Question

The characteristic feature of Ctenophora is

• A. Presence of eight comb plates for locomotion
• B. Absence of nematocysts
• C. Presence of colloblasts of lasso cells on the tentacles for capturing food
• D. All of the above

Answer 1

The correct option is D All of the above

Ctenophora is a phylum of animals that live in marine waters. The outer surface bears usually eight comb rows. This is called as comb plates or swimming-plates, which are used for swimming. Ctenophora lack stinging nematocysts. Lasso cells are kind of defensive and offensive stinging cells. These are found in great numbers in all coelentrates.

Thus, the correct answer is option D.