Geology UPSC PYQ 2018

56 questions from the UPSC 2018 examination. Showing a preview of 3 below — generate a full practice test to solve the rest.

3 questions

1Medium10 marks

Discuss the Precambrian-Cambrian boundary problem in the Indian geological context.

2Medium15 marks

Describe the different types of coastal landforms.

3Medium10 marks

Illustrate with neat sketches the formation of porphyritic and ophitic textures in gabbroic rocks using suitable binary phase diagram of pyroxene and plagioclase feldspar.

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