9th Class Science The Fundamental Unit of Life Question Bank MCQs - The Fundamental Unit of Life

  • question_answer
    Diffusion is the process in which substance move from region of ....(A)… concentration to a region of ...(B)...concentration.

    A) (A)-low,(B)-high

    B) (A)-high,(B)-low

    C) (A)-low,(B)-low                          

    D) (A)-high,(B)-high

    Correct Answer: B

    Solution :

    [b] The spontaneous movement of a substance from a region of high concentration to a region where its concentration is low is done by the process of diffusion.


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