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Kingdom Animalia Metazoa - Questions and Answers

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216. Diploblastic animals occur in
A. Annelida
B. Porifera
C. Coelenterata
D. Both B and C
Explanation:
217. Which one is devoid of coelom
A. Platyhelminthes
B. Annelida
C. Arthropoda
D. Echinodermata
Explanation:
218. Body cavity lined by mesoderm is
A. Coelenteron
B. Blastocoel
C. Coelom
D. Pseudocoel
Explanation:
219. Coelom is cavity found between
A. Ectoderm and Endoderm
B. Mesoderm and Endoderm
C. Body wall and ectoderm
D. Mesoderm and body wall
Explanation:
220. In contrast to annelids, the platyhelminthes show
A. Absence of body cavity
B. Bilateral symmetry
C. Radial symmetry
D. Presence of pseudocoel
Explanation: