NEET Biology question

Not in NEET syllabus

The following options relate to the diffusion of coloured molecules across a membrane. Select the correct statement, which shows the fastest rate of diffusion.

(A)An internal concentration of 15% and external concentration of 10%
(B)An internal concentration of 25% and external concentration of 50%
(C)An internal concentration of 50% and external concentration of 25%
(D)Both (b) and (c) show the fastest rate of diffusionCorrect

Answer: (D)

Solution

The rate of diffusion depends on the magnitude of the concentration difference, not its direction. Option (a) has a 5% difference, while

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Question ID VK-127658