Top 250+ Solved Bacteria and Gram Staining MCQ Questions Answer
Q. Which one of the following produce typical fried egg appearance colonies on solid media?
a. Mycobacteria
b. Mycoplasts
c. Mycoplasms
d. Bacteroides
Q. An organism that is osmophilic and has a specific requirements for sodium chloride resembles
a. Halophile
b. Basophile
c. Barophile
d. Xerophile
Q. A population of cells derived from a singlecell are called
a. Monclonal cell
b. Clones
c. Protoplasts
d. Sub culture
Q. Hetrolactic acid bacteria produce
a. Lactic acid only
b. Lactic acid + H2O + CO2
c. Lactic acid + CO2
d. Lactic acid + alchohol + CO2
Q. In which of the follwing microorganism, conjunction tube was not produced during conjunction process?
a. Thiobaillus thiooxidence
b. T. ferroxidance
c. Tetrahymena thermophila
d. Cryptaporiclium
Q. Which of the following is most similar to Rickettsia and Chlamydia?
a. Bdellovibrio
b. Clostridium
c. Mycobacterium
d. Mycoldaima
Q. How would you distinguish pseudomonasspecies from E-cloi?
a. Gram staining
b. Morphology
c. Glucose fermentation Vs Respiration
d. All of the above
Q. Which of the following is pathogenic to humans?
a. Spirogyra
b. Cephaleuros
c. Prototheca
d. Both b and c
Q. Tumer inducing plasmids are extensivelyused in production of
a. Avirulent phases
b. Single cell proteins
c. Transgenic plants
d. Nitrogen fixing bacteria
Q. The viruses that live as parasites on bacteria are
a. Fungi
b. Commensels
c. Bacteriophages
d. None of these
Q. Those fungi which do not have a sexualstage are classified as
a. Phycomycete
b. Ascomycetes
c. Basidiomycetes
d. Fungi imperfecti
Q. Tinea capitis is
a. Ring worm of the foot
b. Ring worm of scalp
c. Ring worm of non-hairy skin of body
d. Both a and c
Q. Diagnosis of bacterial disease can be made by
a. Finding bacteria in pathological fluids
b. Isolation of bacteria by culture from exudates or blood
c. Both a and b
d. None of these
Q. Staphylococcus aureus are characterized by
a. Formation of acid in sucrose, dextrose
b. Liquification of gelatin due to production of gelatinase
c. Strains are catalase positive
d. All of above