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प्रश्न
What is nematocyst?
एका वाक्यात उत्तर
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उत्तर
The stinging cells present at tentacles of aquatic animals like jelly fish, hydra, etc in phylum coelenterata is called nematocyst (cnidoblast)
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संबंधित प्रश्न
Label the following.
Tentacles are used for capturing the prey.
What is the use of cnidoblast for us?
Draw a neat and labelled diagram.
Hydra
State whether true or false. If false, correct the statement.
Canal system is seen in coelenterates.
Match the following.
| PHYLUM | EXAMPLES | ||
| (A) | Coelenterata | (i) | Snail |
| (B) | Platyhelminthes | (ii) | Starfish |
| (C) | Echinodermata | (iii) | Tapeworm |
| (D) | Mollusca | (iv) | Hydra |
Why coelenterates are called diploblastic animals?
How is the body wall of coelenterates arranged?
Which of the following traits is not shared by both sea anemones and jelly fish?
Differentiate between polyp and medusa
