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Which of the following is a non-symbiotic nitrogen fixing prokaryote?A. AzotobacterB. ClostridiumC. BeijerinckiaD. all of these |
Answer» Correct Answer - D Non symbiotic nitrogen fixing bacteria e.g., Azotobacter, Beijernckia (both aerobatic) and Bacillus Klebsiella, Clostridium (all anaerobic) are saprotrophic bacteria that perform nitrogen fixation. |
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