286. Assertion (A) : The proximity to the equator affects the climate of a place.
     Reason (R) : The equator receives the more sunlight than anywhere else on earth.
     

1. 1. If (A) and (R) are true and (R) is the correct explanation of (A)
      

   
   
   

   2. If (A) and (R) are true but (R) is not the correct explanation of (A)
      

   
   
   

   3. If (A) is true but (R) is false
      

   
   
   

   4. If (A) is false but (R) is true
      

   
   
   

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   NA

   Correct Option: A

   NA

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287. Assertion (A) : The elevation increases, the amount of space between air particles increases causing less ability to transfer heat to the ground
     Reason (R) : The higher the elevation, the cooler the climate.

1. 1. If (A) and (R) are true and (R) is the correct explanation of (A)
      

   
   
   

   2. If (A) and (R) are true but (R) is not the correct explanation of (A)
      

   
   
   

   3. If (A) is true but (R) is false
      

   
   
   

   4. If (A) is false but (R) is true
      

   
   
   

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   NA

   Correct Option: A

   NA

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288. The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation ?
     1. There are no clouds or water vapour in the lower stratosphere.
     2. There are no vertical winds in the lower stratosphere.
     Which of the statements given above is / are correct in this context ?

1. 1. 1 only

   
   
   

   2. 2 only

   
   
   

   3. Both 1 and 2

   
   
   

   4. Neither 1 nor 2

   
   
   

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   NA

   Correct Option: C

   NA

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289. Assertion (A) : Within the mesosphere, temperature decreases with increasing altitude.
     Reason (R) : This is due to deveasing solar heating and increasing cooling by CO₂ radiative emission
     

1. 1. If (A) and (R) are true and (R) is the correct explanation of (A)
      

   
   
   

   2. If (A) and (R) are true but (R) is not the correct explanation of (A)
      

   
   
   

   3. If (A) is true but (R) is false
      

   
   
   

   4. If (A) is false but (R) is true
      

   
   
   

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   NA

   Correct Option: A

   NA

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290. Assertion (A) : The top of the mesosphere, called the mesopause, is the coldest place on Earth.
     Reason (R) : Temperatures in the upper mesosphere fall as low as - 100 ^°C varying according to latitude and season.

1. 1. If (A) and (R) are true and (R) is the correct explanation of (A)
      

   
   
   

   2. If (A) and (R) are true but (R) is not the correct explanation of (A)
      

   
   
   

   3. If (A) is true but (R) is false
      

   
   
   

   4. If (A) is false but (R) is true
      

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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