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Answer :
The functions of the stem in a plant are given below :
(I) It supports the plant to the stand-up right.
(II) It transports water, minerals and food in a different parts of the plant.
(III) Sometimes the food is stored in the stem. Examples: potato, ginger etc.
(IV) It supports branches, leaves, flowers, and fruits.
(V) Some time stems are modified to give additional support by stem tendrils.
(VI) In cactus plant stem is modified to make food. In cactus plant stem contain chlorophyll.