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Question

Which among these is not involved in excretion in cockroaches?

A
Malpighian tubules
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B
Nephrocytes
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C
Urecose glands
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D
Maxillary palps
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E
Fat body
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Solution

The correct option is D Maxillary palps
Excretion in a cockroach is performed by fine hair like yellow coloured tubules called Malpighian tubules. In addition to these tubules, fat body, nephrocytes, cuticle and uricase glands also aid in excretion. Whereas the maxillary palps are sensory in function.
So, the correct answer is 'Maxillary palps'.

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