Why leaf falls of plants and tree after few months and produce new lea

1.	Why leaf falls of plants and tree after few months and produce new leaf?
Answer» If the plants break down the chlorophyll and move it out of their leaves before the leaves fall, plants save energy. The plants can reabsorb the molecules that make up chlorophyll. Then, when it\'s warm and sunny enough to grow again, the plants can use those molecules to remake the chlorophyl It is a way of excretion in plants to shed off yellow old leaves Word par mat jaana please wilting and falling of leaf due to presence of absicic acid Because the are dead leaves and they need to be fall to produce new one

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