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This section includes 859 Mcqs, each offering curated multiple-choice questions to sharpen your Cloud Computing knowledge and support exam preparation. Choose a topic below to get started.
51. |
All of the following statements about toxoplasmosis are true except: |
A. | Maternal infection acquired after 6 months has high risk of transmission |
B. | Arthalgia,sore throat and abdominal pain are the most common manifestations |
C. | Oocyst in freshly passed cat's faeces is infective |
D. | May spread by organ transplantation |
Answer» C. Oocyst in freshly passed cat's faeces is infective | |
52. |
All are true about non typhoid salmonella except- |
A. | can cause invasive disease in neonates |
B. | Poultry is source |
C. | Resistance to Fluoroquinolone has emerged |
D. | Blood culture is more sensitive than stool culture in gastroenteritis in adults |
Answer» E. | |
53. |
Positive shick's test indicates that person is |
A. | Hypersensitive to diptheria |
B. | Immune to diptheria |
C. | Carrier of diptheria |
D. | Susceptible to diptheria |
Answer» E. | |
54. |
When acetate is the sole source of carbon for some microorganisms, the cycle which is used, is called |
A. | glycolyic pathway |
B. | pentose phosphate pathway |
C. | oxaloacetate pathway |
D. | glyoxylate pathway |
Answer» E. | |
55. |
Treponema pallidum is stained using ? |
A. | Albert staining |
B. | Giemsa stain |
C. | Fontana stain |
D. | ZN stain |
Answer» D. ZN stain | |
56. |
Toxins are implicated as the major pathogenetic mechanism in all of the following bacterial diarrheas except: |
A. | Shigella sp. |
B. | Vibrio cholerae |
C. | Staphylococcus aureus |
D. | Vibrio parahaemolyticus |
Answer» E. | |
57. |
Louis Pasteur is associated with: |
A. | Discovery of the bacillus of tuberculosis |
B. | The cellular concept of immunity |
C. | Introduction of anthrax vaccine |
D. | Discovery of penicillin |
Answer» D. Discovery of penicillin | |
58. |
Scrub typhus is caused by - |
A. | Rickettsia tsutsugamushi |
B. | Rochalimaea quintana |
C. | Rickettsia prowazekii |
D. | Rickettsia typhi |
Answer» B. Rochalimaea quintana | |
59. |
All of the following statements about Penicillin Binding Proteins (PBP) are true, except |
A. | PBP's act as carboxypeptidases and traspeptidases |
B. | Alteration in PBP's is the primary bases of resistance in MRSA |
C. | PBP's are localized on the outer face of cell wall |
D. | PBP's are essential for cell wall synthesis |
Answer» D. PBP's are essential for cell wall synthesis | |
60. |
The egg of which helminth can be concentrated in saturated salt solution - |
A. | Taenia saginata |
B. | Taenia solium |
C. | Unfertilized egg of Ascaris |
D. | Ancylostoma duodenale |
Answer» E. | |
61. |
Which of the following statement regarding Enterococcus is False: |
A. | It is a cause for peritonitis |
B. | Common species are E.faecalis and E.faecium |
C. | It is a cause for intra abdominal abscess |
D. | It is universally susceptible to penicillin |
Answer» E. | |
62. |
Positive ions in a sea of electrons are found in |
A. | covalent bonds |
B. | ionic compounds |
C. | diatic bond |
D. | metallic bonds |
Answer» E. | |
63. |
Which dye is most suitable for fungal demonstration in biopsy - |
A. | Mason's trichome |
B. | P.A.S. |
C. | Alziharian red |
D. | Veirhoff dye |
Answer» C. Alziharian red | |
64. |
Which of the following viruses has helical nucleocapsid ? |
A. | Herpes |
B. | Rubella |
C. | Polio |
D. | Measles |
Answer» E. | |
65. |
In Titration the end point is indicated through |
A. | crystallization of salt |
B. | precipitation of salt |
C. | a pink color |
D. | change in the color of solution |
Answer» E. | |
66. |
Acute haemorrhagic conjunctivities is caused by: |
A. | Poliovirus |
B. | Hepadima virus |
C. | Entrovirus 70 |
D. | Adenovirus |
Answer» D. Adenovirus | |
67. |
Mycobacterium leprae can be grown in |
A. | Teepol agar |
B. | Tomato juice agar |
C. | Foot pad of mouse |
D. | LJ medium |
Answer» D. LJ medium | |
68. |
Which of the following is a true statement regarding Enterobacteriaceae |
A. | Motility is by polar flagellum |
B. | Glucose is not fermented by all members of the family |
C. | All members are oxidase positive |
D. | Nitrate reduction negative |
Answer» C. All members are oxidase positive | |
69. |
Aflatoxins are produced by: |
A. | Aspergillus fumigatus |
B. | Candida |
C. | Aspergillus flavus |
D. | Aspergillus niger |
Answer» D. Aspergillus niger | |
70. |
Which of the following is microaerophilic |
A. | Bacteroides |
B. | Pseudomonas |
C. | Campylobacter |
D. | Vibrio |
Answer» D. Vibrio | |
71. |
Predominant class of immunoglobulin during primary immune response is - |
A. | IgA |
B. | IgE |
C. | IgM |
D. | IgG |
Answer» D. IgG | |
72. |
false about Hemophilus influenzae is- |
A. | Protein capsule plays an important role in pathogenencity |
B. | In needs factor X and V for growth in culture media |
C. | Most common invasive manifestation is meningitis |
D. | It is a rate cause of meningitis in first two months of life |
Answer» E. | |
73. |
Which of the following acts as intermediate host of malaria parasite ? |
A. | Culex |
B. | Female anopheles |
C. | Thromboculid mite |
D. | Human |
Answer» E. | |
74. |
The following statements are true regarding Chlamydia except - |
A. | Erthromycin is effective for therapy of Chamydial infections |
B. | Their cell wall lacks peptidoglycan layer |
C. | They can grow in cell free culture media |
D. | They are obligate intracellular bacteria |
Answer» D. They are obligate intracellular bacteria | |
75. |
All occurs in botulism EXCEPT - |
A. | Diplopia |
B. | Diarrhoea |
C. | Dysphagia |
D. | Dysarthria |
Answer» C. Dysphagia | |
76. |
Flame cells are found in ? |
A. | Excretory portion of cestodes |
B. | Excretory portion of nematodes |
C. | Excretory portion of amoeba |
D. | Excretory portion of protozoa |
Answer» B. Excretory portion of nematodes | |
77. |
ROTA virus is diagnosed by: |
A. | IgM specific antibody in stool |
B. | ELISA demonstrates antibody in stool |
C. | Immunoflorescence antigen in stool |
D. | Culture of rota virus |
Answer» D. Culture of rota virus | |
78. |
The following are gram-negative cocci EXCEPT |
A. | Pneurnococci |
B. | Meningococci |
C. | Gonococci |
D. | Veilonella |
Answer» B. Meningococci | |
79. |
Which of the following parasitic infestation can lead to malabsorption syndrome? |
A. | Hookworm infestation |
B. | Giardiasis |
C. | Amoebiasis |
D. | Ascariasis |
Answer» C. Amoebiasis | |
80. |
Which of the following is true about Rotavirus |
A. | Commonly affects children |
B. | Double-stranded |
C. | Can be grown easily an cell culture |
D. | Egg shell appearance under electron microscope |
Answer» B. Double-stranded | |
81. |
Which bacteria acts by inhibiting protein synthesis: |
A. | Streptococcus |
B. | Klebscella |
C. | Pseudomonas |
D. | Staphylococcus |
Answer» D. Staphylococcus | |
82. |
The foundation for the germ theory of disease was set down by |
A. | Ronald Ross |
B. | Robert Koch |
C. | Walter Reed |
D. | Louis Pasteur |
Answer» E. | |
83. |
Mycoplasmas are different from the other prokaryotes by |
A. | presence of murrain in cell walls |
B. | presence of chitin in cell walls |
C. | absence of cell wall itself |
D. | presence of proteins in cell walls |
Answer» D. presence of proteins in cell walls | |
84. |
True about corynebacterium diptheria are all except: |
A. | Toxin production is responsible of local reaction |
B. | Iron is required for toxin production |
C. | Toxin production is by lysogenic conversion |
D. | Nonsporing,noncapsular and non motile |
Answer» B. Iron is required for toxin production | |
85. |
Innate immunity is stimulated by which part of bacteria ? |
A. | Carbohdrate sequence in cell wall |
B. | Flagella |
C. | Bacterial cell membrane |
D. | Nucleus |
Answer» B. Flagella | |
86. |
All the following are true about Listeria except |
A. | Gram negative bacteria |
B. | Transmitted by contaminated milk |
C. | Causes meningitis in neonates |
D. | Causes abortion in pregnancy |
Answer» B. Transmitted by contaminated milk | |
87. |
Group A streptococci is best diagnosed by - |
A. | Optochin sensitivity |
B. | Bacitracin sensitivity |
C. | Catalase negative |
D. | Bile solubility |
Answer» C. Catalase negative | |
88. |
The range of −5 oC to −25 oC is of |
A. | latent heat of freezing |
B. | depression of freezing point of ice |
C. | melting pure ice |
D. | melting salted ice |
Answer» E. | |
89. |
Intraspecies competition is the competition among - |
A. | Species |
B. | Individuals of a population |
C. | Individuals of a community |
D. | Populations and their regulatory factors |
Answer» C. Individuals of a community | |
90. |
Undulant fever is caused by - |
A. | Salmonella typhi |
B. | Staphylococcus aureus |
C. | Brucella melitensis |
D. | Coxiella burnetti |
Answer» D. Coxiella burnetti | |
91. |
Most common tumour caused by virus is - |
A. | Warts |
B. | Carcinoma cervix |
C. | Nasopharyngeal carcinoma |
D. | Lymphoma |
Answer» B. Carcinoma cervix | |
92. |
Localized myogenic infection is caused by which bacteria ? |
A. | Staphylococcus |
B. | Clostridium |
C. | Cornybacterium |
D. | Streptococcal |
Answer» B. Clostridium | |
93. |
Shick test is |
A. | Neutralisation tests |
B. | Delayed hypersensitivity |
C. | Anaphylaxis |
D. | Type II hypersensitivity reaction |
Answer» B. Delayed hypersensitivity | |
94. |
An adolescent male developed vomiting and diarrhoea 1 hour after having food from a restaurant. The most likely pathogen is - |
A. | Clostridium perfringens |
B. | Vibrio parahaemolyticus |
C. | Staphylococcus aureus |
D. | Salmonella typhimurium |
Answer» D. Salmonella typhimurium | |
95. |
Plaque formation in virus is done for: |
A. | Cloning sepration of specific viruses |
B. | Isolation and typing of viruses |
C. | Accessing multiplication of virus |
D. | Determining infectivity of virus |
Answer» E. | |
96. |
All are true regarding H.Pylori Except - |
A. | Less prevalent in developing countries |
B. | Ulcer is caused by toxigenic strains |
C. | Urea breath + ve test is a rapid method of detection |
D. | Gram +ve organism |
Answer» B. Ulcer is caused by toxigenic strains | |
97. |
Which of the following is not a cestode? |
A. | D. latum |
B. | T. saginata |
C. | Schistsoma mansomia |
D. | E. granulosus |
Answer» D. E. granulosus | |
98. |
Larval form of which parasite resides in muscle - |
A. | Taenia saginata |
B. | Echinococcus |
C. | Trichinella |
D. | All of the above |
Answer» E. | |
99. |
True regarding pertussis vaccine is: |
A. | 95% of vaccinated are protected |
B. | Erythromycin should be given to contacts |
C. | Neuroparalytic Complication is seen in 1 in 15000 |
D. | Leucocytosis is diagnostic |
Answer» C. Neuroparalytic Complication is seen in 1 in 15000 | |
100. |
The infective form of malarial parasite in the vertebrate host is - |
A. | Sporozoite |
B. | Merozoite |
C. | Schizont |
D. | Gametocyte |
Answer» B. Merozoite | |