Question

Which among the following is a rootless plant?

• A. Nymphaea
• B. Sagittaria
• C. Ceratophyllum
• D. Vallisneria

Answer 1

The correct option is C Ceratophyllum

Nymphaea, Sagittaria, Ceratophyllum and Vallesneria are hydrophytes which grow in water. Nymphea, Sagittaria and Vallisnaria are rooted hydrophytes while Ceratophyllum is a submerged floating hydrophyte. It remains completely under water but is not rooted in mud. Ceratophyllum is a cosmopolitan genus of flowering plants, commonly found in ponds, marshes, and quiet streams in tropical and in temperate regions.

Therefore, the correct answer is option C.