Question

modification of root

Answer 1

Modified roots may be underground or aerial. Taproot and adventitious roots are modified to perform functions of storage and vegetative propagation. ... Adventitious roots arise from lower part of main stem and grow obliquely towards the soil. They keep the plant erect by giving additional support.

Answer 2

As such, their form and structure differs from those of normal roots. Modified roots may be underground or aerial. Taproot and adventitious roots are modified to perform functions of storage and vegetative propagation. Tap roots may store food reserves for which they become swollen and assume various shapes.