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Which of the following is correct for th...

Which of the following is correct for the common cockroach ?

A

Nitrogeneous excretory products is urea

B

Food is grind by mandibles and gizzard

C

Malpighian tubules are excretory organs that project out from coelom

D

Oxygen is transported by haemoglobin in blood

Text Solution

Verified by Experts

The correct Answer is:
B
In cockroach:
(a) Nitrogeneous excretory products is uric acid.
(b) Food is grind by mandibles and gizzard.
(c) Malpighian tubules are excretory organs that project out from junctions of midgut and hindgut.
(d) Oxygen is not transported by blood.
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