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Topic

Earth rotation

Asked 2 times in CDS, peaking in 2015.
2
PYQs
1
Exams
1
Years active
2015–2015
Span
2015
Peak
2/2
Answers
📅 Full chronological timeline →

Key insights

  • Most tested in CDS — 2 of 2 PYQs
  • Most asked in 2015
  • Recurs across 1 years (2015–2015)

Across exams

CDS · 2

How the concept evolved

215
Largely a pre-2016 idea — watch for a comeback.

Related concepts

Ideas UPSC tests alongside this one — keep exploring.
Tides ×1

Sample questions

You've seen the pattern — here are a few of the actual PYQs.
CDS2015
Statement ITides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and Sun, and the rotation of the Earth
Statement IIEarth rotates from the West towards the East in 24 hours with respect to the Sun
  1. A Both the statements are individually true and Statement II is the correct explanation of Statement I.
  2. B Both the statements are individually true, but Statement II is not the correct explanation of Statement I. ✓
  3. C Statement I is true, but Statement II is false.
  4. D Statement I is false, but Statement II is true.
✓ Correct answer: (B)
Geography › Oceanography
CDS2015

The Earth without rotational movement would result into

  1. no sun-rise and sun-set
  2. no occurrence of day and night cycle
  3. only one season

Select the correct answer using the code given below

  1. A 1 only
  2. B 1 and 2 only ✓
  3. C 2 and 3 only
  4. D 1, 2 and 3
✓ Correct answer: (B)
Geography › Climatology

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