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Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide?
48. 49, Which of the following are nitrogen-fixing plants ? Alfalfa Amaranth Chickpea Clover Purslane (Kulfa) Spinach Select the correct answer using
The correct answer is option (a): Ant. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2022, GS Paper 1, as Question 90. It falls under Environment & Ecology > Ecosystems & Ecology Concepts.
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
UPSC has asked 48 questions from Ecosystems & Ecology Concepts (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.