Animal Kingdom Question 721
Question: In ectoderm of Hydra, bulk of cells are
[AMU 2000]
Options:
A) Musculo-epithelial
B) Interstitial
C) Nematoblasts
D) Germ cells
Show Answer
Answer:
Correct Answer: A
Solution:
The ectoderm of hydra have musculo-epithelial cells, The epidermis consists of vacuolated musculo-epithelial cells containing muscle threads (myonemes).
These muscle threads attach to the mesogleal plate, when they are contracted, the Hydra’s body shortens.
So, the correct answer is ‘Musculo-epithelial’.
BETA
