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Astronomy & Earth–Sun System

27 questions in Geography.

Asked in 2025, 2024, 2022, 2018, 2013, 2012, 2009, 2008, 2007, 2005, 2003, 2002, 2001, 2000, 1999, 1998

2025 · Q33GeographyAstronomy & Earth–Sun Systemmoderate

Consider the following statements : Statement I : Scientific studies suggest that a shift is taking place in the Earth’s rotation and axis. Statement II : Solar flares and associated coronal mass ejections bombarded the Earth’s outermost atmosphere with tremendous amount of energy. Statement III : As the Earth’s polar ice melts, the water tends to move towards the equator. 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(b) Both Statement II and Statement III are correct but only one of them explains Statement I

2018 · Q57GeographyAstronomy & Earth–Sun Systemmoderate

Consider the following statements : 1. The Earth’s magnetic field has reversed every few hundred thousand years. 2. When the Earth was created more than 4000 million years ago, there was 54% oxygen and no carbon dioxide. 3. When living organisms originated, they modified the early atmosphere of the Earth. Which of the statements given above is/are correct ?

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

2012 · Q85GeographyAstronomy & Earth–Sun Systemeasy

A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km east of the point where he was standing. He had no instruments to find the direction but he located the polestar. The most convenient way now to reach his village is to walk in the

  1. (a)direction facing the polestar
  2. (b)direction opposite to the polestar
  3. (c)direction keeping the polestar to his left
  4. (d)direction keeping the polestar to his right
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Official answer(c) direction keeping the polestar to his left

2005 · Q19GeographyAstronomy & Earth–Sun Systemmoderate

Consider the following statements : 1. The axis of the earth’s magnetic field is inclined at 23 ½° to the geographic axis of the earth. 2. The earth’s magnetic pole in the northern hemisphere is located on a peninsula in northern Canada. 3. Earth’s magnetic equator passes through Thumba in South India. Which of the statements given above is/are correct?

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

2005 · Q83GeographyAstronomy & Earth–Sun Systemmoderate

Assertion (A): The same face of the Moon is always presented to the Earth. Reason (R): The Moon rotates about its own axis in 23½ days which is about the same time that it takes to orbit the Earth.

  1. (a)Both A and R are individually true and R is the correct explanation of A
  2. (b)Both A and R are individually true but R is not the correct explanation of A
  3. (c)A is true but R is false
  4. (d)A is false but R is true
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Official answer(c) A is true but R is false