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Coelenterata Ctenophora - Questions and Answers

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56. Special character of coelenterates/Hydra is
A. Hermaphroditism
B. Nematocysts
C. Polymorphism
D. Flame cells
Explanation:
57. The name Hydra was given by
A. Ellis
B. Aristotle
C. Linnaeus
D. Reaumur
Explanation:
58. Germ cells of Hydra are derived from
A. Ectoderm
B. Endoderm
C. Mesoderm
D. Mesogloea
Explanation:
59. Polymorphism occurs in
A. Anthozoa
B. Scyphozoa
C. Rhizopoda
D. Hydrozoa
Explanation:
60. Characteristic free swimming larva of coelenterates is
A. Onchosphere
B. Rhabditiform
C. Planula
D. Cysticercus
Explanation:
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