Microbiology Quiz 1
1 / 50
All of the following lab tests can be used to distinguish streptococcus mutans from other oral streptococci, except______________?
2 / 50
About Bacteroids True are all Except_______________?
3 / 50
Gram -ve bacteria stain during gram staining____________?
4 / 50
Which of the following methods is adopted for screening HIV infection ?
5 / 50
Black pigmented anaerobes include all of the following except______________?
6 / 50
Candida is most often implicated in causation___________________?
7 / 50
Lesions caused by Entameoba histolytica predominantly involve________________?
8 / 50
Portal of entry of poliovirus in mainly_______________?
9 / 50
Who first introduced solid media_______________?
10 / 50
Disinfection frees the surface from______________?
11 / 50
Amoebic liver abscess can be diagnosed by demonstratig________________?
12 / 50
Each of the following can cause food poisoning except________________?
13 / 50
Chemotactic cytokine is_________________?
14 / 50
The facultative anaerobic bacteria are those who are_______________?
15 / 50
Which of the following provides best gurantee for sterlization in the heat sterilizer ?
16 / 50
parasitic inflammation would show predominantly____________________?
17 / 50
Bacteria acquire characteristics by all the following except_______________?
18 / 50
A type of immediately occuring reaction in which antigens combine with antibodies already attached to the surface of mast cells and basophils is called_____________?
19 / 50
A cerebrospinal fluid of a 2 years old child has been sent to the laboratory to detect the presence of capsulated yeast. The staining technique most commonly employed for the purpose is______________?
20 / 50
Common name for Trichuris trichura________________?
21 / 50
Graft versus host reaction is caused by_________________?
22 / 50
Cysticercosis celluosae is caused by_____________?
23 / 50
The difference between gram positive and negative bacteria lies in their_______________?
24 / 50
Mycobacterium tuberculosis is differentiated from other atypical mycobacteria by______________?
25 / 50
Salivary peroxidise system is known to be effective agianst________________?
26 / 50
The earliest identifiable cells of T-Cell lineage during maturation are_______________?
27 / 50
Actinomycetes is______________?
28 / 50
For the treatment of case of class III dog bite, all of the following are correct except_____________?
29 / 50
Teichoic acid is present in cell walls of_________________?
30 / 50
Hydatid cyst is__________________?
31 / 50
The interaction of antigens with antibodies on the surface of a mast cel leads to degranulation and anaphylaxis. The mast cell granules produce anaphylaxis because they contain________________?
32 / 50
IgG has subclasses_______________?
33 / 50
Human immunoglobulins are divided based on_____________?
34 / 50
The virus which causes Aplastic anemia in chronic hemolytic disease is_______________?
35 / 50
Incubation pariod of herpes zoster is________________?
36 / 50
Enterically transmitted NANB hepatitis B_____________?
37 / 50
Investigation of choice for invasive amoebiasis is________________?
38 / 50
The best skin disinfectant is________________?
39 / 50
Causative organism for gas gangrene_______________?
40 / 50
The reaginic antibody is________________?
41 / 50
IgG antibodies have a half-life of approximately_______________?
42 / 50
Which of the following viruses are most likely to cross placenta and cause foetal defect ?
43 / 50
The difference between sterilization and disinfection is that_______________?
44 / 50
Which of the following immunoglobulins has the highest mean serum concentration in humans_________________?
45 / 50
Complement binding immunoglobin via the classical pathway is_______________?
46 / 50
Leptospirosis, all are true except______________?
47 / 50
Which of the following enzyme is required to induce the formation of a plasma clot pathogenic staphylococci_____________?
48 / 50
Type I hypersensitivity is mediated by which of the following immunoglobulins ?
49 / 50
The mechanism of genetic transfer where a phage serves as a vehicle is_______________?
50 / 50
A child presents with infective skin lesions of the leg. Culture was done which showed gram positive cocci in chains and haemolytic colonies. Which of the following tests will best identify the organism ?
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