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प्रश्न
Porifera : Asymmetrical : : Cnidaria : __________
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उत्तर
Porifera : Asymmetrical : : Cnidaria : Radially symmetrical
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संबंधित प्रश्न
Give scientific reason .
Our body irritates if it comes in contact with jelly fish.
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?
What is the use of cnidoblast for us?
How do we destroy the harmful insects?
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 |
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.
Alternation of generations in Coelenterata is known as
What is metagenesis? Mention an example which exhibits this phenomenon.
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
Name
An animal with cnidoblasts
