Q. The nerve net of Hydra lacks
A) Neurons
B) Connections
C) Dendrites
D) Directions in impulse
Explanation
The nerve net of Hydra lacks directions in impulse. Never net of Hydra is unpolarized so that impulses can pass in all directions (diffuse transmission).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.