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Kingdom Animalia Metazoa - Questions and Answers

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201. Fixed organisms generally possess
A. Asymmetrical body
B. Radial symmetry
C. One single opening of digestive canal
D. Cilia on the surface to create water current
Explanation:
202. Coelom is cavity between alimentary canal and body wall enclosed by
A. Ectoderm and endoderm
B. Mesoderm and ectoderm
C. Ectoderm on both sides
D. Mesoderm on both sides
Explanation:
203. Animals/organisms floating on the surface of water are
A. Plankton
B. Pelagic
C. Benthon
D. Neritic
Explanation:
204. Coelom produced by splitting of mesoderm is
A. Hydrocoel
B. Enterocoel
C. Schizocoel
D. None of the above
Explanation:
205. Bottom dwelling animals constitute
A. Plankton
B. Nekton
C. Tripton
D. Benthos
Explanation:
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