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Many areas in Rajasthan and adjoining states have arid and desert soils. Which of the following are correct about such soils ?
1. they have high phosphate content
2. they have high nitrogen content
3. they are poor in organic matter
Select the correct answer using the codes given below.
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Answer
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Consider the following statements about doldrums :
1. they are a high pressure region
2. they are a zone of wind divergence
Which of the statements given above is/are correct ?
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Suppose 100 units of radiation is coming from the sun. 35 units gets reflected back to space. 14 units is absorbed by atmosphere. 51 units reaches the earth’s surface. What is the amount of insolation in the above scenario ?
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Tropical cyclones do not form over equator. This is because
1. Equator is a zone of wind convergence.
2. The temperature over equator is too high.
3. There are no fronts over equator.
Select the correct answer using the codes given below.
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With reference to laterite soil, consider the following statements:
1. They are the result of intense leaching.
2. They are poor in organic matter.
Which of the statements given above is/are correct?
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Monsoon in India is said to be essentially pulsating in nature. This means
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Deltas of eastern India are shrinking due to
1. huge amount of sediments being deposited.
2. groundwater mining.
3. construction of large dams.
Select the correct answer using the codes given below.
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With reference to International Date Line (IDL), consider the following statements:
1. A traveler crossing the IDL from east to west gains a day.
2. IDL is an imaginary straight line at 180 degree meridian.
Which of the statements given above is/are correct?
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Which of the following is/are examples of mountains of elevation?
1. Rockies
2. Himalayas
3. Andes
4. Alps
Select the correct answer using the codes given below.
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The lava cone of a volcano is having steep sloping sides. Which of these can be said about the volcano?
1. the lava must have been highly fluid.
2. it must have high silica content.
3. the volcano must have been explosive.
Select the correct answer using the codes given below.
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