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

  • question_answer
    DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 4 A plant was kept in a dark room for a week. Its leaves were tested with iodine solution. The test was negative. Why was the test negative?

    A) there was no sunlight in the room

    B) the leaves were not green in colour

    C) the iodine solution was not good

    D) there was no water in the pot

    Correct Answer: A

    Solution :

    Since the plant was kept in a dark room, there was no photosynthesis in leaves and so no starch was present in leaves.


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