Phylum Arthropoda - Questions & Answers | Exam2Win

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336. In Sea Cucumber, the side in contact with substratum is

A. Anal

B. Oral

C. Lengthwise ventral

D. None of the above

Explanation:

337. Which echinoderm does not possess arms?

A. Asterias

B. Echinocardium

C. Ophiura

D. Astropecten

Explanation:

338. Attaching structures of Sea Lily are known as

A. Cirri

B. Tentacles

C. Rhizines

D. Holdfasts

Explanation:

339. Evisceration is characteristic of

A. Cucumaria

B. Echinus

C. Echinoarachinus

D. Neometra

Explanation:

340. Organisation present in echinodermata is

A. Cell tissue level

B. Tissue level

C. Organ level

D. Organ system level

Explanation: