7th Class Science Nutrition in Plants

  • question_answer 18)
    How would you test the presence of starch in leaves?

    Answer:

    Presence of starch in leaves can be tested by iodine test. Iodine turns starch solution into blue-black colour. Pour few drops of dilute iodine solution on the boiled leaf. The leaf becomes blue-black which proves the presence of starch in it. The starch is a carbohydrate.


You need to login to perform this action.
You will be redirected in 3 sec spinner