alleryFlame cells are otherwise known as:
APyrenephridia
BProtonephridia
CPhotonephridia
DPhagonephridia
Answer & Solution
Correct answer: B. Protonephridia
1. The animal kingdom shows a variety of excretory structures.
2. Protonephridia are also called flame cells.
3. They are chiefly concerned with ionic and fluid volume regulation.
_Source: syllabus Biology, Ch 19 'Excretory Products and their Elimination'_
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