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During fermentation, the saturation concentration of oxygen was reduced from 7 ppm. to 1 ppm. Which one of the following conclusions can be drawn? | |
A. | Microbial growth is oxygen limited since the oxygen concentration is lesser than the saturation concentration [Wrong Answer] |
B. | Microbial growth is not oxygen limited since the oxygen concentration is lesser than the saturation concentration [Wrong Answer] |
C. | Experimental error leads to the reduction [Wrong Answer] |
D. | No conclusion can be drawn [Correct Answer] |