Give the Steps of Nodule Formation.

1.	Give the Steps of Nodule Formation.
Answer» Steps of Nodule Formation : Rhizobium in soil interacts with roots of leguminous plants. ↓ Rhizobia multiply, colonise and get attached to epidermal & root hair cells. ↓ Curling of root hair & invasion of bacteria into root hair. ↓ Produce infection thread & carry bacteria into root cortex. ↓ Initiate nodule formation in the cortex.

Answer»

Steps of Nodule Formation :

Rhizobium in soil interacts with roots of leguminous plants.

↓

Rhizobia multiply, colonise and get attached to epidermal & root hair cells.

↓

Curling of root hair & invasion of bacteria into root hair.

↓

Produce infection thread & carry bacteria into root cortex.

↓

Initiate nodule formation in the cortex.

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