Host-Bacteria Relationships Quiz

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Which term describes a relationship where one organism benefits and the other is unaffected?

Parasitism

Mutualism

Commensalism (correct)

Antagonism

What is the difference between contamination and infection?

Contamination refers to the presence of viruses, while infection refers to the presence of bacteria.

Contamination and infection are the same thing.

Infection always leads to disease, while contamination does not.

Contamination refers to the presence of bacteria, while infection occurs when the bacteria cause harm to the host. (correct)

Which term describes the ability of a microorganism to cause disease?

Mutualism

Pathogenicity (correct)

Virulence

Commensalism

What is the difference between pathogenicity and virulence?

Pathogenicity refers to the ability to cause disease, while virulence refers to the severity of the disease caused. Signup and view all the answers

Which term describes a relationship where both organisms benefit?

Mutualism Signup and view all the answers

In the relationship between termites and protozoa, which organism benefits from the ability to digest cellulose?

Termites Signup and view all the answers

What is the term used to describe a relationship where both species benefit?

Mutualism Signup and view all the answers

Which of the following best describes commensalism?

One species benefits, and the other is unaffected Signup and view all the answers

What is the term used to describe a relationship where one species benefits at the expense of the other?

Parasitism Signup and view all the answers

In the context of host-bacteria relationships, what is meant by the term 'opportunism'?

Bacteria that do not usually cause disease but can under certain conditions Signup and view all the answers

What is the term used to describe a relationship where both species harm each other?

Antagonism Signup and view all the answers

What is the relationship between the pilot fish and the white tip shark?

The pilot fish is a commensal that feeds on the shark's leftovers Signup and view all the answers

Which of the following best describes the relationship between Staphylococcus epidermis and humans?

Commensal, as Staphylococcus epidermis feeds on the host's metabolic products without harming the host Signup and view all the answers

Which of the following best describes the difference between contamination and infection?

Contamination refers to the presence of microorganisms, while infection refers to the multiplication of parasitic organisms within the host Signup and view all the answers

What is the relationship between the malaria parasite Plasmodium and humans?

Parasitic, as Plasmodium feeds on the host and can cause harm or even death Signup and view all the answers

Host-Bacteria Relationships Quiz

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