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प्रश्न
Draw a neat and labelled diagram.
Hydra
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उत्तर
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संबंधित प्रश्न
Give scientific reasons.
Our body irritates if it comes in contact with jelly fish.
Sketch, label and classify a butterfly.
Label the following.
Porifera : Asymmetrical : : Cnidaria : __________
Tentacles are used for capturing the prey.
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?
To which phylum we belong to, if we are marine/aquatic animals?
What is the use of cnidoblast for us?
How do we destroy the harmful insects?
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?
Real organs are absent in
Define the terms and give one example
Coelom
What is polymorphism?
Provide appropriate technical term in the space provided.
Free-floating form of cnidaria ______.
Name
An animal with cnidoblasts
Give an example for the following:
Animal, which exhibits alternation of generation
