Question

what is meaning of underground stem acts as organs of perennation to tide over conditions unfavorable for growth​

Answer 1

Answer:

modification of stem the stem may not always be typically like what they are expected to be they are modified to perform different functions underground stems of potato,ginger,turmeric,zaminkand,colocasia are modifided to store food in them .they also act as organs of perennation to tide over conditions unfavorable for growth