Geography, asked by sunil417, 1 year ago

why do leaves fall down from the tree when they turn ito yellow

Answers

Answered by dinesh2028
0
Yellow colors that were always present inleaves become unmasked as the chlorophyll is broken down and absorbed. Called carotenoids, these are the yellow pigments that give trees like birch, beech and tulip their bright fall colors. ... (Carotenoids play a similar role in the human body, as it turnsout.Oct 15, 2012
Answered by deep1032kir
0
Hello friend...

When tree become old they stop manufacturing food for plant...so the plant in turn takra away all the chlorophyll and due to this the leaves turn Yellow and fall off.
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