Phylum Arthropoda - Questions & Answers | Exam2Win

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311. Radial symmetry of echinoderms is

A. Primary

B. Secondary

C. Biradial

D. Triradial

Explanation:

312. In crustacea excretion is by

A. Malpighian tubules

B. Kidneys

C. Nephridia

D. Antennary/green glands

Explanation:

313. A common Star Fish is

A. Pentaceros

B. Astropecten

C. Neometra

D. Ophiothrix

Explanation:

314. An echinoderm that resembles a small herbaceous plant is

A. Holothuria

B. Antedon

C. Salmacis

D. Echinus

Explanation:

315. Star Fish is

A. Flat and radiate

B. Globular and radiate

C. Cylindrical with repeatedly branched tentacles

D. Like a spiny ball

Explanation: