0% 0 Microbiology Quiz 9 1 / 50 Babu, a 28 year old male comes with compaint of exposure 3 wks back, having cervical Lymphadenopathy, Hepatosplenomegaly. Diagnosis of HIV is done by____________? P24 antigen Lymph node biopsy ELISA Western blot 2 / 50 Which is type II hypersensitivity ? Cytotoxic / cytolytic type Immune complex mediated Delayed hypersensitivity Anaphylaxis 3 / 50 Fungal infection of human beings is called as_____________? Mucorsis Micromia Mycosis Fungosis 4 / 50 Endotoxins differ from exotoxins in that endotoxins______________? are highly antigenic are proteins activate complement by the alternate pathway are heat labile 5 / 50 Following reaction are produced by heterophil antigens except_____________? Weil-Felix reaction Widal reaction Forssman antigen antibody reaction Paul bunnel reaction 6 / 50 Sterilisation control for moist heat is ?or? The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using_______________? using Bacillus stearo thermo philus Using methylene blue Using chemical indicator Using non-pathogenic strain of clostridium tetani 7 / 50 Antigen used in Weil-Felix reaction______________? Staphylococcus Proteus E.coli Haemophilus 8 / 50 Multiple drug resistance of bacteria depends on which of the following_______________? Fertility factor (F+) Colicigenic factor (Col) All of the above Resistance transfer factor (RTF) 9 / 50 Bacteria reproduce mainly by______________? Sporing Budding Binary fission Bacterial components produced by host cells 10 / 50 The time gap between appearance of Koplik?s spot and cutaneous rash in measles is________________? 2 weeks 10 days 24 Hrs 3-4 days 11 / 50 Opsonisation is by_______________? IgA Both C & D IgE IgG 12 / 50 Leishmania is cultured in ________________ media? NNN Tellurite Sabourauds Chocolate agar 13 / 50 The immediate type of hypersensitivity in which histamine doses not play a major role is______________? Anaphylaxis Urticaria Asthma Arthus reaction 14 / 50 Which worm is longest________________? T. Saginata Hook worm T. Solium Lumbricoides 15 / 50 The following hepatitis virus is transmitted by faeco-oral route________________? Hepatitis C virus Hepatitis B virus Hepatitis D virus Hepatitis E virus 16 / 50 The prototype of Type II hypersensitivity reaction is__________________? Contact dermatitis Auto immune hemolytic anemia Arthus reaction SLE 17 / 50 Virus is cultured in_______________? Saubourd?s agar Embryonated egg Rogosa medium Nonembryonated egg 18 / 50 Chlamydia causes all of the following except________________? Non-gonococcal urethritis Pneumonia Trachoma Parotitis 19 / 50 Growth factor needed for Salmonella_________________? Niacin Citrate Tryptophan B-12 20 / 50 Among The infectious diseases transmitted by food, one is___________________? Tuberculosis Viral stomatitis Diptheria Typhoid fever 21 / 50 Which of the following is not a koch?s postulate ? Pure cultures can be obtained The bacteria should be able to be isolated from a diseased tissue Bacteria should be able to be isolated from the diseased tissue in the experimental animals When inoculated in experimental animals bacteria may or may not cause disease 22 / 50 Steam under pressure in used in ________ sterilization? Autoclave Kochs sterilizer hot air oven Pasteurization 23 / 50 The exact part of the antigen that reacts with the immune system is called as_____________? Paratope Epitope Clone Idiotope 24 / 50 Which of the following is not transmitted by lice ? Q fever Trench fever Epidemic typhus Relapsing fever 25 / 50 Sterilisation is______________? Pathogens killed but spores are not affected Non-pathogenic killed All pathogenic and non-pathogenic microorganisms killed Only pathogenic micro-organisms killed 26 / 50 Components of innate immunity that are active against viral cells includes______________? Memory B cells NK Cells B cells Cytotoxic T cells 27 / 50 Viron is defined as______________? Smallest virus None of the above A smallest particle similar to virus Extracellular infectious virus particle 28 / 50 Which of the following are non-spore forming anaerobic bacteria that asume major significance in disease processes________________? All of the above Bacteroides fragilis Fusobacterium nucleatum Peptostreptococcus anaerobius 29 / 50 CD4 cells recognize the antigens in association with_____________? B-cell receptor MHC III MHC I MHC II 30 / 50 EBV causes all except_________________? Carcinoma of nasopharynx Papilloma Burkitt?s lymphoma Infectious mononucleosis 31 / 50 Anti HBsAB indicates______________? Hepatocellular carcinoma Resistance to hepatitis B Acute infection Good prognosis 32 / 50 IL-1 and TNF a during inflammation are secreted by______________? Lymphocytes Platelet Plasma cells Activated macrophages 33 / 50 The mechanism of genetic transfer where a phage serves as a vehicle is_______________? Lysogeny Transformation Translation Conjugation 34 / 50 Sunlight acts as sterilizing agent because_________________? short wave lenght Long wavelength Ozone Heat 35 / 50 Highest incidence of anemia in the tropics is due to______________? Hook worm Guinea worm Thread worm Ascaris 36 / 50 Borrelia vincenti is always associated with______________? Spirochaetes Treponema vincenti Fusiform bacilli None of the above 37 / 50 Staphylococcus does not causes_______________? Pneumonia Abscess Scarlet fever Osteomyelitis 38 / 50 In falciparum malaria, causes of anemia are due to all except__________________? Bone marrow depression Spleen sequestration Hemolysis Malabsorption 39 / 50 Which of the following lesions is NOT an infection from human papilloma virus ? Keratoacanthoma Verruca vulgaris Condyloma acuminatum Focal epithelial hyperplasia 40 / 50 The Process of attenuation can be achieved by all except___________________? Growing bacteria in unconventional host Growing bacteria in adverse environment Repeated cultures in artificial media Serial passage in an experimental host 41 / 50 Interferon interferes with replication of virus at the time of_____________? DNA/RNA replication When virus enters the cell Uncoating of the virus proteins capsule Protein synthesis 42 / 50 The bacterial cell wall has all of the following properties except______________? It is the structure principally responsible for the reaction of gram staining It consists of a mixed polymer called peptidoglycon It contains D-isomers of amino acids It is a unique flexible plastic structure 43 / 50 Drumstick appearance is seen in______________? All of the above Cl. tetanomorphum Cl. tetani Cl. sphenoids 44 / 50 Spores are disinfected by_______________? Betapropiolactone Formaldehyde Glutaraldehyde Both A & C 45 / 50 Neurotoxin of tetanus acts on______________? Muscle Synapse Brain Spinal card 46 / 50 Actinomycosis is caused by______________? Acid fast, non-motile bacillus Anaerobic, gram positive, non-acid fast bacteria. Retrovirus Fungus 47 / 50 Virulence of Gonococcus is due to___________________? Its intracellular location Pili Cell Membrane Cytolytic enzymes 48 / 50 Disinfection of the rooms can be done by using_______________? 20% phenol Chlorine gas 40% formaldehyde vapour High efficiency particle arrestors 49 / 50 Erysipelas is caused by________________? Gonococci Pneumococci Group A steptococci Group B staphylococci 50 / 50 Borelia vincenti is a______________? Mycobacteria Spirochaete Mycoplasma Chlamydia 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 8 Microbiology Quiz 10Next
