The process by which the plants make food is photosynthesis. This is done in order to produce carbohydrates which is in the form of glucose when formed.
The potato is stored form of starch in the plant body. The sugars in the plants is first used then it is stored in the plant body for further use.
The starch in the plant body is stored at different places in the plant body. In the roots, stems and flowers.
All these were in the form of sugar in the plant body just after photosynthesis.
