Question

Explain the presence of starch in the piece of potato with the help of an experiment

Answer 1

ANSWER:-

According to the observation the food sample or the potato slice turned to blue-black on adding the iodine solution. This proves the presence of starch in the given plant source. This was a simple experiment which is used to check for the presence of starch.

Answer 2

Answer:

Materials Required Knife,Spatula,Porcelain tile.Iodine solution,Food sample – Potato or any other vegetables or fruits.

Procedure:Take a fresh Potato which is washed, cleaned and dried.Peel off the skin of the potato.Cut the potato into small cubes or slices.With the help of clean and dried Spatula, place the potato samples on the clean and dried porcelain tile.Add 2 to 3 drops of dilute iodine solution on the potato samples.Keep the slide undisturbed and observe the changes.

Result:According to the observation the food sample or the potato slice turned to blue-black on adding the iodine solution. This proves the presence of starch in the given plant source