Solved UPSC CDS/OTA Question
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Q · Excretory Systemmedium · 45s
Which of the following is not part of tubular reabsorption?
TopicExcretory System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Urea excretion is a component of tubular secretion and filtration rather than reabsorption. Some urea is passively reabsorbed, but net excretion remains positive.
Final Answer: Option C - Urea excretion