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If protoplasts are placed in distilled water, they swell and burst as a result of endosmosis. The plot representing the kinetics of burst is
Correct Option: A
The plot of swelling of protoplasts and bursting during endosmosis when protoplasts are kept or placed in distilled water is a sigmoidal curve where number of intact protoplasts decrease with time. So, the plot is represented by graph in (a).