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 · Tissuesmedium · 45s
Facilitated diffusion differs from simple diffusion in that it:
TopicTissues
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.
Facilitated diffusion relies on membrane proteins (channels or carriers) to transport polar or large molecules down their gradient without energy input, whereas simple diffusion occurs directly through the lipid bilayer.
Final Answer: Option B - Uses transport proteins