Answer: The correct answer is-
In potatoes with higher natural sugar concentration, water will diffuse into them as water flows from solution with low solute ( that is hypotonic) to higher solute concentration ( that is to hypertonic solution). Due to this, they will gain weight ( due to water gain).
On the contrary, in potatoes with lower natural sugar concentration, water will diffuse outside the potato. Due to this, they will lose weight ( due to water loss).
Water potential is a measure of how freely molecules of water can move in a particular system or environment. This means that higher is the concentration difference, more will be the water potential.