Root does not help in the absorption of water in which of the following plant?

Root does not help in the absorption of water in which of the following plant?
  1. Pistia
  2. Pea
  3. Wheat
  4. Sunflower

Solution

In Pistia, roots are poorly developed as it is a free-floating hydrophyte. 
Hydrophytes are aquatic plants that have adapted to living in aquatic environments (saltwater or freshwater). These plants are also called macrophytes.

Asked in: NEET 2015 (Phase 2)

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