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Topic

Earth's crust

Asked 2 times in NDA over 4 years (2022–2026), peaking in 2022.
2
PYQs
1
Exams
2
Years active
2022–2026
Span
2022
Peak
2/2
Answers
📅 Full chronological timeline →

Key insights

  • Most tested in NDA — 2 of 2 PYQs
  • Most asked in 2022
  • Recurs across 2 years (2022–2026)

Across exams

NDA · 2

How the concept evolved

122
126
Rising — more than half its appearances (2 of 2) are since 2016.

Sample questions

You've seen the pattern — here are a few of the actual PYQs.
NDA2026

Consider the following statements regarding the Earth's crust

  1. The continental crust is thinner under fold mountains
  2. The mean thickness of ocean crust is 30 km
  3. The Earth's crust is brittle in nature

Which of the statements given above is/are correct?

  1. A I only
  2. B I and II
  3. C III only ✓
  4. D I and III
✓ Correct answer: (C)
Geography › Geomorphology
NDA2022

Which of the following statements is/are correct?

  1. The Earth's crust is brittle in nature
  2. The mean thickness of the oceanic crust is 15 km, whereas that of the continental crust is around 30 km

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
✓ Correct answer: (A)
Geography › Geomorphology

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