ICSE Class 8 Biology Question 5 of 8

Transport of Food and Minerals in Plants — Question 2

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Question 2

Osmosis and Diffusion

Answer
Sl.
No.
OsmosisDiffusion
1.The movement of water molecules through a semi-permeable membrane from an area of its higher concentration to an area of its lower concentration is called Osmosis.The movement of salt or mineral molecules from a region of their higher concentration to a region of their lower concentration is called Diffusion.
2.It takes place only in a liquid medium.It takes place in any medium such as solid, liquid and gas.
3.It requires a semi-permeable membrane.It does not require any semi-permeable membrane.
4.It is a slow process.It is comparatively a faster process in gases, slow in liquids.