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This covers atmospheric disturbances. It contrasts the thermodynamic origins, structural shapes, pressure profiles, and track trajectories of destructive tropical cyclones with middle-latitude temperate cyclones (fronts).
Given below are two statements, one is labelled as Assertion (A) and other as Reason (R) :
Assertion (A): The surface winds spiral inwards upon the centre of the cyclone.
Reason (R): Air descends at the centre of the cyclone.
Code:
(A) and (R) are true, and (R) is the correct explanation of
(A)
Correct Answer:
(A) and (R) are true, but (R) is not the correct explanation of
Ques: 2
Which one of the areas marked as A, B, C and D in the given figure of the cyclone, witnesses heavy torrential short duration rainfall accompanied by thunderstorms?
Correct Answer:
(D)
D
Ques: 3
The Tornadoes are very strong tropical cyclones originating in:
Correct Answer:
(A) Caribbean Sea
Tornadoes are tropical cyclones. They are small in size but are immensely powerful and destructive. A tornado is a dark funnel-shaped cloud that reaches from the sky to the ground. Normally tornado comes in all tropical and subtropical regions, but the Caribbean Sea and American region are most prone to it.
Ques: 4
Which one of the following regions of the U.S.A. is known as “Tornado Alley”?
Correct Answer:
(C) Mississippi Plains
In great plains of USA when polar cold air mass meets with warm humid tropics air mass then a frightful cyclone develops, known as ‘Tornado’. Tornado Alley is an area in plains of the mid-USA that has a very high number of destructive Tornadoes. Tornado Alley mainly includes states of Mississippi and Missouri Valley that is Texas, Oklahoma, Kansas and Nebraska.
Ques: 5
To measure the intensity of Tornadoes we use-
Correct Answer:
(B) Fujita Scale
The Fujita-Pearson Scale or more popularly known as the F-scale is used to measure the intensity of a tornado. The scale was named after Ted Fujita.
Ques: 6
Which of the following area is more susceptible to typhoon cyclone?
Correct Answer:
(B) China-sea
A typhoon is a mature tropical cyclone that develops in the mid-northern hemisphere of China Sea between 100° and 180°E longitude.
Ques: 7
Match List-I with List-II and select the correct answer using the codes given below the lists:
List-I List-II
Australia 1. Hurricanes
China 2. Willy-Willy
India 3. Typhoons
U.S.A. 4. Cyclones
Code:
A B C D
Correct Answer:
(B) 2 3 4 1
A tropical cyclone is known by different names in different parts of the world. It is called a ‘Hurricane’ in the USA, ‘typhoon’ in China. In North and North-West Australia, it is called Willy-Willy and in India it is called Cyclones.
Ques: 8
Match List – I with List – II and select the correct answer from the codes given below:
List – I List – II
Willy-Willy 1. U.S.A.
Hurricanes 2. Australia
Typhoons 3. Philippines
Baguio 4. China
Code:
A B C D
Correct Answer:
(B) 2 1 4 3
The correct match is as follows:
Willy-Willy - Australia
Hurricane - U.S.A
Typhoons - China
Baguio - Philippines
Ques: 9
Match List- I with List- II and select the correct answer using the code given below the lists :
List- II List- I
(Different name of Tropical cyclone) (Country)
Willy-Willies 1. Philippines
Taifu 2. Australia
Baguio 3. Japan
Hurricanes 4. U.S.A.
Code :
A B C D
Correct Answer:
(D)
2 3 1 4
List- I List- II
(Different name of Tropical cyclone) (Country)
Willy-Willies Australia
Taifu Japan
Baguio Philippines
Hurricanes U.S.A.
As per the option, the correct answer would be options (d).
Ques: 10
Which of the following scales is used to measure the damage by a hurricane?
Correct Answer:
(A) Saffir-Simpson Scale
The Saffir Simpson Scale measures the intensity of the hurricane. Wind speed is measured on a scale of 1-5 to give an estimate of potential property damage and flooding along the coast.
