Excretory System · UPSC CDS/OTA · Question 17 of 30

Excretory System – Question 17

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

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

Solved UPSC CDS/OTA Question

A solved UPSC CDS/OTA PYQ — decoded step-by-step.

Solve it the standard way once — then learn the shortcut.

Q · Excretory SystemMedium · 45s

Renin is secreted by the kidneys mainly:

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

Step-by-Step Solution

The complete worked solution.

Every step explained — no skipped algebra.

Renin regulates blood pressure by activating the angiotensin system.

Final Answer: Option B — Maintains blood pressure
Solve Question✦ Build Plan
Excretory System Question 17 – UPSC CDS/OTA