Which of the following are nitrogen-fixing plants? 1. Alfalfa 2. Amaranth 3. Chickpea 4. Clover 5. Purslane…

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:
  1. 1, 3 and 4 only
  2. 1, 3, 5 and 6 only
  3. 2, 4, 5 and 6 only
  4. 1, 2, 4, 5 and 6

Solution

Alfalfa, Chickpea and Clover are leguminous (Fabaceae) nitrogen-fixing plants. Amaranth, Purslane and Spinach are not nitrogen fixers.

Asked in: UPSC Prelims 2022

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