Coelenterata Ctenophora - Questions & Answers | Exam2Win

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61. Coelenterates are mostly

A. Asymmetrical

B. Radially symmetrical

C. Bilaterally symmetrical

D. Irregular

Explanation:

62. The largest nematocysts of Hydra are

A. Volvents

B. Penetrants

C. Atrichous isorhizas

D. Holotrichous isorhizas

Explanation:

63. Which one belongs to anthozoa?

A. Dugesia

B. Fungia

C. Aurelia

D. Stercularia

Explanation:

64. Hydra is

A. Fresh water, radial and diploblastic

B. Fresh water, biradial and triploblastic

C. Marine, radial and triploblastic

D. Marine, radial and diploblastic

Explanation:

65. In ectoderm of Hydra, bulk of cells are

A. Musculo-epithelial

B. Interstitial

C. Nematoblasts

D. Germ cells

Explanation: