Which of the following statements is correct regarding net diffusion

Asked by admin @ in Biology viewed by 293 People

Which of the following statements is correct about diffusion? a It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration. b It requires an expenditure of energy by the cell. c It is an active process in which molecules move from a region of lower concentration to one of higher concentration. d It is very rapid over long distances.

Answered by admin @


Ans.

Diffusion is defined as a spontaneous movement of molecules to a region of low concentration from the region of high concentration of those molecules. It does not involve use of energy and is a passive process. Diffusion is slow process that gets affected by distance as higher distance shows lower rate of diffusion.

Thus, the correct answer is 'option a).'


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