MICROBIOLOGY-3
51. Plasma cells are the end cells of
a. T-cells
b. β-cells
c. Killer cells
d. Nk-cells
52. Basophils have receptors for antibodies
a. IgG
b. IgA
c. IgM
d. IgE
53. Because of denaturation, antigens become functionless, these are called:
a. Cross-reactive antigens
b. Epitopes
c. Hidden epitopes
d. Forssman antigens
54. Capacity of antigen to breakdown into small fragments each with a single epitopic region is known as
a. Solubility b. Froeignness
c. Denaturation d. None of these
55. Antigenic specificity is due to
a. Chemical complexity
b. Solubility
c. Steric configuration
d. All of these
56. Antibodies are
a. Proteins
b. Glycoproteins
c. Phospholipids
d. None of these
57. General purpose antibody is
a. IgA
b. IgG
c. IgM
d. IgD
58. Antibody present in colostrums is
a. IgG
b. IgA
c. IgM
d. IgE
59. Which antibody is called millionaire molecule?
a. IgA
b. IgM
c. IgG
d. IgD
60. IgE is discovered by
a. Ishizaka
b. Porter
c. Richet
d. None of these
61. Food poisoning is caused by
a. Clostridum tetani
b. Clostridum Welchi
c. Diptheria
d. Clostridium botulinum
62. Koplic’s spots will develop in
a. HIV
b. Measles
c. Mumps
d. Rubella
63. Viral DNA is resistant to DNA of the host cell because it contains
a. 5’-HMC
b. 5’-HMA
c. 5’-CHM
d. 5’MHC
64. Which of the following is an example of live vaccine?
a. Pertusis
b. mumps
c. cholera
d. rabies
65. Triple toxoid vaccine gives protection against
a. Diphtheria, tetanus and rabies
b. Tetanus, whooping cough, Tuberculosis
c. Whooping cough, tetanus and Diphtheria
d. Whooping cough, cancer and T.B.
66. Higher dose of chloramphenicol affects the eukaryotic cells because
a. They have 30 S ribosomes
b. They have mitochondria
c. They have 70 S ribosomes
d. None of the above
67. AIDS is caused by
a. Retrovirus
b. Prion
c. Rhabdovirus
d. Retroprison
68. Penicillin is a
a. Primary metabolite
b. Secondary metabolite
c. Tertiary metabolite
d. None of the above
69. The rejection of an organ transplant such as a kidney transplant, is an example of _____ Hypersensitivity.
a. Immediate
b. Delayed
c. Allergy
d. None of these
70. Listeriosis was ______ disease.
a. Food borne
b. Water borne
c. Milk borne
d. Air borne
71. Pus-forming forms are called as
a. Pyoderm
b. Pyogenic
c. Pyrogen
d. None of the above
72. In Elisa technique, the antibodies are labeled by
a. Acridine orange
b. Alkaline phosphate
c. Neutral red
d. Bromothymol blue
73. __is a genetic disease charachterized by a total or partial inability to synthesize globulins.
a. Apitososis
b. Agamma globulinemia
c. Gammaglobulinemma
d. Sickle-cell anemia.
74. A study involving analysis of risk for genetic defects in a family is
a. Genetic Engineering
b. Genetic counseling
c. Genetic drift
d. Genetic equilibrium
75. Viral antigens are likely
a. Proteins
b. Glyco proteins
c. Lipo proteins
d. Both a and b
76. The suitable assay method for antibiotics is
a. Enzymatic assay
b. Turbidometric assay
c. End point determination assay
d. Metabolic assay
77. ELISA test is used for the identification of
a. Janudice
b. AIDS
c. Cancer
d. Diabetis
78. Incubation period for infective Hepatitis disease
a. 45 – 80 days b. 15 – 35 days
c. 35 – 50 days d. 5 – 15 days
79. All of the following are bacteriostatic chemotherapeutic agents except
a. Bacitracin
b. Chloramphenicol
c. Novobiocin
d. Tetracycline
80. Kinetosomes are observed in
a. Algae
b. Fungi
c. Protozoa
d. Viruses
81. βββ-lactum ring is present in
a. Erythromycin
b. Penicillin
c. Tetracyclins
d. Chromphenical
82. Antibiotic produced from Streptomyces orientalis is
a. Streptomycin
b. Penicillin
c. Vancomycin
d. Both a and b
83. The drug of choice for dermal, oral and vaginal candidiasis is
a. Griseofulvin
b. Amphoterein B
c. Gentian violet
d. Nystatin
84. Botulism means
a. Food adultration
b. Food poisioning by streptococcus bacteria
c. Chemical contamination of food
d. Food processing
85. Chloramphenicol is obtained from
a. Streptomyces griseus
b. Streptomyces venezuelae
c. Streptomyces pyrogenes
d. None of these
86. Streptomycin is obtained from
a. Streptococcus species
b. Streptomyces griseus
c. Straphylococcus aureus
d. None of these
87. The treatment required for small bodies of water is
a. Disinfection
b. Filtration
c. Purification
d. All of these
88. Surface ropiness is caused by
a. Alkaligenes viscolactis
b. Streptococcus
c. both a and b
d. None of these
89. Septicaemia is
a. Bacteria in blood
b. Toxin in blood
c. Pus in blood
d. Multiplication of bacteria and toxins in blood
90. In AIDS, Kaposis sarcoma may respond to
a. Interleukin – 2 infusion
b. Azathioprine
c. Alpha interferon
d. None of these
91. Ciprofloxacin acts by inhibiting
a. Cellwall synthesis
b. RNA synthesis
c. Folate synthesis
d. DNA gyrase
92. Lyme disease is caused by
a. Bacteria
b. Fungi
c. Spirochaete
d. Virus
93. Toxic shock syndrome is caused by
a. Staph. Albus
b. Staph. Aureus
c. Strep. Viridana
d. None of these
94. Black water fever is caused by
a. P. vivax
b. P. falciparum
c. P. ovale
d. None of these
95. Mantoux test detects
a. M. tuberculosis
b. Cynaobacteria
c. Clostridia
d. Both a and b
96. The antibiotic acting on cell wall is
a. Bactracin
b. Penicillin
c. Cyclosporine
d. All of these
97. Aflatoxin is produced by
a. Aspergillus sps
b. Penicillium sps
c. Alternaria sps
d. None of these
98. Penicillin is discovered by
a. Fleming
b. Pasteur
c. Koch
d. None of these
99. Antibiotics used in combination may demonstrate
a. Synergism
b. Antaginism
c. both
d. None of these
100. The drug of choice in anaphylactic shock?
a. Histamine
b. Corticosteroid
c. Epinephrine
d. None of these