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Which of the following is correct for th...

Which of the following is correct for the common cockroach ?

A

Malpighian tubules are excretory organs projecting out from the colon

B

Oxygen is transported haemoglobin in blood

C

Nitrogenous excretory products is urea

D

The food is ground by mandibles and gizzard.

Text Solution

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The correct Answer is:
D
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