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Identify the correct statements related to cockroach.
a) Exchange of gases takes place at trachea by diffusion.
b) Malpighian tubules are lined by glandular and ciliated cells.
c) Mosaic vision is characterised by less sensitivity and more resolution.
d) Fertilisation is internal and development is paurometabolous.

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a, b, c

b, d

b, c, d

a, b, d

answer is D.

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Detailed Solution

In cockroach gaseous exchange occurs at tracheoles.

Mosaic vision is characterised by more sensitivity and less resolution.

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