Animal Kingdom Question 335
Question: Cell-tissue organisation occurs in
[CBSE PMT 2000]
Options:
A) Liver fluke
B) Sponge
C) Hydra
D) Starfish
Show Answer
Answer:
Correct Answer: C
Solution:
Hydra is a genus of small, fresh water organisms of the phylum inidaria and class hydrozoa.
Hydra has reached the tissue grade of organization, but it takes organs.
It consists of a tube about 5mm long formed by two epithelial layers.