Why a variegated leaf can be used to show chlorophyll and photosynthesis?
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variegated leaf is the leaf which has yellow & green patches....only the green patches in variegated leaf contain chlorophyll & photosynthesis occurs only in those parts
....While the parts containing yellow patches lack chlorophyll & hence no phosynthesis occur in those areas. ...This demonstrates that only green parts i.e. chlorophyll containing parts show photosynthesis.....Thus variegated leaf is used....
....While the parts containing yellow patches lack chlorophyll & hence no phosynthesis occur in those areas. ...This demonstrates that only green parts i.e. chlorophyll containing parts show photosynthesis.....Thus variegated leaf is used....
djkelvin:
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The variegated leaf experiment helps to exhibit that chlorophyll (pigment present in the green parts of plants) is necessary for photosynthesis. ... Parts of the leaf with the chlorophyll should turn blue-black when iodine is added showing the starch is present. This, in turn, proves that photosynthesis happened.
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