Start learning →

How does diffusion differ from bulk flow?

AIt moves only against gradients
BIt does not need directed bulk motion
CIt only moves water molecules
DIt always needs a membrane
Answer & Solution
Correct answer: B. It does not need directed bulk motion
Diffusion occurs without directed bulk motion, unlike advection.
Practise this question with Quill — ICSE Class 10 →

Keep practising Plant Physiology

Browse all Plant Physiology questions for ICSE Class 10, or explore more Biology topics.

Start a Plant Physiology lesson →