UPSC PRELIMS · GEOGRAPHY · NITROGEN FIXATION AND LEGUMES
Which of the following are nitrogen-fixing plants? 1. Alfalfa 2. Amaranth 3. Chickpea 4. Clover 5. Purslane (Kulfa) 6. Spinach. Select the correct answer using the code given below:
Take a breath. Choose one. Press A–D on your keyboard if you like.
EXPLANATION
Alfalfa, chickpea and clover are legumes associated with nitrogen-fixing bacteria; the other listed plants are not treated as nitrogen-fixing crops in this context.
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