Deck 6: Beneficial Aspects of Microbes: The Other Side of the Coin

Question 1

Microbes are the foundation of the

A) biosphere.
B) mesosphere.
C) lithosphere.
D) ecosphere.

Answer 1

A

Question 2

Two necessary reactants in photosynthesis are

A) hydrogen and oxygen.
B) hydrogen and water.
C) carbon dioxide and oxygen.
D) carbon dioxide and water.

Answer 2

D

Question 3

Microbes are used to produce

A) sauerkraut.
B) salami.
C) cheese.
D) all of the above.

Answer 3

D

Question 4

What gas causes the leavening in bread?

A) carbon dioxide
B) oxygen
C) hydrogen
D) nitrogen

Question 5

The extracted juice of grapes and other fruits is treated with __________ in order to kill naturally occurring yeasts.

A) carbon dioxide
B) nitrogen dioxide
C) sulfur dioxide
D) hydrogen dioxide

Question 6

Sweet wines are created by

A) stopping the fermentation process when a significant amount of sugar is left.
B) allowing the fermentation process to continue until very little sugar is left.
C) adding sugar after the wine has been fermented.
D) none of the above.

Question 7

The Human Genome Project is

A) genetic engineering.
B) the sequencing of the 23 pairs of human chromosomes.
C) the cloning of human organs.
D) the cloning of genes.

Question 8

A bacterium added to make yogurt would include which of the following?

A) Escherichia
B) Staphylococcus
C) Listeria
D) Lactobacillus

Question 9

The Exxon Valdez Oil Spill occurred in which state?

A) Alaska
B) Massachusetts
C) Hawaii
D) California

Question 10

What is the science of wine making?

A) Ecology
B) Phrenology
C) Pharmacology
D) Enology

Question 11

The phase in which ammonia is converted into nitrates is

A) denitrification.
B) nitrification.
C) nitrogen fixation.
D) none of the above.

Question 12

Which of the following is true?

A) All bacteria cause disease.
B) Most bacteria cause disease.
C) Most bacteria do not cause disease.
D) Bacteria are useless.

Question 13

In some grazers, bacteria help break down

A) carbohydrates.
B) cellulose.
C) glucose.
D) all of the above.

Question 14

In a fish tank, bacteria are primarily

A) producers.
B) consumers.
C) decomposers.
D) photosynthesizers.

Question 15

The goal of sewage and wastewater treatment is to prevent the contamination of clean water with what?

A) fecal bacteriophages
B) fecal yeast
C) fecal pathogens
D) all of these

Question 16

Which of the following characteristics does NOT describe consumers?

A) They require organic compounds.
B) They exhale carbon dioxide.
C) They release oxygen.
D) They are mostly animals.

Question 17

Which of the following microbes is/are NOT associated with photosynthesis?

A) Nitrobacter
B) Chlorella
C) Saccharomyces cerevisiae
D) none are associated with photosynthesis

Question 18

Symbiosis is best represented by

A) the association of consumers and producers in an environment.
B) the association of leguminous plants and nitrogen-fixing bacteria.
C) the chemical reactions that occur in the carbon cycle.
D) the connection between the components of an ecosystem.

Question 19

The process by which ammonia is converted into nitrates is known as

A) nitrogen fixation.
B) ammonification.
C) denitrification.
D) nitrification.

Question 20

This enzyme is added to milk to make cheese.

A) lactose
B) rennin
C) lactobacillus
D) Rhizobium

Question 21

Which of the following is not a distilled spirit?

A) brandy
B) whiskey
C) gin
D) wine

Question 22

Which of the following is an example of a biogeochemical cycle?

A) Krebs cycle
B) carbon cycle
C) rubidium cycle
D) all of these

Question 23

Photosynthetic organisms use the sun's energy and carbon dioxide to make ___________________.

Question 24

A yeast commonly used in the fermentation of alcoholic beverages and breads is ____.

Question 25

What two factors affect a cheese's consistency?

Question 26

Give two examples of distilled spirits.

Question 27

Microorganisms are useful as research tools for a variety of reasons---name two.

Question 28

Name two examples of producers in an ecosystem.

Question 29

Spores of what microbe are added during the production of bleu and Roquefort cheese.

Question 30

The largest oil spill in the United States is referred to as the __________________ oil spill.

Question 31

What do producers release?

Question 32

What is the process called that utilizes the enzymatic activity of microbes to break down pollutants such as oil, paper, and concrete?

Question 33

Human insulin is produced by cloning the human "insulin gene" into which microbe's genetic material?

Question 34

Name two nondairy food products that are made with the help of microorganisms

Question 35

________ is the photosynthetic alga found on the surface of ocean water.

Question 36

Microbes that break down compounds into simpler constituents are called __________.

Question 37

___________________ are the link between producers and consumers.

Question 38

Why are green plants considered primary producers?

Question 39

The reaction CO₂ + H₂O O₂ + C₆H₁₂O₆ represents ___________________________.

Question 40

Grazing animals are called ___________________________________.

Question 41

In making bread, which microbes are added to the dough to cause the bread to "rise"?

Question 42

There is an oil spill in a harbor. Scientists want to use bacteria to help clean up the spill. Is this a good idea? Discuss the role bacteria would play.

Question 43

Give at least four reasons why microbes are excellent candidates for microbial factories.

Question 44

Describe the nitrogen cycle.

Question 45

Discuss the possible benefits of fermenting foods for ancient peoples.

Question 46

Discuss fermentation and explain how microbes are used for the production of fermented foods

Question 47

What bacterium would you choose for the bioremediation of mercury from nuclear wastes?

Question 48

What are probiotics?