Germ Theory

What does the third koch postulate states?

• “Samples of the organism removed from the pure culture must cause the corresponding disease when inoculated into a healthy, susceptible laboratory animal”

• “Samples of the organism removed from the pure culture must cause the corresponding disease when inoculated into a sick, susceptible laboratory animal”

• “Samples of the organism removed from the bacteria culture must cause the corresponding disease when inoculated into a healthy, susceptible laboratory animal”

• “Samples of the organism removed from the pure culture must cause the corresponding disease when inoculated into a sick, nonsusceptible laboratory animal”

What does the 4th koch postulate states?

• “The organism must be isolated from the inoculated animal and identified as being different to the original organisms isolated from the initial, diseased host”

• “The organism must be isolated from any animal and identified as being identical to the original organisms isolated from the initial, diseased host”

• “The organism must be isolated from the inoculated animal and identified as being identical to the original organisms isolated from the initial, diseased host”

Name some common types of pathogens

• Virus, Bacteria, Protist

• Virus, Sugar, Bacteria

• Bacteria, Amino Acids

• Hydrocarburs, Bacteria, Protist

Tags

NGSS.MS-LS2-4

What is the main principle of the Germ Theory of Disease?

• Microorganisms are the cause of many diseases.

• Diseases are caused by imbalances in body fluids.

• Diseases are caused by bad air or miasma.

• Diseases are a result of divine punishment.

Who is credited with the development of the Germ Theory?

• Louis Pasteur

• Isaac Newton

• Albert Einstein

• Charles Darwin

Which experiment by Louis Pasteur supported the Germ Theory?

• Swan-neck flask experiment

• Double-slit experiment

• Michelson-Morley experiment

• Millikan oil-drop experiment

What did Robert Koch contribute to the Germ Theory?

• He identified specific bacteria that caused diseases.

• He discovered the structure of DNA.

• He developed the polio vaccine.

• He invented the microscope.

Which of the following is NOT a postulate of Koch's Germ Theory?

• The microorganism must be found in abundance in all organisms suffering from the disease.

• The microorganism must be isolated from a diseased organism and grown in pure culture.

• The microorganism must cause disease when introduced into a healthy organism.

• The microorganism must be present in healthy organisms.

What is the significance of Pasteur's swan-neck flask experiment?

• It disproved the theory of spontaneous generation.

• It proved the existence of atoms.

• It demonstrated the wave nature of light.

• It showed that light travels in straight lines.

How did the Germ Theory change medical practices?

• It led to the development of antiseptics and improved hygiene.

• It resulted in the banning of all surgical procedures.

• It promoted the use of astrology in medicine.

• It encouraged the use of herbal remedies.