The taste receptors of cockroach are

Compounds eyes

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Companiform sensillae

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Palps of maxillary and labium

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Tactile hairs

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Solution

The correct option is A Palps of maxillary and labium
The mouthparts of the cockroach are provided with taste receptors or chemoreceptors.
These are mainly confined to the tips of maxillary palps, labial palps, labium, and hypopharynx.
Campaniform sensilla is a class of mechanoreceptors found in the exoskeleton of insects and responds to stress and torsion of the same.
Compound eyes are involved in vision, not taste.
Cockroach legs have several tactile receptors on each leg that respond to touch.

Thus, the correct answer is option C.

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Which of the following statements is correct about receptors?

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(b) Both gustatory and olfactory receptors detect smell
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