Monday, April 23, 2018

Past paper 201617 C

Q: A2. Recovery not back to log colonies number of  9.4/ml ? but only 8.5?

A: There was actual killing of the bacteria at 52C. Recovery can never go back to 9.4.

Q;  a2 vi. c. botulinum killed by low level of  oxygen?

A: yes.

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