The structure responsible for excretion of wastes in planaria is
A
Flame cell
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B
Ocelli
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C
Nephridiopore
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D
Pharynx
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Solution
The correct option is D Flame cell
A flame cell is a specialized excretory cell found in the simplest freshwater invertebrates, including flatworms (Platyhelminthes), rotifers and nemerteans. they have a tuft of cilia which continuously beats to clear the nitrogenous waste which gives an appearance of burning flame.