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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 by haemoglobin in blood.

C

Nitrogenous excretory product is urea.

D

The food is grinded by mandibles and gizzard

Text Solution

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The correct Answer is:
D
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