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 · Respiratory System Medium · 45s
Which one of the following pairs is correctly matched?
TopicRespiratory 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.
Tidal volume is about 500 ml, exchanged during normal breathing. Vital capacity is the maximum air exhaled after maximum inspiration, so A is wrong.
Final Answer: Option B - Tidal volume – Volume of air exchanged during normal breathing