Hydra receives impulses and stimuli through [CBSE PMT 2000; AIIMS 2002 – McqOptions

MCQOPTIONS

1.	Hydra receives impulses and stimuli through [CBSE PMT 2000; AIIMS 2002]
A.	Nerve net
B.	Sensory cells
C.	Nematocytes
D.	All of these
Answer» E.

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