Question:

Aquatic fern is used to increase the yield in paddy crop:

Updated On: Mar 27, 2024
  • Azolla
  • Salvinia
  • Marsilea
  • Isoetes
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The Correct Option is A

Solution and Explanation

The aquatic fern used to increase the yield in paddy crops is Azolla. Azolla is a floating fern that can fix atmospheric nitrogen, providing a natural source of nitrogen to rice paddies.

So, the correct option is (A): Azolla

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