WGU D311 Microbiology With Lab
Section 2 Questions With Answers.
What is a characteristic of rhizospheres? - ANSWER- The rhizosphere is where plants
release organic compounds that can be metabolized by microbes into soil.
Which environment would contain microbes that are psychrophilic? - ANSWER-
Glaciers
What is the role of nematodes in soil? - ANSWER- They prey on bacteria, smaller
nematodes, fungi, and even plant roots.
Which eukaryote is responsible for producing antibiotics to ward off bacterial
competitors? - ANSWER- Fungi
Which symbiotic relationship is an example of mutualism? - ANSWER- The relationship
between humans and the Escherichia coli colonizing the human gut.
Which type of symbiotic relationship exists between the E. coli that inhibit the human gut
and the humans who utilize the vitamin K produced by E. coli? - ANSWER- Mutualism
Describe resident microbiota. - ANSWER- Resident microbiota constantly live on the
human body.
Which relationship is exhibited by intestinal E. coli and their human host? - ANSWER-
Mutualism
Which type of disease is transmitted from animals to humans? - ANSWER- Zoonotic
diseases
Which type of disease is acquired in hospital settings? - ANSWER- Nosocomial
diseases
Which portal of exit can expel the most viral particles? - ANSWER- Respiratory
Which type of disease is sickle cell anemia? - ANSWER- Noninfectious
Which type of transmission occurs when tuberculosis is spread through small particles
expelled by a cough? - ANSWER- Droplet transmission
Which type of transmission occurs when pathogens are spread from mother to child
during breastfeeding? - ANSWER- Vertical direct contact transmission
Section 2 Questions With Answers.
What is a characteristic of rhizospheres? - ANSWER- The rhizosphere is where plants
release organic compounds that can be metabolized by microbes into soil.
Which environment would contain microbes that are psychrophilic? - ANSWER-
Glaciers
What is the role of nematodes in soil? - ANSWER- They prey on bacteria, smaller
nematodes, fungi, and even plant roots.
Which eukaryote is responsible for producing antibiotics to ward off bacterial
competitors? - ANSWER- Fungi
Which symbiotic relationship is an example of mutualism? - ANSWER- The relationship
between humans and the Escherichia coli colonizing the human gut.
Which type of symbiotic relationship exists between the E. coli that inhibit the human gut
and the humans who utilize the vitamin K produced by E. coli? - ANSWER- Mutualism
Describe resident microbiota. - ANSWER- Resident microbiota constantly live on the
human body.
Which relationship is exhibited by intestinal E. coli and their human host? - ANSWER-
Mutualism
Which type of disease is transmitted from animals to humans? - ANSWER- Zoonotic
diseases
Which type of disease is acquired in hospital settings? - ANSWER- Nosocomial
diseases
Which portal of exit can expel the most viral particles? - ANSWER- Respiratory
Which type of disease is sickle cell anemia? - ANSWER- Noninfectious
Which type of transmission occurs when tuberculosis is spread through small particles
expelled by a cough? - ANSWER- Droplet transmission
Which type of transmission occurs when pathogens are spread from mother to child
during breastfeeding? - ANSWER- Vertical direct contact transmission
