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  • Which of the following plants is generally used in agricu...
Multiple choice

Which of the following plants is generally used in agriculture as green fertilizer?

  1. Funaria

  2. Azolla

  3. Marsilea

  4. Pogonatum

  5. Selaginella

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Azolla (genus) is an aqueous fern which is capable of nitrogen fixation, so that it is used as a biofertiliser in agriculture.

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