Coelenterata Ctenophora - Questions & Answers | Exam2Win

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146. Germ cells of Hydra are

A. Ectodermal

B. Mesodermal

C. Endodermal

D. None of the above

Explanation:

147. Which is free swimming stage in the life history of Fasciola?

A. Miracidium

B. Sporocyst

C. Redia

D. None of the above

Explanation:

148. Parasitic adaptation of flatworms is

A. Anaerobic respiration

B. Secretion of antienzymes

C. Resistant covering, cuticle or integument

D. All the above

Explanation:

149. Animals belonging to platyhelminthes are also called flat worms because

A. Their head is flat

B. They have dorsoventrally compressed body

C. They creep over the surface

D. The alimentary canal is flattened

Explanation:

150. Structures for attachment present over rostellum of Tapeworm are

A. Suckers

B. Spines

C. Hooks

D. Barbs

Explanation: