32.Which of the following statements are correct? 1. Certain microorganisms are capable of fixing atmospheric nitrogen into ammonium ions like aerobic azotobacter and anaerobic clostridium. 2. Nitrosomonas bacteria promote transformation of ammonia into nitrite. 3. Nitrite is then further transformed into nitrate by the bacteria Nitrobacter. Select the correct option from the codes given below: [A] Only 1 & 2 [B] Only 2 & 3 [C] Only 1 & 3 [D] 1, 2 & 3 Show Answer
Bacteria such as Rhizobium and certain blue-green algae can fix atmospheric nitrogen in the soil