Animal Kingdom Question 680
Question: Which of the following animals has a nervous system but no brain [CBSE PMT 2002; BVP 2002]
Options:
A) Pheretima
B) Hydra
C) Amoeba
D) Periplaneta
Show Answer
Answer:
Correct Answer: B
Solution:
Hydra possesses a very primitive nervous system consisting of a synaptic network of bipolar and multipolar nerve cells.
Thus, hydra has a nervous system but no brain.
BETA
