Microbiology MCQs Mock Test – Chapter 3

The most important virulence factors are?

The mode of reproduction which occurs in mycoplasma is?

Disease that effects many people at different countries is termed as?

The virulence of a pathogen is usually measured by?

The major role of minor elements inside living organisms is to act as?

The infected mad dogs may contain?

Trepanema pallidum was discovered by?

The lethal dose required to kill 50% of the lab animals tested under standard called?

109. Diphtheria is caused by?

Mycobacterium lepree was discovered by?

Serum sickness reaction was discovered by?

Which of the following genera is most likely to contain organisms capable of surviving high temperature?

The ability of a pathogen to spread in ths host tissues after establishing the infection is known as?

B.anthracis was isolated by?

Enhancement of virulence is known as?

Pseudomonas aeruginosa was first named?

Protein particles which can infect are called?

In most of purple bacteria, the light harvesting centers are?

Which is the following enzyme acts as a spreading factor?

Anaphylaxia was first observed by?

The etiologic agent of botulism is a?

The bacterial cells are at their metabolic peak during?

Mycoplasmas are bacterial cells that?

Phagocytic theory was proposed by?

T. pallidum was discovered by?

The transfer of genetic material during transformation is proved basing on Griffith’s experiment by?

Primary mediators in anaphylaxis?

Streptococcus pneumoniae was isolated by?

The test used to detect the deamination of the amino acids by bacteria?

In Streptococcus fecalis, the conjugation takes place at?

Fluroscent substance used in fluorescent microscopy are?

Mycobacterium tuberculosis was first discovered by?

Neisseria gonorrhoeae was first described by?

If a person can be infected by direct contact with infected tissue of another person, it is termed as?

The Baterium that is most commonly used in genetic engineering is?

The apparatus used to maintain a continuous culture?

What disease the Nesser will produce?

The electron passed out from the specimen are called?

E.coli was first isolated by?

Which one of the following was Gramnegative, chemolithotrophic bacteria?

The functions of plasmid are?

If the vectors transmit the infection mechanically they are called?

Staphylococcus aureus was isolated by?

Endotoxin produced by gramnegative bacteria is present in?

Rh factor of the blood was discovered by scientist?

Reduction of virulence is known as?

Hybridoma technique was developed by?

Arthus reaction was discovered by?

Cold like symptoms are caused by which bacteria?

Mycorrhiza was first observed by?