Structural Organisation In Animals Question 81

Question: Cockroach blood does not contain respiratory pigment. It means:

Options:

A) it does not respire.

B) cockroach respires anaerobically.

C) oxygen passes to all the tissues through diffusion.

D) oxygen reaches tissue through tracheoles.

Show Answer

Answer:

Correct Answer: A

Solution:

[a] All body tissue receive oxygen directly through tracheoles.