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Which of the following is correctly associated with nitrogen?

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Question ID #26719 UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC 2026 Full-Length Mock Test 3 Medium

Correct Answer: D. Most abundant gas in Earth's atmosphere
Nitrogen forms about 78 percent of Earth's atmosphere.

Question: Which of the following is correctly associated with nitrogen?

A. Ozone layer is concentrated mainly in

B. Genetic material in most organisms

C. Hormone that lowers blood glucose

D. Most abundant gas in Earth's atmosphere

Correct Answer: D. Most abundant gas in Earth's atmosphereNitrogen forms about 78 percent of Earth's atmosphere.

Which of the following is correctly associated with nitrogen? - MCQ Explanation

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Correct answer: D. Most abundant gas in Earth's atmosphere