A potted plant was placed in the dark for 72 hours. Then a leaf was plucked. It was boiled with water and placed in alcohol. Iodine solution was poured on the leaf. The leaf will:
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A potted plant was placed in the dark for 72 hours. Then a leaf was plucked. It was boiled with water and placed in alcohol. Iodine solution was poured on the leaf. The leaf will change to blue black colour due to presence of chlorophyll.
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there will be no change in the colour of the leaf after the following experiment has been performed in the laboratory
Explanation:
- This is because there is no photosynthesis that took place in the leaf. Photosynthesis require sunlight to take place. As a result of this there is no formation of the start. And start react with iodine to found a blue black solution.
- The blue black solution is a vital test for the detection of starch which is formed due to the reaction resulting in the formation of starch iodine complex.
To know more about starch,
What is starch test? How it is done? Explain with diagram - Brainly.in
https://brainly.in/question/13646794
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