NEET Biology question

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

(A)Oxygen is transported by haemoglobin in blood
(B)Nitrogenous excretory product is urea
(C)The food is ground by mandibles and gizzardCorrect
(D)Malpighian tubules are excretory organs projecting out from the colon

Answer: (C)

Solution

In cockroach, ingested food is first chewed by the mandibles and then further ground in the muscular gizzard. Oxygen is delivered directly to tissues through the tracheal system, not

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-106062