Question

Which of the following is correctly stated as it happens in the common cockroach?

• A. The food is ground by mandibles and gizzard
• B. Malpighian tubules are excretory organs projecting out from the colon
• C. Oxygen is transported by hemoglobin in blood
• D. Nitrogenous excretory product is urea

Answer 1

The correct option is A The food is ground by mandibles and gizzard

The statement that is correct w.r.t to cockroach is: The food is ground by mandibles and gizzard.
Malpighian tubules are excretory organs projecting out from the rectum.
Oxygen is transported by hemolymph in the blood in the cockroach.
The nitrogenous product in the cockroach is uric acid.