Aschelminthes Nemathelminthes - Questions & Answers | Exam2Win

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156. Which one is incorrect

A. Oligochaeta - Pheretima

B. Hirudinea - Hirudo

C. Nematoda - Ascaris

D. Polychaeta - Lumbricus

Explanation:

157. In male Ascaris, the anus and genital pore

A. Open into cloaca

B. Lie side by side

C. Lie at opposite ends

D. Are absent

Explanation:

158. In which group of animals, a closed circulatory system is present

A. Arthropoda

B. Mollusca

C. Nematoda

D. Annelida

Explanation:

159. Which one is hermaphrodite?

A. Ants

B. Earthworms

C. Aphids

D. Cockroach

Explanation:

160. Sea Mouse belongs to phylum

A. Chordata

B. Mollusca

C. Annelida

D. Echinodermata

Explanation: