Correct Answer : c
Your Answer : d
With reference to Nitrogen cycle, consider the following statements:
1. The elemental form of nitrogen cannot be used directly by most of the living organisms.
2. The Nitrogen fixation on earth by man through industrial process can disrupt the balance of nitrogen.
3. Azotobacter and Clostridium are an example of free-living nitrifying bacteria.
Which of the statements given above is/ are correct?
Azaotobacter and Clostridium are free-living nitrogen-fixing bacteria and NOT nitrifying bacteria.
Shouldn't the answer be option D?
