Question

design an experiment to show that sunlight and chlorophyll are necessary for photosynthesis​

Answer 1

Answer:

SUNLIGHT IS NECESSARY FOR PHOTOSYNTHESIS:

Experiment:

1. Take a leaf and cover it with black paper such that sunlight doesnot enters into it.

2. Now keep this plant which you have covered the leaf with black paper in sunlight.

3. Now test the leaf which you have covered with black paper for the presence of starch.

4. You will notice that the leaf doesnot change into blue black colour when we add few drops of iodine

5. You can conclude that starch is not prepared without sunlight

CHOROPHLL IS NECESSARY FOR PHOTOSYNTHESIS:

1. Take a potted plant and keep in dark for 2 days.

2. Or destarch a leaf of a plant

3. After you will notice leaf changes into brown colour

4. Test this for starch.

5. You will notice that it doesnot turn into blue black colour.

6. This determines that chlorophyll is necessary for photosynthesis

Hope it is helpful to you

Answer 2

Answer:

dear pls go through the textbook of class 11th.

pls mark me down as a brainiest answer!!!!