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Question
Biology
Which of the following is correct about protonephridia / flame cells?
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Q. Which of the following is correct about protonephridia / flame cells?
Excretory Products and their Elimination
A
Protonephridia are the excretory structures in platyhelminthes (e.g Planaria), rotifers and some annelids
4%
B
Protonephridia are the excretory structures in the cephalochordates e.g. Amphioxus
3%
C
Protonephridia are primarily concerned with ionic and fluid volume regulation i.e. osmoregulation
4%
D
AII
89%
Solution:
Correct answer is (d) AII