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The Fundamental Unit of Life — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life2 Marks
Question
Give an example of diffusion across plasma membrane.
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Answer

In amoeba, oxygen $\left(\mathrm{O}_2\right)$ enters the cell by the process of diffusion when the level or concentration of $\mathrm{O}_2$ inside the cell decreases.

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