Question

If cells of onion peel and RBC are separately kept in hypotonic solution, what will happen?

Answer 1

If onion cells are kept in hypotonic solution then water will enter into the cell by the process of osmosis and cell will swell up because of water.

Same case will be done in RBCs :)

Answer 2

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If the cells of onion peel and RBCs are separately kept in hypotonic solution, both the cells will swell. RBCs will burst easily while cells of onion peel will resist the bursting to some extent. ... Thus, RBCs will burst as there is no mechanism to restrict the entry of water into them