Question

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Describe the passive and active transport of substances across the cell membrane with the help of anyone suitable example.
carries 3 marks
Class 11 CBSE

Answer 1

Answer:

Active transport :

Transport of subtances against the concentration gradient through cell membrane , with the help of energy.

eg Na/k pump.

Passive transport:

Transport of substance from higer concentration to lower concentration without using energy through cell membrane.

eg transport of water molecule.