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Question

Physiologically, the heart of cockroach is

A
Neurogenic
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B
Myogenic
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C
Epigenic
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D
Agenic
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Solution

The correct option is A Neurogenic
A neurogenic heart requires nervous input to contract as against myogenic heart which requires muscles. Cockroaches and crustaceans have cardiac ganglion which is a cluster of neurons on the heart wall and produces rhythmic motor output for the heartbeat.
So, the correct answer is 'Neurogenic'

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