Which of the following is correct for the common cockroach?
Biology · Class 11 · CBSE — Structural Organisation in Animals
Which of the following is correct for the common cockroach?
- Malpighian tubules are excretory organs projecting out from the colon.
- Oxygen is transported by haemoglobin in blood.
- Nitrogenous excretory product is urea.
- The food is ground by mandibles and gizzard.
Answer
(D) The food is ground by mandibles and gizzard.
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