Phylum Arthropoda - Questions & Answers | Exam2Win

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251. The larvae of Echinodermates are

A. Trochophore and Auricularia

B. Bipinnaria and Brachiolaria

C. Radia and Cercaria

D. Miracidium and Cysticerci

Explanation:

252. Correctly matched set of phylum, class and example is

A. Mollusca – Bivalvia - Pinactada

B. Protozoa – Mastigophora - Entamoeba

C. Chordata – Cyclostomata - Phrynosoma

D. Arthropoda – Diplopoda - Scolopendra

Explanation:

253. Similarity between echinoderms and chordates is

A. Deuterostomatic tube-within-a-tube plan

B. Protostomatic tube-within-a-tube plan

C. Water vascular system

D. Kidneys

Explanation:

254. In Echinodermata locomotion is by means of

A. Muscles

B. Feet

C. Ambulacral system

D. None of the above

Explanation:

255. Coelom of animals commonly known as tooth shells originates

A. By enterocoelic method

B. By schizocoelic method and filled with coelomic fluid

C. By splitting of embryonic mesoderm and filled with blood

D. From blastocoel

Explanation: