Question Detail
Question
Which of the following is mentioned as a nitrogen-fixing bacterium used as a biofertilizer to improve soil nutrient availability?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Page 5 mentions, 'Biofertilizers: nitrogen-fixing bacteria like Rhizobium, Clostridium and Azotobacter... improve soil nutrient availability.'
Hint
Focus on the examples provided for nitrogen-fixing bacteria under 'Biofertilizers'.