Phylum Arthropoda - Questions & Answers | Exam2Win

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151. A cephalopod with an external shell is

A. Sepia

B. Nautilus

C. Loligo

D. Octopus

Explanation:

152. Siphuncle is also known as

A. Oral arm

B. Living tube

C. Hectocotylised tentacle

D. Siphon

Explanation:

153. Class of mollusca in which head, tentacles and eyes are not differentiable is

A. Gastropoda

B. Pelecypoda

C. Cephalopoda

D. Both A and B

Explanation:

154. Teredo is a

A. Bivalve

B. Gastroped

C. Scaphopod

D. Siphonopod

Explanation:

155. Teredo is called

A. Elephant’s Tusk shell

B. Slug

C. Temple shell

D. Shipworm

Explanation: