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2023 · Q5GeographyPhysical Geography & Geomorphologymoderate

Which one of the following is the best example of repeated falls in sea level, giving rise to present-day extensive marshland?

  1. (a)Bhitarkanika Mangroves
  2. (b)Marakkanam Salt Pans
  3. (c)Naupada Swamp
  4. (d)Rann of Kutch
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Official answer(d) Rann of Kutch

2025 · Q25GeographyPhysical Geography & Geomorphologymoderate

Which of the following are the evidences of the phenomenon of continental drift? I. The belt of ancient rocks from Brazil coast matches with those from Western Africa. II. The gold deposits of Ghana are derived from the Brazil plateau when the two continents lay side by side. III. The Gondwana system of sediments from India is known to have its counterparts in six different landmasses of the Southern Hemisphere. Select the correct answer using the code given below.

  1. (a)I and III only
  2. (b)I and II only
  3. (c)I, II and III
  4. (d)II and III only
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Official answer(c) I, II and III

2025 · Q28GeographyPhysical Geography & Geomorphologymoderate

Consider the following statements : Statement I : In the context of effect of water on rocks, chalk is known as a very permeable rock whereas clay is known as quite an impermeable or least permeable rock. Statement II : Chalk is porous and hence can absorb water. Statement III : Clay is not at all porous. Which one of the following is correct in respect of the above statements?

  1. (a)Both Statement II and Statement III are correct and both of them explain Statement I
  2. (b)Both Statement II and Statement III are correct but only one of them explains Statement I
  3. (c)Only one of the Statements II and III is correct and that explains Statement I
  4. (d)Neither Statement II nor Statement III is correct
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Official answer(c) Only one of the Statements II and III is correct and that explains Statement I

2024 · Q7GeographyPhysical Geography & Geomorphologymoderate

Consider the following statements : Statement-I : Rainfall is one of the reasons for weathering of rocks. Statement-II : Rain water contains carbon dioxide in solution. Statement-III : Rain water contains atmospheric oxygen. Which one of the following is correct in respect of the above statements ?

  1. (a)Both Statement-II and Statement-III are correct and both of them explain Statement-I
  2. (b)Both Statement-II and Statement-III are correct, but only one of them explains Statement-I
  3. (c)Only one of the Statements II and III is correct and that explains Statement-I
  4. (d)Neither Statement-II nor Statement-III is correct
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Official answer(a) Both Statement-II and Statement-III are correct and both of them explain Statement-I

2023 · Q65GeographyPhysical Geography & Geomorphologymoderate

Consider the following statements : 1. In a seismograph, P waves are recorded earlier than S waves. 2. In P waves, the individual particles vibrate to and fro in the direction of wave propagation whereas in S waves, the particles vibrate up and down at right angles to the direction of wave propagation. Which of the statements given above is/are correct?

  1. (a)1 only
  2. (b)2 only
  3. (c)Both 1 and 2
  4. (d)Neither 1 nor 2
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Official answer(c) Both 1 and 2