Question

Define root modification explain how root is modified to perform different functions

Answer 1

Answer:

$Roots in some plants change their shape and structure and becomemodified to perform functions other than absorption and conduction of water and minerals. They are modifiedfor support, storage of food and respiration$

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Answer 2

Answer:

In some plants, the roots change their shape and get modified to absorb and transport water and minerals from the soil to different parts of the plant. They are also modified for support, food storage, and respiration.

Modifications for tap root:

Conical roots are broad at the base and conical at the apex, eg., carrot

Fusiform roots are swollen in the middle and tapering towards both the ends, eg., radish

Napiform roots are spherical at the base and taper towards the apex, eg., turnip

Tuberous roots have no specific shape. They appear thick and fleshy, eg., 4’O clock plant

Modifications for Adventitious root:

Simple Tuberous Roots are swollen and do not assume any shape. For eg., sweet potato

Nodulose Roots are single beads. They become swollen at the apex and have a definite shape, eg., ginger

Fasciculated Tuberous Roots is the cluster of adventitious roots for food storage. They have a definite shape, eg., Dahlia

Moniliform Roots are swollen and constricted, eg., grasses

Annulated Roots has an appearance of discs placed one over the other, eg., Ipecac.