Microbiology: History, Microorganisms, and Their Roles Exam
#1 Questions with Correct Answers
Who is credited with the birth of microbiology? - ✔✔Antony van Leeuwenhoek in
1674.
What did Antony van Leeuwenhoek use to study microorganisms? - ✔✔A simple
magnifying glass.
What term did Leeuwenhoek use to describe microorganisms he observed? -
✔✔Animalcules.
Who described the 'microscopical mushroom'? - ✔✔Robert Hooke in 1665.
What are microorganisms? - ✔✔Organisms too small to be seen with the naked
eye, including acellular entities like viruses.
How long have microorganisms existed? - ✔✔Approximately 3.5 billion years.
What is spontaneous generation? - ✔✔The belief that life arises spontaneously
from non-living material.
Who demonstrated that worms on rotting meat came from fly eggs? -
✔✔Francesco Redi in 1668.
, What was John Needham's argument regarding microorganisms? - ✔✔He claimed
boiled broths still produced microorganisms, suggesting they arose
spontaneously.
How did Father Spallanzani contradict Needham's results? - ✔✔He boiled broths
longer and sealed flasks, which remained sterile.
What did Louis Pasteur demonstrate about air? - ✔✔Air is filled with
microorganisms.
What was the significance of Pasteur's swan-necked flasks? - ✔✔They showed
that boiled broth remained sterile despite exposure to air.
What is biogenesis? - ✔✔The principle that living things arise from other living
things.
What discovery did Ferdinand Cohn make in 1876? - ✔✔He discovered
endospores, a heat-resistant form of bacteria.
What is the Germ Theory of Disease? - ✔✔The theory that microorganisms cause
diseases.
What is the human microbiome? - ✔✔The enormous population of
microorganisms that live in the human body.
How do normal microbiota benefit human health? - ✔✔They prevent disease by
competing with harmful microbes and aid in digestion.
#1 Questions with Correct Answers
Who is credited with the birth of microbiology? - ✔✔Antony van Leeuwenhoek in
1674.
What did Antony van Leeuwenhoek use to study microorganisms? - ✔✔A simple
magnifying glass.
What term did Leeuwenhoek use to describe microorganisms he observed? -
✔✔Animalcules.
Who described the 'microscopical mushroom'? - ✔✔Robert Hooke in 1665.
What are microorganisms? - ✔✔Organisms too small to be seen with the naked
eye, including acellular entities like viruses.
How long have microorganisms existed? - ✔✔Approximately 3.5 billion years.
What is spontaneous generation? - ✔✔The belief that life arises spontaneously
from non-living material.
Who demonstrated that worms on rotting meat came from fly eggs? -
✔✔Francesco Redi in 1668.
, What was John Needham's argument regarding microorganisms? - ✔✔He claimed
boiled broths still produced microorganisms, suggesting they arose
spontaneously.
How did Father Spallanzani contradict Needham's results? - ✔✔He boiled broths
longer and sealed flasks, which remained sterile.
What did Louis Pasteur demonstrate about air? - ✔✔Air is filled with
microorganisms.
What was the significance of Pasteur's swan-necked flasks? - ✔✔They showed
that boiled broth remained sterile despite exposure to air.
What is biogenesis? - ✔✔The principle that living things arise from other living
things.
What discovery did Ferdinand Cohn make in 1876? - ✔✔He discovered
endospores, a heat-resistant form of bacteria.
What is the Germ Theory of Disease? - ✔✔The theory that microorganisms cause
diseases.
What is the human microbiome? - ✔✔The enormous population of
microorganisms that live in the human body.
How do normal microbiota benefit human health? - ✔✔They prevent disease by
competing with harmful microbes and aid in digestion.
