 
         
        McqMate
| Q. | The nitrogen in the ecosystem is circulated by - | 
| A. | Earthworms | 
| B. | Bacteria | 
| C. | Fungi | 
| D. | protozoa | 
| Answer» B. Bacteria | |
| Explanation: Bacteria   play   a   great   role   in nitrogen thation. Nitrogen fixing bacteria inhabit legume root nodules. Nitrogenase is the enzyme in  nitrogen-fixing  bacteria  that  catalyzes  the conversion    of    atmospheric    nitrogen    into ammonia. | |
View all MCQs in
Biology (GK)No comments yet