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MIC 121 Mib compilations3 Objective Question
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Question

Which of the following statement is true about lyophilisation?
Options
A Metabolic process of the microorganism is arrested
Correct Answer
B Lyophilised cells are in form of colonies
C The method is used by smaller laboratories to store their stock cultures
D Lyophilised culture is covered with mineral oil in vials
Correct Answer

Option A is the correct answer.

Detailed Explanation

Lyophilisation (freeze-drying) arrests the metabolic processes of microorganisms by removing water, thereby putting them into a dormant, stable state suitable for long-term preservation without significant genetic or biochemical changes, ideally.

Hint

What is the primary effect of removing water and extreme cold on microbial activity?

Question Info

Course: MIC 121
Topic: Mib compilations3
Type: Objective
Difficulty: Not specified
Question 977 of 984
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