Q. Periplaneta has no respiratory pigment in its blood because
A) Air is conducted directly to the body tissues
B) It has haemocoelom
C) It has anaerobic respiration
D) It lacks blood cells in the blood
Explanation
In the blood of Periplaneta, there is no respiratory pigment because air is conducted directly to the body tissues.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.