Question Detail

MIC 121 Introductory Microbiology Objective Question
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Question

In Lazzaro Spallanzani's experiment against spontaneous generation, what was the specific treatment for his first flask that resulted in no microbial growth?
Options
A Boiled for a few minutes and sealed loosely with a cork
B Left open after boiling for one hour
C Boiled for one hour and the mouth sealed by melting
Correct Answer
D Boiled for a few minutes and left open
Correct Answer

Option C is the correct answer.

Detailed Explanation

Page 18 notes, 'The broth in the first flask was boiled for 1 hour and the mouth sealed by melting', which resulted in no growth.

Hint

He wanted to prevent air, and thus microorganisms, from entering the flask.

Question Info

Course: MIC 121
Topic: Introductory Microbiology
Type: Objective
Difficulty: Not specified
Question 200 of 984
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