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.Management Sciences
Category: Microbiology
Which of the following organisms does NOT react with gram’s stain ?
A. Actinomyces israelii
B. Candida albicans
C. Mycobacterium tuberculosis
D. Streptococcus mutan
About N. gonorrhoea, all are true except__________________?
A. Most common cause of urethritis is male
B. All stains are highly susceptible to penicillin
C. Wide spread axoregnic stains cause disseminated gonococcal infection
D. Found exclusively in human beings.
Sterilisation is______________?
A. Pathogens killed but spores are not affected
B. Only pathogenic micro-organisms killed
C. Non-pathogenic killed
D. All pathogenic and non-pathogenic microorganisms killed
The following are applicable to bacterial genoms except________________?
A. It is composed of DNA
B. It doe not contain histones
C. It is circular
D. Its DNA has both introns and extrons
Which of the following is most potent antigen for stimulating both humoral and cell mediated immunity ?
A. Adjuvant
B. Proteins
C. Polysaccharides
D. Lipids
Spores are disinfected by_______________?
A. Glutaraldehyde
B. Betapropiolactone
C. Formaldehyde
D. Hexachlorophen
E. Both A & C
Immunoglobulin consists of________________?
A. 2 light, 2 heavy chains
B. 1 heavy, 2 light chains
C. 1 light, 1 heavy chain
D. 3 light, 1 heavy chain
Leptospirosis, all are true except______________?
A. Faeces & urine of rodents is the cause
B. Onset of IgM in 2 days
C. Incubation period is 10 days
D. It is sensitive to penicillin
The virus which causes Aplastic anemia in chronic hemolytic disease is_______________?
A. Adeno
B. Hepatitis
C. EB virus
D. Parvo virus
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