Which of the following segments has photoreceptors in cockroach?

Head

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Abdomen

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Thorax

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None of the above

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Solution

The correct option is A Head
The photoreceptor is the receptor for light i.e., eye that is situated on the head. It is found on the epidermis of the integument in the cockroach. The eyes of cockroach are compound in nature. The visual units are known as ommatidia.
So, the correct answer is 'Head'.

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