Previous year MCQs

General science UPPSC 2021 GS-I
Question

Nitrogen is NOT an essential constituent of:

Answer & Solution

Answer: (Detailed Solution Below)

Option D: Carbohydrate

Detailed Solution:

The correct answer is “Carbohydrate”.
Nitrogen is an essential component of chlorophyll, RNA, and DNA. These molecules all contain nitrogenous bases, which are crucial for their structure and function. However, carbohydrates are primarily composed of carbon, hydrogen, and oxygen, and do not contain nitrogen.

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Code:
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