Question

1.why do leaves fall down from tree when they turn into yellow

Answer 1

Answer:

Turning of green leaves to yellow indicates 2 things:-

CHLOROPHYLL is the pigment which helps leaves to get green color. When the plant lose chlorophyll they can't make food via photosynthesis. So the leaves fall down from the tree when they turn yellow.

It also means that plant have store it's waste material in the leave and to excrete it will loose it leaves.

hope it helps you...

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