0% 0 Microbiology Quiz 4 1 / 50 DNA covering material in a virus is called as________________? Capsomere Envelope Nucleocapsid Capsid 2 / 50 Physical sterilization was discovered by__________________? Robert Koch Joeph Lister Alexander flemings John Hunter 3 / 50 The mechanism by which most fungi caused disease is ________________? hypersensitivity exotoxin production lecithinase production Coagulase production 4 / 50 Most sensitive test for antigen detection is_______________? Immunoflourescence ELISA Passive hemaglutination Radioimmuno Assay 5 / 50 Same or closely related antigens present in different biological species are known as________________? Isoantigens Heterophile antigens Haptens Suquestrated antigens 6 / 50 The causative organism for cat-scratch disease is______________? Bartonella henselae Donovania granulomatis Chlamydia trachomatis Hemophilia ducreya 7 / 50 Seroconversion in HIV infection takes place in______________? 9 weeks 12 weeks 2 weeks 4 weeks 8 / 50 All are true about Entamoeba histolytica except________________? Cysts are 8 nucleated None Trophozoites colonise in the colon Cysts are 4 nucleated 9 / 50 All of the following are true of streptococcus except_____________? Most common is animals It?s group of lactic acid production bacteria Shows adherence to dental enamel Most common in humans 10 / 50 Glutaraldehyde is preferred more than formaldehyde because______________? It has got more bacteriostatic activity It has got more bactericidal activity It has got no deleterious effect on the cement and lenses of instruments Its application is easier 11 / 50 The structure in involved in bacterial attachment to cell surface is_______________? None of the above Flagella Capsule Fimbria 12 / 50 The culture media for fungus is__________________? NNN medium Tellurite medium Chocolate agar medium Sabourauds medium 13 / 50 Probiotic organism used_________________? Staphylococcus E coli Salmonella Bifido bacteria 14 / 50 CD4 count in normal healthy adult is_______________? 1000 500 300 200 15 / 50 Selective media for MYCOBACTERIUM _____________? Agar ? agar Sabourauds medium Lowenstein Jensen medium Loefflers serum slope 16 / 50 Signs of tyhoid fever is/are_____________________? perforation All of the above Osteomyelitis Haemorrhage 17 / 50 In patients with asthma due to an allergic cause the serum levels of which immunoglobulin increase____________________? IgD IgE IgM IgA 18 / 50 One of the following is a zoonotic disease_____________? Typhoid Cholera Anthrax Bacillary dysentery 19 / 50 Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________? Cocci Bacteriophages Filamentous rods Spirochetes 20 / 50 Confirmatory test for HIV infection is a_______________? Western Blot ELISA Immunodot RIPA 21 / 50 A rise in the anti-HBc immunoglobulin in a patient indicates________________? Carrier state Convalescencea Acute infection Prodromal phase 22 / 50 An oxidase-positive, gram-negative rod which produces a bluish-green pigment has been grown in culture from a swab obtained from an infected burn wound. This organism is susceptible to gentamicin, ticarcillin and tobramicin, but resistant to all the other antibiotics which of the following organisms is it likely to be ? Klebsiella pnemoniae Pseudomonas aeruginosa Proteus miribilis Escherichia coli 23 / 50 The following statement is true regarding fungal infection__________________? Rhinosporidium causes deep infection in man albicans is not pathogenic to lab animals Dermatophyte infection are exclusively man to animal Candida infection is usually endogenous 24 / 50 The anaphylaxis should be treated first with_____________? Anti histamines Antibiotics Epinephrine Steroids 25 / 50 The Ig found in exocrine secretions is_____________? IgA IgD IgG IgM 26 / 50 Dengue virus belongs to______________? Rhabdoviridae Reoviridae Flavi virus Togaviridae 27 / 50 Delayed tuberculin test response is due to_______________? Monocytes T lymphocytes B lymphocytes Histiocytes 28 / 50 Leprosy bacilli are transmitted from person to person by all except______________? From open sore Dischange from nasal mucosa Through intact skin Through breast milk 29 / 50 Which of the following is true about pasteurization ? It kills bacteria and spores It kills 95% of microorganisms It kills all bacteria except thermoduric bacteria Tubercle bacilli are destroyed 30 / 50 Loss of capsule in bacteria is generally associated with______________? increase in invasiveness Inability to spread through tissue Decease in virulence Loss of infectivity 31 / 50 Bacteria with potent exotoxin is_______________? Clostridium tetani Klebsiella Pseudomonas Shigella 32 / 50 Herpes virus_____________? Acquires its envelope from nucleolar membrane Acquires its envelope from cytoplasmi membrane Acquires its envelope from nuclear membrane None of the above 33 / 50 The antigen used in Weil Felix test is obtained from________________? coli Staphylococcus Pseudomonas Proteus 34 / 50 Dark ground microscopy is useful to identify______________? Mycoplasma Rickettsiae Spirochaetes Chlamydiae 35 / 50 Organism most frequently associated with urinary tract infections is_________________? Escherichia coli Neisseria gonorrhea Streptococcus fecalis T-strain mycoplasma 36 / 50 Actinomycosis is a_________________? Anaerobic fungal disease Aerobic bacterial disease Anaerobic bacterial disease Aerobic fungal disease 37 / 50 Which of the following is not true of boiling water_____________? Can kill mycobacterium tuberculosis Can kill vegetative bacterial cells It can kill hepatitis B virus Used for sterilizing surgical instruments 38 / 50 False +ve for VDRL is seen in______________? Malaria Yaws All of the above Lepromatous Leprosy 39 / 50 Which of the following is obligate aerobe ? diphtheria coli Proteus Pseudomonas aerogenosa 40 / 50 Which of the following would you consider to be general properties of viruses______________? Contain DNA but no RNA Fall in to the general size range of 200-3000 angstrom unit New virus particle arises directly (by division) from preexisting viruses Contain equal proportions of protein, lipo polysaccharide and nucleic acids 41 / 50 Function of T-lymphocyte is/are________________? Production of interferon Lymphokine production All of the above Rosette formation 42 / 50 A person working in an abattoir presented with a papule on hand, which turned in to an ulcer. Which will best help in diagnosis______________? Carbol Fuschin Acid Fast Stain Calcoflour White Trichrome Methylene blue 43 / 50 Group A carbohydrate of Str. pyogenes cross reacts with human_________________? Synovial fluid Cardiac valves Vascular intima Myocardium 44 / 50 Which stage of plasmodium vivax is infective to mosquito______________? Sporozoite Merozoite Zygote Gametocyte 45 / 50 Opportunistic infection is caused by___________________? Mucor Aspergillus All of the above Penicillium 46 / 50 Secretory Ig is_______________? IgD IgM IgE IgA 47 / 50 Which one of the following enteric organisms is anaerogenic and non motile ? Klebsiella pneumonia Proteus mirabilis Shigella sonnei Salmonella typhi 48 / 50 Rh incompatibility is which type of hyper sensitivity reaction ? Type IV Type II Type III Type I 49 / 50 Hepatitis C virus belongs to which one of the following virus groups ? Herpes viruses Hepadana viruses Picorna viruses Flavi viruses 50 / 50 Louis Pasteur is not associated with_______________? Introduction of complex media Disproved spontaneous regression theory Discovery of Rabies Vaccine Discovery of M. Tuberculosis 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 3 Microbiology Quiz 5Next
