Question

experiment to the show that chorophyll necessary for photosynthesis ​

Answer 1

Both these plants are destarched before the experiment and kept in the atmosphere containing water, carbon dioxide, and sunlight. After24 hours the starch content of the leaf may be checked with an iodine solution to prove that the chlorophyll deprived plant did not produce any starch

Answer 2

Aim:

To show that chlorophyll is necessary for photosynthesis.

Apparatus and Materials

Plant that has variegated leaves, ethanol, beaker, boiling tube, water, heat source, Iodine solution.

Method / procedure:

- Leave the plant with variegated leaves in light for 2-6 hours.

- Remove one leaf and make a labelled diagram to show the green and non-green parts.

Test the leaf for starch

Conclusion:

Starch is made only in areas of the leaf with chlorophyll, showing that chlorophyll is necessary for photosynthesis.