First slide

Means of Transport

Question

Which of the following is not a feature of diffusion?

Easy

A

It takes place from a region of high concentration of a substance to a region of low concentration of the same substance.
B

It does not require expenditure of energy.
C

It is not influenced by hormones.
D

It does not occur through plasma membrane.

Solution

Diffusion may be shown by plasma membrane as gases diffuse through the cell membrane of mesophyll cells. Organic solvents also diffuse through cell membrane. It is seen in living as well as non-living systems.

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