Question

Tube feet are characteristic of phylum

• A. Arthropoda
• B. Annelida
• C. Echinodermata
• D. Mollusca
• E. Nemathelminthes

Answer 1

The correct option is C Echinodermata

A) Jointed legs are a characteristic feature of Arthropoda. Tube feet are not present.

B) Internal and external segmentation is a characteristic feature of Annelida. Tube feet are not present.

C) All echinoderms have tube feet. So, it is a characteristic feature of Echinodermata.

D) Tube feet are not present in molluscs.

E) Nemathelminthes are pseudocoelomate roundworms. Tube feet are not present.

So the correct answer is 'Echinodermata'.