Prove that Chlorophyll is Essential for Photosynthesis
Chlorophyll is Essential for Photosynthesis
- i) De-starch a leaf of potted plant by wrapping it in aluminum foil.
- ii) Remove the leaf from plant.
iii) Its outline is carefully drawn to note the position of chlorophyll.
- iv) Now apply iodine to leaf to test the presence of starch.
- v) We observe that parts with iodine turn blue while white part turn brown.
- vi) This result shows that starch is formed in only those parts where chlorophyll exists.
vii) If photosynthesis is possible without chlorophyll than white part should also turn blue.
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