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INSTANT DOWNLOAD COMPLETE TEST BANK WITH ANSWERS

Brock Biology of Microorganisms 15th Edition By Michael T. Madigan

–Test Bank

Sample Questions

Brock Biology of Microorganisms, 15e (Madigan et

al.)Chapter 5 Microbial Growth and Its Control

• Multiple Choice Questions

• Which of the following is/are transferred to daughter cells during

bacterialcell division?

• A) only genomic DNA, the blueprint for everything the cell needs

• B) individual genes and enzymes to later be brought together to

formthe genome

• C) only the chromosome and enzymes to immediately begin

cellularmetabolism

• D) chromosome, proteins, and all other cellular constituents

Answer: D

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Bloom’s Taxonomy: 1-2: Remembering/Understanding

Chapter Section: 5.1

• Bacterial growth refers to

• A) an increase in the number of cells.

• B) the occurrence of binary fission.

• C) the time required for one cell to divide into two.

• D) the occurrence of mitosis.

Answer: A

Bloom’s Taxonomy: 1-2: Remembering/Understanding

Chapter Section: 5.1

• The time interval required for the formation of two cells from one is

calledthe

• A) generation time.

• B) growth time.

• C) growth rate.

• D) division rate.

Answer: A

Bloom’s Taxonomy: 1-2: Remembering/Understanding

Chapter Section: 5.1

• Turbidity measurements are commonly utilized for monitoring

• A) planktonic cultures.

• B) biofilms.

• C) conies.

• D) sessile cultures.

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Answer: A

Bloom’s Taxonomy: 1-2: Remembering/Understanding

Chapter Section: 5.8

• The time between inoculation and the beginning of growth is usually

calledthe

• A) lag phase.

• B) log phase.

• C) dormant phase.

• D) death phase.

Answer: A

Bloom’s Taxonomy: 1-2: Remembering/Understanding

Chapter Section: 5.3

• Optical density and viable cell concentration are LEAST proportional

toeach other during the

• A) lag phase.

• B) exponential growth phase.

• C) stationary phase.

• D) death phase.

Answer: D

Bloom’s Taxonomy: 3-4: Applying/Analyzing

Chapter Section: 5.8

• When attempting to determine viable cell counts of a heatsensitivebacterial isolate, which cell counting method should be

avoided?

• A) spread-plate method

• B) pour-plate method

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• C) live staining and direct counting with a microscope

• D) both spread- and pour-plate methods

Answer: B

Bloom’s Taxonomy: 3-4: Applying/Analyzing

Chapter Section: 5.7

• Bacteria that are able to grow in humans and cause disease would

beclassified as

• A) psychrophiles.

• B) mesophiles.

• C) thermophiles.

• D) hyperthermophiles.

Answer: B

Bloom’s Taxonomy: 3-4: Applying/Analyzing

Chapter Section: 5.9

• An agar plate for counting colonies and maximizing statistical

validityshould ideally contain

• A) 1 to 100 colonies.

• B) 50 to 100 colonies.

• C) 30 to 300 colonies.

• D) 100 to 1000 colonies.

Answer: C

Bloom’s Taxonomy: 1-2: Remembering/Understanding

Chapter Section: 5.7

• Relative to enzymes in mesophilic microorganisms, which of the

followingis NOT characteristic of enzymes in psychrophiles?

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