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Around the mouth of a cnidarian, the tentacles bear cells that inject toxin into prey. These cells are called:
AOssicles
BCollar cells
CCnidoblasts
DSpicules
Answer & Solution
Correct answer: C. Cnidoblasts
1. Cnidarian tentacles carry stinging cells around the mouth.
2. These toxin-injecting cells are cnidoblasts.
3. Rule out collar cells: those belong to sponges (Porifera).
4. Ossicles and spicules are skeletal structures, not stinging cells.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 6 "Animal Classification", p.76_
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