12 Questions
Who was the first to use a microscope to observe living things?
Robert Hooke
What did Antonie van Leeuwenhoek call the small creatures he discovered in pond water?
Animalcules
Who challenged the idea of spontaneous generation through his experiments on decaying meat?
Francesco Redi
What magnification could Antonie van Leeuwenhoek achieve with his best lenses?
$300-500X$
Which century saw the actual discovery of microorganisms?
17th century
What was the common belief about the origin of microorganisms before being challenged?
They arose from nonliving matter by spontaneous generation
What was the outcome of Needham's experiment with boiled mutton broth?
The flasks became cloudy and contained microorganisms.
How did Leeuwenhoek's discovery of microorganisms contribute to the controversy?
It supported the theory of spontaneous generation.
What was the result when Spallanzani sealed glass flasks containing water and seeds, then placed them in boiling water?
No growth occurred as long as the flasks remained sealed.
What did Theodore Schwann's experiment with a red hot tube demonstrate?
Sterilized nutrient solutions could still support growth if exposed to air.
What was Louis Pasteur's response to Felix Pouchet's claim about microbial growth without air contamination?
He conducted experiments to challenge Pouchet's claim.
What was the main purpose of covering one piece of meat with fine gauze?
To prevent flies from laying eggs on the meat.
Explore the origins and development of microbiology, from the early discussions of microorganisms to their discovery in the 17th century by Antonie van Leeuwenhoek. Learn about the fascinating world of microorganisms and their significance in various fields.
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