UPSC 2015 › Geography › Oceanography

2 questions · 2015 · answers as per the UPSC key

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All years of Oceanography · Full UPSC 2015 paper
UPSC 2015 · Q14 · Geography › Oceanography · Save

What explains the eastward flow of the equatorial counter-current?

(a) The Earth's rotation on its axis
(b) Convergence of the two equatorial currents
(c) Difference in salinity of water
(d) Occurrence of the belt of calm near the equator
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Answer: (b) Convergence of the two equatorial currents
UPSC 2015 · Q70 · Geography › Oceanography · Save

Tides occur in the oceans and seas due to which among the following?

  1. Gravitational force of the Sun
  2. Gravitational force of the Moon
  3. Centrifugal force of the Earth

Select the correct answer using the code given below.

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
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Answer: (d) 1, 2 and 3