Animal Kingdom Question 726
Question: Animal showing thigmotaxis is
[CPMT 2000]
Options:
A) Ascaris
B) Taenia
C) Fungia
D) Hydra
Show Answer
Answer:
Correct Answer: D
Solution:
Thigmotaxis is the response of an animal or living being towards a touch or physical contact stimulus.
Hydra has nerve net throughout the body which carries stimulus and gives a response when mouth comes in contact with food or other foreign particles.
When they come in contact with solid particle other than food they contract their body. So, the correct answer is option D.
BETA
