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 · Nervous Systemmedium · 45s
The ventricular system in the brain produces and circulates:
TopicNervous 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.
The choroid plexus within brain ventricles secretes CSF, which circulates through ventricles and subarachnoid space, cushioning the CNS and maintaining chemical stability.
Final Answer: Option B - Cerebrospinal fluid (CSF)