Biology
Certain free living bacteria in the soil like (P) …………… and (Q) …………… use the free nitrogen of the soil and convert it to ammonia with hydrogen. P and Q are :
- P — Rhizobium, Q — Azobacter
- P — Azobacter, Q — Clostridium
- P — Clostridium, Q — Rhizobium
- P — Nitrosomonas, Q — Nitrobacter
Fungi Economics
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Answer
P — Azobacter, Q — Clostridium
Reason — Azobacter and Clostridium convert atmospheric nitrogen (N2) into ammonia (NH3) using hydrogen. This process is known as biological nitrogen fixation.
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