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WBCS Preliminary Examination 2022 — General Studies · Question 133 of 200

Q133
General ScienceBiology
Which of the following is an aquatic fern?
  1. a.Adiantum
  2. b.Dryopteris
  3. c.Salvinia
  4. d.Equisetum

Answer: (C) Salvinia

Salvinia is a genus of free-floating aquatic ferns. It grows on the surface of water and is common in ponds, lakes, and slow-moving rivers. Adiantum (maidenhair fern) and Dryopteris grow in moist terrestrial habitats, while Equisetum (horsetail) grows in damp soil.

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