0% 0 Microbiology Quiz 5 1 / 50 Viruses can be isolated from clinical samples by cultivation in the following except_______________? Embryonated eggs Chemically defined media Tissue culture Animals 2 / 50 ASO (Antistreptolysin 0) test is uesd for the diagnosis of________________? Rickettsial fever Typhoid fever Rheumatie fever Rheumatoid arthritis 3 / 50 Culture medium for corynebacterium diphtheria______________? Lowenstein Jensen Medium Mc Conkey Saborauds agar Loefflers serum slope 4 / 50 The key cell types involved in the acquired immunity include all EXCEPT________________? T lymphocytes B lymphocytes Erythrocytes Antigen presenting cells (APC 5 / 50 Medusa lock appearance in X ray is seen in______________? Ascariasis and tapeworm Hood worm Ascariasis Tapeworm 6 / 50 Madura mycosis produces______________? Brown to black granules Red granules White to yellow granules No granules 7 / 50 Mark true in following ? Kyanasur forest disease is caused by bite of wild animal None of the above Lyssa virus is transmitted by ticks Hanta virus pulmonary syndrome is caused by inhalation of rodent urine and faces 8 / 50 Which of the following belongs to cell fraction derived vaccine______________? Rubella Hepatitis B Measles Mumps 9 / 50 One of the following is an agglutination test in the diagnosis of typhoid___________? Widal test Wasserman test Eleks test Mantoux test 10 / 50 Wasserman test test is diagnostic of__________________? Syphilis Gonorrhea Tyhoid TB 11 / 50 Which of the following characteristics of bacteria is not true? Free living Unicellular Having either DNA or RNA Cell wall containing muramic acid 12 / 50 The presence of Which of the following factors in viruses makes protective vaccines a possibility ? Enzymes Protein coat Lipids Polysaccharide 13 / 50 Black water fever is caused by______________? Plasmodium vivax Leishmania donovani Plasmodium falciparum Microfilaria 14 / 50 Injection abscesses due to use of contaminated vaccines occurs in infections caused by_______________? M. smegmatis M. Kansasii M. chelonae M. ulcerans 15 / 50 Active artificial immunization is induced by the administration of all of the following EXCEPT______________? Bacterial products Toxoids Vaccines Antitoxins 16 / 50 Bacteria acquire characteristics by all of the following except___________________? Through bacteriophages Though plasmids Incorporating part of host DNA through conjugation 17 / 50 The serum concentration of which of the following human IgG subclass is maximum ? IgG3 IgG2 IgG4 IgG1 18 / 50 During the Window period of patient with AIDS_______________? PCR is ? ve Both are ? ve Western Blot is ? ve ELISA IS ? ve 19 / 50 Endotoxin have all but one of the properties given below_______________? Cannot be toxoided Not secreted outside the cell Produced by gram positive bacteria Produced by gram negative bacteria 20 / 50 All are not true for cultivation of anaerobic organisms except_______________? anaerobic jar Centrifuge Incubator Refrigerator 21 / 50 Megaloblastic anaemia is caused by_________________? Hookworm Dog tapeworm Threadworm Fish tapeworm 22 / 50 Which of the following is most potent antigen for stimulating both humoral and cell mediated immunity ? Proteins Polysaccharides Adjuvant Lipids 23 / 50 The type of immunoglobulin most commonly increased in multiple myeloma is_______________? IgG IgM IgD IgA 24 / 50 All of the following infections may be transmitted be dental instruments except____________? Hepatitis C Hepatitis E Hepatitis B HIV 25 / 50 Which of the following is not used as disinfectant________________? 5% chloroxylene 100% alcohol 1-2% cetrimide 2% Lysol 26 / 50 Most fungi of medical importance belongs to__________________? Ascomycetes Deuteromycetes Zygomycetes Basidiomycetes 27 / 50 Function of Ig A is________________? Acts as a mucosal barrier for infection Circulating antibody Activates macrophages Kills virus infected cells 28 / 50 Plasmid__________________? Both A & B Imparts capsule formation Involved in multidrug resistance transfer Involved in conjugation 29 / 50 Staphylococci typically occur in_________________? Irregular clusters Chains Pairs Tetrads 30 / 50 Characters of exotoxin include all, except_______________? Protein polysaccharide complex Has specific tissue affinity Heat labile Highly potent 31 / 50 In HIV, gp 120, envelope glycoproteins bind specifically to______________? B ? cells CD8 T-cells CD4 T-cells NK ? cells 32 / 50 Candida albicans causes all of the following except______________? Meningitis Oral thrush Mycetoma Endocarditis 33 / 50 The classic opportunistic infection in acquired immune deficiency syndrome is_____________? Tuberculosis Apthous stomatitis Herpetic gingivostomatitis Pneumocystis carinii pneumonia 34 / 50 Normal ratio of CD4 (T4) : CD8 (T8) is_________________? 3:01 1:03 2:01 1:02 35 / 50 A veterinary doctor had pyrexia of unknown origin His blood culture in special laboratory media was positive for gram negative short bacilli which was oxidase positive. Which one of the following is the likely organism grown in culture ? Brucella spp Bartonella spp Pasturella spp Francisella spp 36 / 50 When horse serum is injected intravenoulsy in to a rabbit and again in to the skin two or three weeks later, what is the necrotizing reaction that occurs as the site of the second injection________________? Anaphylaxis Serum sickness Atopy Arthus phenomenon 37 / 50 Malignant pustule is referred to_________________? Cutaneous anthrax Infected squamous cell carcinoma Facio-cervical actinomycosis None of the above 38 / 50 Fungus capable to forming fungal ball is ________________? Mucor Aspergillus Penicillium Rhizopus 39 / 50 Germ tubes are formed mainly by_______________? Candida pseudotropicalls Candida tropicalis Candida stellatoidea Candida albicans 40 / 50 A sporangium contains_______________? Chlamydospores Spherules porangiospores Oidia 41 / 50 Organ of locomotion in bacteria is________________? Flagella Capsule Fimbria Cell wall 42 / 50 True about prions________________? Viruses which are genetically deficient Composed largely proteins without any nucleic acid Viral components may be synthesized but maturation & assembling is defective Phase in which virus cannot be demonstrated in host cell 43 / 50 Streptococcus is classified based on__________________? Bile Solubility Cell wall carbohydrate M Protein Cultural characteristics 44 / 50 The following is not true of Candida albicans______________? Yeast like fungus Forms Chlamydospores Blastomeres seen in isolates Seen in immunocompromised and causes meningitis in them 45 / 50 Bacteriophage was discovered by_________________? Robert koch Metchinkoff Twort and d?herelle Menkin 46 / 50 Resistance of Staphylococcus aureus is due to ________________________? Pleomorphism Lack of nucleic acid in the cell wall Penicillin analogue production Elaboration of an enzyme that destroy penicillin 47 / 50 All are true about widel test except________________________? O antibodiest last longer and hence is not indicative of recent infection Base lines differ depending on the endemicity of the disease H antigen cannot differentiate between subtypes High titre value in a single widal test is not confirmative 48 / 50 The temperature required for cultivating mycobacterium________________? 27 degrees 2 degree 0 degree 37 degrees 49 / 50 The small nonparticulate protein leading to enhanced replication of HBV as well as HIV is______________? HBs Ag Hbe Ag HBx Ag HBc Ag 50 / 50 Phospholipid used to investigate syphilis by the reagin test is________________? Plasminogen Palmityl lecithin Cardiolipin Serine Provide Your Information Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevMicrobiology Quiz 4 Microbiology Quiz 6Next
