One of the special characters of coelenterata only is the occurrence of [CBSE PMT 1994; CPMT 1999; BHU 1999; MP PMT 2002]
A) Hermaphroditism
B) Flame cells
C) Polymorphism
D) Nematocysts
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nematocysts is the answer
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ANSWER:-
Option D) Nematocysts
Option D) Nematocysts
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