A. Absorption
A.
B. Support
B.
C. Vegetative propagation and storage
C.
D. Nitrogen fixation
D.
Correct Answer: C
সঠিক উত্তর: C
Explanation
ব্যাখ্যা
Sweet potato roots are modified roots that store starch and other nutrients, allowing them to be used for vegetative propagation when a new plant grows from a cutting of the root.