Answers

2015-07-01T16:47:29+05:30
THESE ALL ARE THE STEM PART OF THE PLANTS THESE PARTS ARE USED BY THE PLANTS TO STORE THEIR FOOD .THE FOOD PREPARED BY THE PLANT IS MOSTLY IN THEN FORM OF STARCH ,SO THE EXTRA STARCH IS STORED IN THESE PARTS OF THE PLANT,THIS CAUSES THEM TO BULGE AND SWELL.
0
PLS MARK AS THE BEST
you went a bit wrong they aren't stem but are the roots of the plants