Solved UPSC CDS/OTA Question
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Q · Excretory SystemMedium · 45s
What is the functional unit of the kidney called?
TopicExcretory System
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The nephron is the microscopic structural and functional unit of the kidney that filters blood.
Final Answer: Option B - Nephron