(i) it gains water due to osmosis.
(ii) it loses water due to reverse osmosis.
(iii) it gains water due to reverse osmosis.
(iv) it loses water due to osmosis.
Correct Answer: (iv) it loses water due to osmosis
Explanation: The unripe mango which is placed in the concentrated salt solution to prepare pickle shrivels because of the loss of water that happens in the fruit because of osmosis.