Previous year MCQs

General science UPPSC 2001 GS-I
Question

Assertion (A): Woollen clothes keep us warm.
Reason (R): Wool fibres are made of a particular protein which is a bad conductor of heat.

Select the correct answer using the codes given below:

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Both A and R are true and R is the correct explanation of A

Detailed Solution:

The correct answer is “Both A and R are true and R is the correct explanation of A”.
Woollen clothes are known for their ability to provide warmth. Wool fibers are primarily composed of a protein called keratin. Keratin has properties that contribute to wool being a poor conductor of heat.

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List I [Product] - List II [Source]

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