 
			 
			MCQOPTIONS
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				| 1. | Gas vacuoles are present in | 
| A. | Anabaena flos-aquae | 
| B. | Bacillus subtilis | 
| C. | Acanthurus nigrofuscus | 
| D. | Mycobacterium tuberculosis | 
| Answer» B. Bacillus subtilis | |