question_answer

  If cells of onion peel and RBCs are separately kept in hypotonic solution. What among the following will take place? Explain the reason for your answer. (i) Both the cell will swell (ii) RBC will burst easily, while cells of onion peel resist the bursting to some extent. (iii) and (b) both are correct (iv) RBC and onion peel cell will behave similarly.       

Answer:

                  (iii) Onion peel has cell wall and RBC does not have cell wall. Thus, RBC will burst as there is no mechanism to restrict entry of water into them. But due to presence of cell wall onion peel does not burst as cell wall is rigid.         (3)