Q. In cockroach, which of the following is the principal motor centre?
A) Supraoesophageal ganglia
B) Suboesophageal ganglia
C) Metathoracic ganglia
D) Abdominal ganglia
Explanation
Suboesophageal ganglia is related to the mandibular, maxillary and labial nerves. It is the principal motor centre in cockroach.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.