Select any broad leaved potted plant. Cut a cardboard with a design of your choice and seal the
selected leaf with the cardboard. Let the plant stand under the sun for a week then remove the
cardboard. You will get designery leaves plant. Try to make more leaves with designs and display
your plant but don't forget to present your write up.
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Answer:
It will eventually turn brown and the part of the exposed leaf will turn blue-black.
Explanation:
This experiment is used to prove that Photosysnthesis process is required for plants to synthesize their own food
What happens when you cover a leaf with foil?
⇒Areas of the leaf exposed to the light should turn blue–black when iodine is added proving starch is present.
⇒This in turn, proves that photosynthesis occurred.
⇒The areas of the leaf that were covered by the silver foil could not Photosynthesise.
⇒This means they could not produce glucose and turn this to starch.
⇒This result proves that starch is formed in the leaf where sunlight is available and is not formed in absence sunlight.
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