Excretory System · UPSC CDS/OTA · Question 20 of 30

Excretory System – Question 20

Step-by-step solution. Excretory System for UPSC CDS/OTA.

Topic
Excretory System
Subject
General Studies
Difficulty
Medium
Solve Time
45–60 sec

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Q · Excretory SystemMedium · 45s

Which vitamin deficiency can damage the kidney tubules?

TopicExcretory System
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min

Step-by-Step Solution

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Vitamin D is important for calcium balance. Deficiency may lead to kidney stones.

Final Answer: Option C — Vitamin D
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Excretory System Question 20 – UPSC CDS/OTA