Question

Draw a diagram of nodulated root and show the root nodules, write their functions .​

Answer 1

Answer:

They contain symbiotic bacteria called rhizobia within the nodules, producing nitrogen compounds that help the plant to grow and compete with other plants. When the plant dies, the fixed nitrogen is released, making it available to other plants and this helps to fertilize the soil.

Answer 2

Inside the Root nodules there is a bacteria called Rhizobium of leguminous plants like gram, pea and beans. These bacteria take up nitrogen and directly from the air and convert it to water soluable nitrogenous substances.. This proccess is called Nitrogen Fixation. After the plant dies, the plant decay and fertilise the soil

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