Ch 1 micro

Which of the following pairs is mismatched?
A) Ehrlich – chemotherapy
B) Pasteur – proof of biogenesis
C) Koch – aseptic surgery
D) Jenner – vaccination

Which of the following is a scientific name?
A) Streptococcus pyogenes
B) Streptococci
C) Group A streptococcus
D) IGAS
E) Flesh-eating bacteria

Which of the following is NOT a domain in the three-domain system?
A) Bacteria
B) Archaea
C) Eukarya
D) Animalia

Which of the following statements about fungi is true?
A) All are multicellular.
B) All grow using sunlight and carbon dioxide.
C) All are plants.
D) All require organic material for growth.
E) All are prokaryotic.

Which of the following statements about protozoa is false?
A) They have rigid cell walls.
B) They are classified by their method of locomotion.
C) All have complex cells.
D) All are eukaryotic.
E) All are unicellular.

Which of the following statements about viruses is false?
A) They lack cells.
B) They cannot metabolize nutrients.
C) They cannot reproduce themselves.
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D) They have both DNA and RNA.
E) They are parasites.

Regarding the experiments that "proved" spontaneous generation, which of the following
statements is probably true?
A) Microorganisms were already present.
B) Excess carbon dioxide was present.
C) Air was lacking.
D) Too much heat was applied.
E) The food source could not support life.

Regarding Pasteur's experiments with the S-neck flask, which of the following statements is
true?
A) There was air involved.
B) There was a food source involved.
C) Any possibility of contamination was removed.
D) All microorganisms were killed before beginning.
E) All of the above.

Which of the following statements about insect control by microorganisms is true?
A) The microorganisms may cause disease in other animals.
B) The insects develop resistance to the microorganisms.
C) This technique is just as dangerous as the use of chemical pesticides.
D) The microorganisms are permanent in the environment.
E) The microorganisms are specific for the insect pest.

Which of the following pairs is mismatched?
A) van Leeuwenhoek – germ theory
B) Pasteur – fermentation
C) Jenner – vaccines
D) Lister – aseptic surgery
E) Hooke – cell theory

Who disproved the theory of spontaneous generation?
A) Hooke
B) Virchow
C) Pasteur
D) van Leeuwenhoek
E) Koch

Who disproved the theory of spontaneous generation?
A) Hooke
B) Pasteur
C) Koch
D) van Leeuwenhoek
E) Virchow

Who observed cells in plant material?
A) Koch
B) Hooke
C) Lister
D) Pasteur
E) van Leeuwenhoek

Who was the first to observe microorganisms with a microscope?
A) Koch
B) Weizmann
C) van Leeuwenhoek
D) Hooke
E) Pasteur

Who proved that microorganisms cause disease?
A) Pasteur
B) Koch
C) van Leeuwenhoek
D) Fleming
E) Semmelweis

Which of the following is a scientific name?
A) Acid-fast bacteria
B) Hansen's bacillus
C) Mycobacterium leprae
D) Leprosy bacterium

Classification of organisms in the three domains is based on
A) Nucleus.
B) Nutritional type.
C) Type of cell.
D) Number of cells.
E) Cell wall.

Which of the following statements is false?
A) All viruses are parasites.
B) All fungi have nuclear membranes.
C) All bacteria lack nuclear membranes.
D) All fungi are multicellular.
E) All protozoa are unicellular.

Which of the following statements is true?
A) Viruses cannot reproduce outside a host cell.
B) Algae are parasites.
C) Fungi are plants.
D) Protozoa have rigid cell walls.
E) Bacteria cannot move.

Which of the following findings was essential for Jenner's vaccination process?
A) A weakened microorganism may produce immunity.
B) Someone who recovers from a disease will not acquire that disease again.
C) Vaccination provides immunity.
D) Disease is caused by viruses.
E) A weakened microorganism will not cause disease.

Which of the following requirements was NOT necessary for Pasteur to disprove
spontaneous generation?
A) Removing microorganisms that were initially present
B) Keeping microorganisms out
C) Identifying bacteria
D) Providing a food source that would support growth
E) Supplying air

Which of the following pairs is mismatched?
A) Immunologist – studies ecology of Legionella pneumophila
B) Molecular biologist – studies recombinant DNA
C) Microbial physiologist – studies fermentation of sourdough bread
D) Microbial ecologist – studies bacteria that degrade oil
E) Virologist – studies human immunodeficiency virus

Which of the following pairs is mismatched?
A) Chemotherapy – treatment of disease
B) Penicillin – antibiotic
C) Pathogen – disease causing
D) Normal microbiota – harmful
E) Vaccine – a preparation of microorganisms

Which one of the following does NOT belong with the others?
A) Bacteria
B) Eukarya
C) Archaea
D) Fungi

Which of the following is NOT an example of biotechnology?
A) Bacterial production of vinegar
B) Bacterial degradation of a dead animal
C) Bacterial production of French bread
D) Bacterial production of yogurt
E) Bacterial production of human insulin

Which of the following CANNOT be made by using recombinant DNA technology?
A) Human hormones
B) Vaccines
C) Pest-resistant crops
D) Life
E) Pharmaceutical drugs

Which of the following is the best definition of biotechnology?
A) The development of recombinant DNA technology
B) The use of microorganisms in sewage treatment
C) The curing of diseases
D) The use of living organisms to make desired products
E) Bacterial production of foods

You are observing a cell through a microscope and note that it has no apparent nucleus. You
conclude that it most likely
A) Has a cellulose cell wall.
B) Has a peptidoglycan cell wall.
C) Is part of a multicellular animal.
D) Moves by pseudopods.
E) Is a plant cell.

A nucleated, green cell that moves by means of flagella is a(n)
A) Fungus.
B) Alga.
C) Bacterium.
D) Helminth.
E) Virus.

An agent that reproduces in cells but is NOT composed of cells and contains RNA as its
genetic material is a(n)
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A) Bacterium.
B) Alga.
C) Virus.
D) Fungus.
E) Helminth.

A multicellular organism that has chitin cell walls and absorbs organic material is a(n)
A) Fungus.
B) Virus.
C) Alga.
D) Helminth.
E) Bacterium.

A multicellular organism that has a mouth and lives in an animal host is a(n)
A) Helminth.
B) Virus.
C) Bacterium.
D) Fungus.
E) Alga.

In the name Escherichia coli, coli is the
A) Specific epithet.
B) Genus.
C) Kingdom.
D) Domain.
E) Discoverer.

Which of the following pairs is mismatched?
A) Jenner – immunology
B) Jacob and Monod – microbial genetics
C) Weizmann – virology
D) Winogradsky – microbial ecology
E) Lancefield – immunology

You are looking at a white cottony growth on a culture medium. Microscopic examination
reveals it is multicellular. Which of the following conclusions about this organism is false?
A) It has cell walls.
B) It absorbs organic nutrients.
C) It is a bacterium.
D) It is eukaryotic.
E) It has DNA enclosed in a nucleus.

Which of the following groups include members that lack DNA?
A) Bacteria
B) Viruses
C) Fungi
D) Helminths
E) Protozoa

Which one of the following does NOT belong with the others?
A) Peptidoglycan
B) Chitin
C) Cellulose
D) Nucleus

Which of the following organisms lack cell walls?
A) Fungi
B) Bacteria
C) Animalia
D) Plantae

Which of the following does NOT belong with the others?
A) Plantae
B) Animalia
C) Helminthes
D) Fungi
E) Protista

Fungi differ from bacteria in that fungi
A) Spoil food.
B) Are cellular.
C) Have cell walls.
D) Have DNA.
E) Have a nucleus.

Archaea differ from bacteria in that archaea
A) Lack peptidoglycan.
B) Lack nuclei.
C) Reproduce by binary fission.
D) Use organic compounds for food.
E) Are prokaryotic.

Bacteria differ from viruses in that bacteria
A) Have DNA and RNA.
B) Are composed of cells.
C) Can live without a host.
D) All of the above.

Which of the following lack a nucleus?
A) Animalia
B) Bacteria
C) Fungi
D) Protozoa
E) None of the above

Regular use of antibacterial cleaning products
A) A, B, and D
B) Is necessary for good health.
C) Promotes survival of bacteria that are resistant.
D) Prevents occurrence of infections.
E) Prevents bacteria from growing.

Which of the following statements about biofilms is false?
A) Biofilms on medical implants cause infections.
B) Biofilms on rocks provide food for animals.
C) Compared to free-living bacteria, biofilms are more sensitive to antibiotics.
D) Biofilms in your body protect mucous membranes from harmful microbes.
E) Biofilms in pipes block the flow of water.

Which of the following processes in making blue jeans is incorrectly matched?
A) Cotton – fungal hyphae
B) Blue dye – E. coli indigo
C) Plastic – bacterial PHA
D) Stone-washed – fungal enzyme
E) Debleaching – bacterial enzyme