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प्रश्न
What is the use of cnidoblast for us?
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उत्तर
Cnidoblasts which are used for capturing prey or for defense.
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संबंधित प्रश्न
Give scientific reason .
Our body irritates if it comes in contact with jelly fish.
How does the animal in the figure protect itself?
Give scientific reason.
Our body irritates if it comes in contact with a jellyfish.
To which phylum I belong to, if I have cnidoblast-bearing tentacles?
How do we destroy the harmful insects?
Draw a neat and labelled diagram.
Hydra
Mesoglea is present in ______.
Match the following.
| PHYLUM | EXAMPLES | ||
| (A) | Coelenterata | (i) | Snail |
| (B) | Platyhelminthes | (ii) | Starfish |
| (C) | Echinodermata | (iii) | Tapeworm |
| (D) | Mollusca | (iv) | Hydra |
What is nematocyst?
Why coelenterates are called diploblastic animals?
Define the terms and give one example
Coelom
Name the following:
A phylum with diploblastic animals.
Provide appropriate technical term in the space provided.
Stinging organ of jelly fishes ______.
Match the following:
| Animals | Locomotory Organ |
| a. Octopus | i. Limbs |
| b. Crocodile | ii. Comb plates |
| c. Catla | iii. Tentacles |
| d. Ctenoplana | iv. Fins |
Differentiate between polyp and medusa
Give an example for the following:
Animal, which exhibits alternation of generation
