Question

Q3 What are root nodules ? How are
they helpful?​

Answer 1

Root nodules are extra lobes of certain plants such as peas and beans in which nitrogen-fixing bacteria are found. ... Bacteria in these root nodules convert the atmospheric nitrogen into nitrates which the plants can utilise. The plants use this nitrogen to synthesise proteins and other materials.

Answer 2

Explanation:

the parts of root which helps to fix nitrogen inside the plant

plz see text book for clear ans