Microbiology Quiz
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Questions and Answers

Fermentation is the conversion of sugar to alcohol to make wine and beer, that is done by yeasts in the absence of air.

True

The size of bacteria is best measured in nanometers.

False

The limit of resolution of the Transmission Electron Microscope is approximately 10,000 nm.

False

Gram-negative bacteria have peptidoglycan as a leading constituent part of the cell wall.

<p>True</p> Signup and view all the answers

The highest level in the taxonomic hierarchy is 'Kingdom'.

<p>False</p> Signup and view all the answers

Contact with cats or ingesting rare or raw meat is the primary mode of transmission of toxoplasmosis.

<p>True</p> Signup and view all the answers

Neutrophils respond to infection by releasing antibody proteins into the blood?

<p>False</p> Signup and view all the answers

The role of classical complement pathway is to lyse invading microbes?

<p>True</p> Signup and view all the answers

Lysozyme degrades DNA and RNA produced by pathogenic microbes?

<p>False</p> Signup and view all the answers

Typical monomer antibody consists of two heavy chains?

<p>False</p> Signup and view all the answers

The process of eliminating immature T-cells, preventing the body from attacking its own tissues, is called Thymic Selection?

<p>True</p> Signup and view all the answers

Precipitation involves the aggregation of soluble molecules?

<p>True</p> Signup and view all the answers

Antiviral drugs target viral processes that occur during viral infection?

<p>True</p> Signup and view all the answers

Drug resistance can be developed only in gram-negative bacteria?

<p>False</p> Signup and view all the answers

Agents which kill bacteria are called bactericidal and agents which only inhibit their growth are called bacteriostatic?

<p>True</p> Signup and view all the answers

Bacitracin test is used for presumptive identification of group A streptococci?

<p>True</p> Signup and view all the answers

Fermentation is the conversion of sugar to alcohol to make wine and beer, that is done by yeasts in the absence of air. True or False?

<p>True</p> Signup and view all the answers

The limit of resolution of the Transmission Electron Microscope is approximately 10,000 nm. True or False?

<p>False</p> Signup and view all the answers

Gram-negative bacteria have peptidoglycan as a leading constituent part of the cell wall. True or False?

<p>True</p> Signup and view all the answers

The highest level in the taxonomic hierarchy is 'Kingdom.' True or False?

<p>False</p> Signup and view all the answers

Generation time is the time required for a microbial population to double in number. True or False?

<p>True</p> Signup and view all the answers

Contact with cats or ingesting rare or raw meat is the primary mode of transmission of toxoplasmosis. True or False?

<p>True</p> Signup and view all the answers

The process of eliminating immature T-cells, preventing the body from attacking its own tissues, is called Thymic Selection.

<p>True</p> Signup and view all the answers

Precipitation involves the aggregation of soluble molecules.

<p>True</p> Signup and view all the answers

Antiviral drugs target viral processes that occur during viral infection.

<p>True</p> Signup and view all the answers

At least 1/3 of those individuals who are TB-positive are also HIV-positive.

<p>True</p> Signup and view all the answers

Chlamydia, Mycoplasma, and Ureaplasma cause non-gonococcal urethritis.

<p>True</p> Signup and view all the answers

BBl Septi-Chek System is used for the isolation and identification of causative agents of blood infections.

<p>True</p> Signup and view all the answers

Spontaneous generation theory means that living things come from nonliving things.

<p>True</p> Signup and view all the answers

The ability of a virus to infect an animal cell depends primarily upon the type of viral nucleic acid.

<p>True</p> Signup and view all the answers

Dinoflagellates cause paralytic shellfish poisoning.

<p>True</p> Signup and view all the answers

Most of the Algae are photoautotrophs and therefore they are classified as plants.

<p>False</p> Signup and view all the answers

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