Question

Protein synthesis in plants requires nitrogen. How can a plant meet its nitrogen requirement?

• A. As Nitrates from soil
• B. As Nitrites from soil
• C. From symbiotic association with N₂-fixing bacteria
• D. All of the above

Answer 1

The correct option is D

All of the above

Plants can meet their nitrogen requirement either from soil in the form of nitrates , nitrites or by symbiotic association with nitrogen fixing bacteria like Rhizobium. These bacteria convert gaseous nitrogen to usable form by plants such as Nitrates.