Question
Sat December 01, 2012 By:
 

how do the grass grow itself on the bulb of the onion? Didn't it need any chemical for this process?

Expert Reply
Mon December 03, 2012
The bulb is the lower portion of the plant stem that has thick fleshy modified leaves. The bulb's function is to store food for the plant. This is used by the growing leaves.
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