Question 63

BTNAT2 marksNeeds review
A pilot sterilization was carried out in a vessel containing 100 m

medium with an initial spore concentration of 10

spores/ml. The accepted level of contamination after sterilization is 1 spore in the entire vessel. The specific death rate constant for the spore is 2 min

at 121 °C. Assuming no death takes place during the heating and cooling cycles, the holding time at 121 °C (rounded off to nearest integer) is ____________ min.

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2022BT

GATE BT 2022 · Paper 1

Biotechnology · Original paper archive

Section
Biotechnology
Question type
Numerical answer (NAT)
Marks
2 marks

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