Question

In the members of class Scyphozoa,

• A. Polyp stage is well developed.
• B. Polyp stage is reduced.
• C. Medusa stage is absent.
• D. Medusa stage is reduced.

Answer 1

Answer: (B)

Polyp stage is reduced.

The Scyphozoa are a class within the phylum Cnidaria, sometimes called as 'true jellyfishes'.
In this class Scyphozoa, the medusa stage is dominant, and the polyp stage may or may not be present, depending on the family.
Therefore, the correct answer is option B.