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प्रश्न
Give scientific reason.
Our body irritates if it comes in contact with a jellyfish.
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उत्तर
- The mouth of jellyfish is surrounded by tentacles.
- The tentacles possess cnidoblasts which are used for capturing prey or for defense.
- When our body comes in contact with the tentacles of jellyfish, these cnidoblasts penetrate our skin as a defensive action.
- Cnidoblast injects the toxin in our body and thus, our body irritates if it comes in contact with jellyfish.
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संबंधित प्रश्न
Identify me.
I am diploblastic & acoelomate. Which phylum do I belong to?
Give scientific reason .
Our body irritates if it comes in contact with jelly fish.
Sketch, labell and classify Hydra .
Label the following.

Porifera : Asymmetrical : : Cnidaria : __________
Tentacles are used for capturing the prey.
How does the animal in the figure protect itself?

To which phylum we belong to, if we are marine/aquatic animals?
What is the use of cnidoblast for us?
Mesoglea is present in ______.
Real organs are absent in
Define the terms and give one example
Coelom
How is the body wall of coelenterates arranged?
Which of the following traits is not shared by both sea anemones and jelly fish?
Provide appropriate technical term in the space provided.
Free-floating form of cnidaria ______.
