7th Class Science Nutrition in Plants Question Bank Nutrition in Plants

  • question_answer
    A plant was kept in a dark room for a week. When its leaves were tested with iodine solution, it did not show the presence of starch. From this experiment we can conclude that ____ is essential for photosynthesis.

    A)  Sunlight                              

    B)  Oxygen

    C)  Carbondioxide

    D)         Water

    Correct Answer: A

    Solution :

    Sunlight is essential for photosynthesis.


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