Question Detail
Question
How do deep freezers contribute to the preservation of substances and cultures?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Page 35, under 'WORKING PRINCIPLE', states: 'Deep freezers are based on the principle that under extremely low temperatures, there is minimum microbial growth which allows for the protection and preservation of different substances.'
Hint
The 'WORKING PRINCIPLE' section for refrigerators and deep freezers will explain their preservation method.