Phylum Arthropoda - Questions & Answers | Exam2Win

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176. The two valves of Unio are hinged

A. Dorsally

B. Ventrally

C. Anteriorly

D. Posteriorly

Explanation:

177. Nautilus occurs in its shell in

A. First chamber

B. All chamber

C. Last chamber

D. Partly in first chamber and partly outside

Explanation:

178. Land Snail is

A. Cypraea

B. Helix

C. Limax

D. Pila

Explanation:

179. A characteristic feature of scorpions is

A. 4 pairs of walking legs

B. Vivipary

C. Chelicerae

D. Pedipalpi

Explanation:

180. Siphonopoda is the other name of

A. Pelecypoda

B. Cephalopoda

C. Scaphopoda

D. Gastropoda

Explanation: