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प्रश्न
How do we destroy the harmful insects?
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उत्तर
Tentacles are useful for capturing the prey, whereas cnidoblasts penetrate the skin as a defensive action and inject toxins into the body of the harmful insects thus destroying them.
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संबंधित प्रश्न
Tentacles are used for capturing the prey.
The body of the animal in which phylum is radially symmetrical and diploblastic?
To which phylum does it belong, if I have a sting to prick?
What is the use of cnidoblast for us?
What is nematocyst?
Real organs are absent in
Define the terms and give one example
Coelom
______ are diploblastic.
Name the following:
A phylum with diploblastic animals.
What is polymorphism?
Alternation of generations in Coelenterata is known as
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 ______.
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
