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Standard VII
Physics
Cyclone
Q. Consider t...
Question

Q. Consider the following statements:

Which of the above statement/s is/are correct?


A

1 and 3 only
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B

2 and 3 only
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C

1 and 2 only
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D

1, 2 and 3 only
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Solution

The correct option is C
1 and 2 only

Explanation

Statement 1 is correct : Extra tropical cyclones form along the polar front

Statement 2 is correct : Extra tropical cyclones can originate over land and sea but tropical cyclones originate only over sea and they dissipate once they touch the land

Statement 3 is incorrect : The extra tropical cyclones move from west to east and tropical cyclones move from east to west.

Extra Information : Extra tropical cyclones are so called because they develop in the mid and high latitude, beyond the tropics. They are also called middle latitude cyclones. The passage of front causes abrupt changes in the weather conditions over the area in the middle and high latitudes.


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Q.

Q. Consider the following statements:

Which of the above statements is/are correct?



  1. 2 and 3 only

  2. 1 and 2 only

  3. 1, 2 and 3 only

  4. 1 and 3 only
Q. Q. With reference to the Cyclones, consider the following statements:Select the correct answer using the codes given below:

Q. चक्रवातों के संदर्भ में निम्नलिखित कथनों पर विचार कीजिए:
  1. उष्णकटिबंधीय चक्रवात (Tropical Cyclones) केवल समुद्र के ऊपर बनते हैं, जबकि बहिरूष्ण कटिबंधीय चक्रवात (Extra-Tropical Cyclones) भूमि और समुद्र दोनों के ऊपर बनते हैं।
  2. उष्णकटिबंधीय चक्रवात पश्चिम से पूर्व की ओर बढ़ते हैं, जबकि बहिरूष्ण कटिबंधीय चक्रवात पूर्व से पश्चिम की ओर बढ़ते हैं।
  3. बहिरूष्ण कटिबंधीय चक्रवात में एक स्पष्ट अग्र प्रणाली विद्यमान होती है, जबकि यह उष्णकटिबंधीय चक्रवातों में अनुपस्थित होती है।
  4. उष्णकटिबंधीय चक्रवात बहिरूष्ण कटिबंधीय चक्रवात की तुलना में बहुत बड़े क्षेत्र को प्रभावित करते हैं।
निम्नलिखित कूटों का उपयोग करके सही उत्तर चुनिए:

  1. 2 and 3 only
    केवल 2 और 3

  2. 1 and 3 only
    केवल 1 और 3

  3. 1, 3 and 4 only
    केवल 1, 3 और 4

  4. 1, 2, 3 and 4
    1, 2, 3 और 4
Q. Consider the following statements:Which of the above statement(s) is/are correct?
  1. Only 1
  2. Only 1 and 2
  3. Only 2 and 3
  4. All of the above
Q.

Which of the following are correct regarding Temperate and tropical cyclones ?

1. Tropical cyclones are generally bigger and more destructive than temperate cyclones.
2. Tropical cyclones develop only over seas while temperate cyclones develop over both land and ocean.
3. India being a tropical country does not come under influence of temperate cyclones.
Select the correct answer using the code given below.
Q.

Q. Which of the following statements about tropical and extra tropical cyclones is/are correct:

Select the correct answer using the code given below:


  1. 1 and 2 only
  2. 3 and 4 only
  3. 1, 2 and 3 only
  4. 2, 3 and 4 only
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