Functions of Roots

Primary functions of roots:-

1. They help in fixing the plant firmly with the soil.

2. The roots absorb water and mineral salts.

3. It binds the soil.

Secondary functions of roots:-

1. Root floats:- They help in floating. e.g jussiaea

2. Reproductive roots:- They can help in multiplication of plants i.e vegetative propagation e.g. sweet potato.

3. Hygroscopic roots:- They can absorb the water from atmosphere with the help of special tissue velamen e.g Vanda

4. Assimilatory roots:- They help in synthesis of food e.g:- Podostemon

5. Respiratory roots:- They may serve for respiration e.g:- Rhizophora.

6. Storage of food:- They can store the food by becoming fleshy e.g:- Radish

7. Helping plants to climb:- They may help in climbing the weak stem e.g:- Pothos