Phylum Arthropoda - Questions & Answers | Exam2Win

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341. Perforated surface plate of water vascular system is

A. Stone canal

B. Madreporite

C. Ring canal

D. Ossicle

Explanation:

342. Cuvierian glands are connected with

A. Respiratory tree of Sea Cucumber

B. Aristotle’s lantern

C. Eversible stomach of Star Fish

D. Aboral surface of Sea Lily

Explanation:

343. Which is not characteristic of echinoderms

A. Endodermal skeletal system

B. Bilateral symmetry

C. Free floating larva

D. Water vascular system

Explanation:

344. Which one occurs in echinodermata

A. Bilateral symmetry

B. Radial symmetry

C. Porous body

D. Soft skin

Explanation:

345. Which is unmatching group?

A. Sea Pen, Sea Fan, Coral, Swimming Bell

B. Cuttle Fish, Shell Fish, Devil Fish and Sea Squid

C. Sea Star, Sea Urchin, Sea Anemone and Sea Cow

D. Globe Fish, Bat Fish, Gold Fish and Pipe Fish

Explanation: