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In the structure of planet Earth, below the mantle, the core is mainly made up of which one of the following ?
Consider the following: 1. Electromagnetic radiation 2. Geothermal energy 3. Gravitational force 4. Plate movements 5. Rotation of the earth 6. Revolu
Contour bunding is a method of soil conservation used in
The correct answer is option (b): 2 only. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2014, GS Paper 1, as Question 42. It falls under Geography > Physical Geography & Geomorphology.
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
UPSC has asked 25 questions from Physical Geography & Geomorphology (under Geography) across multiple years. Visit the topic page to see the full list and year-wise trends.