Part of nematoblast, which does not allow the capsule of nematocyst to come out is
A
Cnidocil
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B
Lasso
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C
Stiletto
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D
Febrile
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Solution
The correct option is B Lasso The main function of nematoblast is offense and defense but are helpful in locomotion and food capturing. The cell is cup-shaped and contains the nucleus, cytoplasm and contractile fibers. Cnidocil (9+2) is present to receive stimulus. The cell is attached to the epidermis by lasso, which prevents the capsule of nematocyst from coming out.