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Oceanography

21 questions in Geography.

Asked in 2024, 2022, 2020, 2015, 2014, 2013, 2012, 2010, 2006, 2004, 2002, 2001, 2000, 1999, 1997, 1995

With reference to the United Nations Convention on the Law of Sea, consider the following statements : 1. A coastal state has the right to establish the breadth of its territorial sea up to a limit not exceeding 12 nautical miles, measured from baseline determined in accordance with the convention. 2. Ships of all states, whether coastal or land-locked, enjoy the right of innocent passage through the territorial sea. 3. The Exclusive Economic Zone shall not extend beyond 200 nautical miles from the baseline from which the breadth of the territorial sea is measured. Which of the statements given above are correct ?

  1. (a)1 and 2 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(d) 1, 2 and 3

With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct ? 1. OMT is measured up to a depth of 26°C isotherm which is 129 meters in the south-western Indian Ocean during January – March. 2. OMT collected during January – March can be used in assessing whether the amount of rainfall in monsoon will be less or more than a certain long-term mean. Select the correct answer using the code given below :

  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(b) 2 only

Which one of the following statements is not correct?

  1. (a)Gulfs with narrow fronts and wider rears experience high tides
  2. (b)Tidal currents take place when a gulf is connected with the open sea by a narrow channel
  3. (c)Tidal bore occurs when a tide enters the narrow and shallow estuary of a river
  4. (d)The tidal nature of the mouth of the river Hooghly is of crucial importance to Kolkata as port
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Official answer(a) Gulfs with narrow fronts and wider rears experience high tides

Assertion (A): During the Neap Tides, the high tide is lower and the low tide is higher than usual. Reason (R): The Neap Tide, unlike the Spring Tide, occurs on the New Moon instead of on the Full Moon.

  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 a 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