Phylum Arthropoda - Questions & Answers | Exam2Win

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276. Lepidopleurus belongs to

A. Echinoidea

B. Cephalopoda

C. Asteroidea

D. Polyplacophora

Explanation:

277. Which one of the following is matching set of phylum and its three examples?

A. Porifera – Spongilla, Euplectella, Pennatula

B. Cnidaria – Bonellia, Physalia, Aurelia

C. Platyhelminthes – Planaria, Schistostoma, Enterobius

D. Mollusca – Loligo, Teredo, Octopus

Explanation:

278. Endoskeleton of echinoderms is made of

A. Silica

B. Lime

C. Chitin

D. Cartilage

Explanation:

279. Life history of Cockroach belongs to

A. Ametabola

B. Hemimetabola

C. Paurometabola

D. Holometabola

Explanation:

280. Digestion is external in

A. Echinus

B. Ophiothrix

C. Cucumaria

D. Asterias

Explanation: