea surface temperature should be
a) 26⁰ - 27⁰ C
b) 23⁰ - 24⁰ C
c) 24⁰ - 25⁰ C
d) 30⁰ C
Explanation: The ideal sea surface temperature for cyclonic storm (CS) formation is between 26-27°C.
34) In extra tropical cyclone family there are 3-4 CS or Depressions, one to the ……… of the other
a) SE
b) NW
c) SW
d) NE
Explanation: In an extra-tropical cyclone family, cyclonic storms or depressions often occur one to the southwest of the other.
35) In TRS the central pressure is about
a) 1002 - 1010 hpa
b) 1000 - 900 hpa
c) 1010 - 1020 hpa
Explanation: The central pressure in a Tropical Revolving Storm (TRS) typically ranges between 1000 and 900 hpa.
36) TRS develop over
a) Sea
b) Land
c) Islands
Explanation: Tropical Revolving Storms (TRS) typically develop over warm sea surfaces, where they gain energy from the heat and moisture.
37) TRS develop over …….. deg Lat
a) 0 - 5
b) 5 - 15
c) 25 - 30
d) 30 - 40
Explanation: Tropical Revolving Storms (TRS) generally develop between 5 and 15 degrees latitude where Coriolis effect is sufficient for rotation.
38) In TRS Pressure gradient is very steep up to a radius of
a) 30 Km
b) 50 km
c) 100 km
d) 400 km
Explanation: The pressure gradient in a Tropical Revolving Storm (TRS) is usually very steep within a radius of approximately 400 km from the center.
39) Extra Tropical Storms originate in
a) Equatorial Front
b) Tropical Front
c) Polar Front
Explanation: Extra-tropical storms, or mid-latitude cyclones, typically originate along the polar front.
40) Extra tropical storms generally move in the direction
a) S to E
b) W to E
c) S to W
d) E to W
Explanation: Extra-tropical storms generally move from west to east due to prevailing westerlies in mid-latitudes.
41) A tropical Cyclone moves …….. in a day
a) 300 - 500 km
b) 500 - 700 km
c) 700 - 900 km
Explanation: Tropical cyclones typically cover a distance of 300-500 km in a day.
42) A Tropical CS has an outer storm area of about
a) > 400 Km
b) > 700 Km
c) > 900 Km
Explanation: A tropical cyclonic storm (CS) can have an outer storm area extending beyond 400 km.

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