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What are cnidoblasts ?...

What are cnidoblasts ?

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Cnidoblasts or nematoblasts are stinging cells found in cnidaria or coelenterata. Each of them bear a stinging cell organelle called nematocyst which is used in offence, defence and attachment of the animal.
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Knowledge Check

  • Cnidoblasts are

    A
    Flagellated cells
    B
    Collar cells
    C
    Provided with barbed thread
    D
    sex cells

  • In coelenterates, cnidoblasts occur inside

    A
    Gastrodermis
    B
    Mesogloea
    C
    Epidermis
    D
    All the above.

  • Which of the following is true about the cnidoblasts / cnidocytes?

    A
    They are present on tentacles and the body
    B
    They are used for anchorage, defence and for capture the prey
    C
    They contain stinging capsule or nematocysts
    D
    All

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