Microbiology Quiz

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

The size of bacteria is best measured in nanometers.

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

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

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

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

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

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

Lysozyme degrades DNA and RNA produced by pathogenic microbes?

Typical monomer antibody consists of two heavy chains?

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

Precipitation involves the aggregation of soluble molecules?

Antiviral drugs target viral processes that occur during viral infection?

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

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

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

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?

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

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

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

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

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

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

Precipitation involves the aggregation of soluble molecules.

Antiviral drugs target viral processes that occur during viral infection.

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

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

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

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

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

Dinoflagellates cause paralytic shellfish poisoning.

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