260+ Bacteria and Gram Staining Solved MCQs with PDF Download (2024)

In Streptococcus fecalis, the conjugationtakes place at The infected mad dogs may contain What disease the Nesser will produce? Rancidity in spoiled foods is due to The Baterium that is most commonly usedin genetic engineering is The functions of plasmid are Mycoplasmas are bacterial cells that The etiologic agent of botulism is a The bacterial cells are at their metabolicpeak during Protein particles which can infect arecalled In most of purple bacteria, the light harvesting centers are Endotoxin produced by gramnegativebacteria is present in Which one of the following was Gramnegative, chemolithotrophic bacteria? The mode of reproduction which occursin mycoplasma is Which one of the following is aboutHerpes viruses? Which one of the following produce typical fried egg appearance colonies on solid media? An organism that is osmophilic and has a specific requirements for sodium chloride resembles A population of cells derived from a singlecell are called Hetrolactic acid bacteria produce In which of the follwing microorganism, conjunction tube was not produced during conjunction process? Which of the following is most similar to Rickettsia and Chlamydia? How would you distinguish pseudomonasspecies from E-cloi? Which of the following is pathogenic to humans? Tumer inducing plasmids are extensivelyused in production of The viruses that live as parasites on bacteria are The anthrax disease is most frequentlyinfected from The colonies produced by Pseudomonason Mac Conkey’s medium are Staining material of gram positivebacterium is The pigment present in red algae is During mitosis, synapsis occurs in thephase called Which of the following change is atransition? Citrus canker is caused by Bacter ia that are respons ib le forfermentation of dairy milk are The fungal disease that affect the internal organs and spread through the body are called The staining technique used to stain the metachromatic granules of Corynebacterium The orderly increase in all componentsof protoplasm of a cell is called The causative organism of cholera, i.e., Vibrio show the movement called Erythrocytes will get its ATP energy only by Virus will contain The bacterial pili mainly contain The wonder drug of second world war isproduced by Role of bacteria in carbon cycle is Centromere is that part of chromosome where Somatic cell of the adult body are haploidin many except Congential diseases are The enzyme needed in biological systemsfor joining two molecules is called Meosomes are the part of All prokaryotes are surrounded by a cellwall except Enzyme hydrolyzing bacterial cell wall Cows can digest straw because they contain The nucleus controls protein synthesis inthe cytoplasm by sending The site of energy production in a cell Thylakoid is present in Which one of the following bacteria has found extensive use in genetic engineering work in plants? Maximum application of animal cell culture technology today is in the production of Bacterial ribosomes are composed of The potorespiration involves Bioleaching is done by Inclusion bodies diagnostic of rabies arecalled Which of the following genera is most likely to contain organisms capable of surviving high temperature? The major role of minor elements insideliving organisms is to act as The apparatus used to ma inta in a continuous culture The test used to detect the deaminationof the amino acids by bacteria Diphtheria is caused by Koplic spots observed in the mucous membrane is characteristic feature of the disease A bacterium containing prophage iscalled as The most infectious food borne disease is An example for common air borne epidemic disease Vrial genome can become integrated intothe bacterial genomes are known as Rancidity of stored foods is due to theactivity of Virion means Virulence of the microorganisms can be reduced by The test used for detection of typhoid fever Bacteriophage capable of only lyticgrowth is called Diphtheria bacillus is otherwise known as Acridine dyes are more effective against In bacteria pigment bearing structures are The procedure of differential staining of bacteria was developed by Intermediate group of pathogen between bacteria and viruses which are intracellular parasites are called Bacillus is an example of Amoebic dysentery in humans is causedby Viral genome that can become integratedinto bacterial genome is called Cytochromes are The ce l ls hav ing F p lasm id in thechromosomes were termed as Recombination process occurring throughthe mediation of phages is Mordant used in grams staining is Parasitic form must contain Gram staining is an example for Following Cocci are non-motile except Aspergillus fumigatus can infect Enterotoxin responsible for food poisoningis secreted by Autolysis is done by A facultative anaerobic is The percentage of O2 required by moderate anaerobe is Interferon is formed by Pigment bearing structure of bacteria are Spirochete is Histones are found in Cell wall of gram negative bacteria is Cytoplasmic streaming is present in References