Question

How does the nitrogen fixation occur in legumes?

• A. By specialized bacteria in their roots
• B. By specialized bacteria in their leaves
• C. Independent of bacteria that live in them
• D. Not by any of the above methods

Answer 1

The correct option is A By specialized bacteria in their roots

Nitrogen fixation is the conversion of atmospheric nitrogen into nitrates and ammonia by nitrogen-fixing bacteria which are associated with the roots of the legume plants.

Examples of nitrogen fixing bacteria includes Rhizobium

So, the correct answer is 'By specialized bacteria in their roots'