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Multiple Choice Quiz
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1

In the latter part of the twentieth century, scientists became increasingly concerned about the threat of infectious diseases. Which of the following is not a reason why the incidence of infectious diseases has risen?
A)Advances in medicine
B)Mobile populations
C)Emerging microbes/diseases
D)Microbial adaptations
E)Ineffective diagnoses of diseases
2

What is the branch of microbiology that involves DNA manipulation in order to create new products and genetically modified organisms?
A)Public health
B)Biotechnology
C)Genetic engineering
D)Immunology
E)Food Microbiology
3

When looking for life on other planets, scientists first look for signs of microbial inhabitation. Which of the following is not a reason why?
A)Microbes are ubiquitous.
B)Microbes are involved in the evolution of other life forms.
C)Microbes have extensively shaped the earth's habitats.
D)Microbes prevent the recycling of elements.
E)Microbes are involved in the flow of energy and food.
4

The majority of the oxygen in the earth's atmosphere is derived from processes carried out by what group of microorganisms?
A)Photosynthetic organisms
B)Anaerobic organisms
C)Soil fungi
D)Yeasts
E)Extremophiles
5

In the process of bioremediation, biological agents perform what function?
A)Produce organic carbon from carbon dioxide
B)Degrade environmental pollutants
C)Produce human hemoglobin
D)Ferment sugars into alcohol
E)Mine metals from raw materials
6

What is the most effective method for preventing the acquisition of malaria worldwide?
A)The use of pesticides to kill all mosquitoes
B)Antibiotics to kill the protozoa following a bite with an infected mosquito
C)Sleep under a bed net
D)Eradicate the protozoa entirely
E)Anti-malaria medication
7

Many non-infectious diseases have been shown to be associated with chronic infections with certain microorganisms. Which of the following is one of these diseases?
A)Stroke
B)Alzheimer's disease
C)Depression
D)Coronary artery disease
E)Narcolepsy
8

Which of the following is not classified as a microorganism?
A)Viruses
B)Bacteria
C)Fungi
D)Parasites
E)Protozoa
9

Which of the following statements is true of the procaryotes?
A)They contain a nucleus.
B)They do not contain a nucleus.
C)They are larger than eukaryotes.
D)They contain specialized organelles.
E)Some are multicellular.
10

Which of the following statements does not describe viruses?
A)They are dependent on the host cell's machinery for their activities.
B)They are more complex than procaryotes and eucaryotes.
C)They are referred to as parasites.
D)Some scientists view viruses as primitive organisms.
E)They are composed of hereditary material surrounded by a protein coat.
11

How do the majority of microorganisms exist in nature?
A)As parasites
B)As mutualists (as in the stomach of cattle)
C)As free-living and harmless organisms
D)Derive nutritional support from other organisms
E)As single, solitary organisms
12

Who is known as the "Father of Bacteriology and Protozoology?"
A)Antonie van Leeuwenhoek
B)Francisco Redi
C)Louis Pasteur
D)Ignaz Semmelweis
E)Joseph Lister
13

Early scientists explained natural phenomena using several methods. Which of the following is not one of the methods they used?
A)Argument
B)Superstition
C)Scientific method
D)Religious teachings
E)Commonly held beliefs
14

What is the primary aim of the scientific method?
A)To formulate a hypothesis
B)To introduce new variables into an experiment
C)To include control groups in an experiment
D)To modify an experiment
E)To discard the results if they do not support the hypothesis
15

Proponents of spontaneous generation believed what?
A)Living things arose only from others of the same kind.
B)The theory of biogenesis.
C)Louis Pasteur's experiments with the swan-necked tubes.
D)Maggots were the offspring of flies.
E)The theory of abiogenesis.
16

Whose experiments finally discounted the theory of abiogenesis?
A)Francesco Redi
B)Louis Pasteur
C)John Needam
D)Louis Jablot
E)Franz Shultze and Theodor Schwann
17

Which of the following statements defines a theory?
A)A collection of statements, propositions, or concepts that explains or accounts for a natural event
B)A principle
C)A prediction
D)A process of experimentation
E)A tentative explanation to account for what has been observed or measured
18

Joseph Lister's concept of asepsis in the medical setting consisted primarily of what technique?
A)Handwashing
B)Sterilization of bandages
C)Destroying endospores
D)The use of antibiotics
E)Disinfection of surgical instruments
19

Which of the following was the first antibiotic that was discovered?
A)Magainins
B)Ciprofloxacin (Cipro)
C)Augmentin
D)Penicillin
E)Streptomycin
20

Robert Koch used what microorganism (and disease it causes) to formulate Koch's postulates?
A)HIV/AIDS
B)Corynebacterium diphtheriae/Diphtheria
C)Coronavirus/SARS
D)Mycobacterium tuberculosis/Tuberculosis
E)Bacillus anthracis/Anthrax
21

What is the smallest and most specific of the levels of classification?
A)Domain
B)Species
C)Family
D)Genus
E)Phylum
22

Which of the following is correct?
A)Vibrio Cholera
B)vibrio cholera
C)Vibrio cholera
D)vibrio Cholera
E)Vibrio Cholera
23

What term refers to the degree of evolutionary relatedness between living organisms?
A)Morphology
B)Physiology
C)Hierarchy
D)Phylogeny
E)Taxonomy
24

Which of the following statements regarding evolution is incorrect?
A)Changes that favor survival of an organism or group of organisms are lost.
B)All new species originate from preexisting species.
C)Living things change gradually through hundreds of millions of years.
D)It results in various types of structural and functional changes in organisms.
E)Changes that are less beneficial to survival are lost.
25

The analysis of what component has led to the classification of organisms into three domains?
A)Nucleus
B)Size
C)Protein content
D)Weight
E)rRNA





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