Question

Describe different modifications of root with suitable examples for 5 marks​

Answer 1

The different modifications of roots includes -

tap root modification includes -

 1. fusiform    example - raddish

2. napiform    example - turnip

3. conical       example - carrot

4. tuberous     example - sweet potato

5. pneumatophores     example - rhizophora

adventitious root modification -

1.tuberous      example - sweet potato

2. nodulous      example - ginger

3. fasciculate 

4. annulated      example - ipcea

5. prop roots       example - ficus bengaliris

6. stilt root      example - maize plant

7. climbing root  example - betal

8. sucking roots   example - haustoria.   etc....

 hope this helps u.....

Answer 2

1) In some plants, the roots are swollen. This is due to the storage food in them. These roots are called storage food. Eg- Carrot, turnip

2) Prop roots- Roots develop from the branches and grow downwards to penetrate deep into the soil to give additional support to the branches. Eg- Banyan tree

3) A plant which obtains its nutrition from other plant is called parasitic plant. The roots of these plants are called parasitic roots. Eg- Dodder plants

4) Plants which roots help the plant to climb on wall, trees and rocks are called climbing roots. Eg- Betel, Money plant

5) Roots which grow in marshes which help plants to respire are called respiratory roots. Eg- Rhizophora