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Standard IX
Biology
Platyhelminthes
Excretory org...
Question
Excretory organs of flatworms are
A
Malpighian tubules
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B
Nephridia
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C
Protonephridia
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D
Nephron
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Solution
The correct option is
D
Protonephridia
Protonephridia are present in flatworms and they are the excretory organs of flatworms.
Protonephridia consists of many flame cells. Flame cells are functionally similar with kidney.
Their function is to regulate the osmotic pressure and maintain its ionic balance.
So, the correct answer is option C.
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