a shoot of the balsam plant is dipped in a red
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a green leaf is boiled in water?
• a leaf covered with vaseline is tested for starch?
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Explanation:
If leaf is covered by vaseline then its stomata are get closed or blocked.and therefore it will not remain healthy for a long time. This is because plant will not get oxygen for respiration. it will not get carbon dioxide for photosynthesis.
The chemical composition of Vaseline contains the residue and compounds of petrol and its product which is very harmful for the plants and these composition can dry up a plant if applied on their leaves.
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