Microbiology MCQs Mock Test – Chapter 3

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

Fluroscent substance used in fluorescent microscopy are?

Hybridoma technique was developed by?

The etiologic agent of botulism is a?

The apparatus used to maintain a continuous culture?

Endotoxin produced by gramnegative bacteria is present in?

The mode of reproduction which occurs in mycoplasma is?

Which one of the following was Gramnegative, chemolithotrophic bacteria?

Mycoplasmas are bacterial cells that?

Mycorrhiza was first observed by?

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

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

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

Pseudomonas aeruginosa was first named?

Streptococcus pneumoniae was isolated by?

Anaphylaxia was first observed by?

The infected mad dogs may contain?

Primary mediators in anaphylaxis?

Arthus reaction was discovered by?

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

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

Reduction of virulence is known as?

The most important virulence factors are?

Mycobacterium tuberculosis was first discovered by?

Phagocytic theory was proposed by?

Enhancement of virulence is known as?

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

The bacterial cells are at their metabolic peak during?

The virulence of a pathogen is usually measured by?

If the vectors transmit the infection mechanically they are called?

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

Trepanema pallidum was discovered by?

Which is the following enzyme acts as a spreading factor?

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

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

Rh factor of the blood was discovered by scientist?

T. pallidum was discovered by?

Staphylococcus aureus was isolated by?

Protein particles which can infect are called?

In Streptococcus fecalis, the conjugation takes place at?

Mycobacterium lepree was discovered by?

Serum sickness reaction was discovered by?

The functions of plasmid are?

Neisseria gonorrhoeae was first described by?

The electron passed out from the specimen are called?

What disease the Nesser will produce?

B.anthracis was isolated by?

Cold like symptoms are caused by which bacteria?

109. Diphtheria is caused by?

E.coli was first isolated by?