Coelenterata Ctenophora - Questions & Answers | Exam2Win

Take a timed mock test specifically for Coelenterata Ctenophora.

46. The smallest cnidoblast in the body of Hydra is

A. Penetrant

B. Volvent

C. Atrichous isorhiza

D. Holotrichous isorhiza

Explanation:

47. Hydra is

A. Monoblastic

B. Diploblastic

C. Triploblastic

D. Tetrablastic

Explanation:

48. Gastrodermis of Hydra takes part in digestion of

A. Carbohydrates and fats

B. Proteins and fats

C. Proteins, fats and some carbohydrates

D. Proteins and carbohydrates

Explanation:

49. Precious Red Coral is/Coral used in ornaments is

A. Astraea

B. Fungia

C. Corallium

D. Tubipora

Explanation:

50. Hypnotoxin is produced by

A. Sponges

B. Bath sponge

C. Nematocysts

D. Leucosolenia

Explanation: