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  4. Aquatic fern among the following is:

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Q. Aquatic fern among the following is:

NTA AbhyasNTA Abhyas 2020

Solution:

Salvinia is an aquatic fern with both annual (e.g., S. natans) and perennial species (e.g., S. molesta). The plant body consists of a floating stem bearing two rows of large green hairy leaves on the upper surface and highly branched leaf roots on the lower surface.