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MIC 121 Introductory Microbiology Objective Question
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Question

Beyond supporting Pasteur's findings, John Tyndall's experiments in 1876 also demonstrated a key characteristic of air related to microbial growth. What was it?
Options
A Air contained a 'vital force' necessary for spontaneous generation.
B Air could carry particulate matter, including microorganisms.
Correct Answer
C Pure air, devoid of oxygen, inhibited microbial growth.
D Microorganisms could only grow in anaerobic conditions.
Correct Answer

Option B is the correct answer.

Detailed Explanation

The text states: 'In 1876, the English physicist John Tyndall, who devised an apparatus to demonstrate that air could carry particulate matter supported Pasteur's findings.' This particulate matter included microorganisms.

Hint

Tyndall's apparatus helped to visually confirm a characteristic of air that was relevant to contamination.

Question Info

Course: MIC 121
Topic: Introductory Microbiology
Type: Objective
Difficulty: Not specified
Question 194 of 984
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