Question 1

Which two names are assigned to each organism in scientific nomenclature?

Accepted Answer

Genus and specific epithet

Question 2

Which of the following is NOT included in the domain Eukarya?

Accepted Answer

Viruses

Question 3

Who proved that bacteria can cause disease, leading to the development of germ theory?

Accepted Answer

Robert Koch

Question 4

Who discovered a chemotherapeutic agent effective against syphilis?

Accepted Answer

Paul Ehrlich

Question 5

Which scientists are credited with discovering the structure of DNA?

Accepted Answer

Watson and Crick

Question 6

Robert Koch developed his postulates while identifying the cause of which disease?

Accepted Answer

Anthrax

Question 7

Which scientist disproved the theory of spontaneous generation?

Accepted Answer

Louis Pasteur

Question 8

Pasteur is associated with which of the following discoveries?

Accepted Answer

Cause of fermentation

Question 9

Which process uses just enough heat to kill spoilage bacteria in beverages, but not all bacteria?

Accepted Answer

Pasteurization

Question 10

Arsphenamine (Salvarsan) was a drug to treat syphilis developed by which scientist?

Accepted Answer

Paul Ehrlich

Question 11

Which microorganism causes a wide range of human infections, including pimples, boils, pneumonia, food poisoning, and surgical wound infections?

Accepted Answer

Staphylococcus aureus

Question 12

Which of the following is NOT an example of an emerging infectious disease?

Accepted Answer

Malaria

Question 13

Which virus is an example of a hemorrhagic fever virus?

Accepted Answer

Ebola virus

Question 14

Bacillus thuringiensis is used for which of the following purposes?

Accepted Answer

As a natural insecticide

Question 15

Bioremediation is the use of microbes to:

Accepted Answer

Clean up pollutants and toxic wastes

Question 16

Biotechnology can best be defined as using living organisms to:

Accepted Answer

Develop useful products

Question 17

A beverage company wants to ensure its juices are safe from spoilage bacteria but does not want to alter the taste significantly. Which process should they use, and what is the principle behind it?

Accepted Answer

Pasteurization; using heat to kill most spoilage bacteria without affecting flavor

Question 18

Which equation best represents the exponential growth of bacteria under ideal conditions?

Accepted Answer

$N = N_0 	imes 2^n$

Question 19

A scientist is studying a new virus that causes hemorrhagic fever. Which biosafety level (BSL) laboratory should be used for handling this virus?

Accepted Answer

BSL-4

Question 20

If a patient presents with symptoms of food poisoning after eating improperly stored food, which microorganism is most likely responsible?

Accepted Answer

Staphylococcus aureus

Ch. 1

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