Q 1 -
Identify correct statement regarding Robert Koch
A. He is known as father of
bacteriology
B the causative organism of
cholera, Vibrio cholera was
identified by him
C. He discovered
hypersensitivity phenomenon
D. All the above
ANSWER - D
Q2-Father of antiseptic surgery is
A Louis Pasteur
B. Robert Koch
C. Antonie Van Leeuwenhoek
D. Lister
ANSWER - D
Q3- which among the following is a
contribution by Louis Pasteur in the
field of microbiology?
A Techniques of
Pasteurization
B. Process of Fermentation
c. Rabies, cholera and
anthrax vaccine
D. All the above
ANSWER - D
Q 5 - Mycobacterium leprae is also known as
...............
A. Golden bacilli B. Koch's
bacillus
C. Magical bacilli D.
Hansen's bacilli
ANSWER - D
Q6- Drug of choice to treat leprosy is
.........
A Rifampicin
B. Acyclovir
C. Zidovudine
D. Dapsone
ANSWER - D
Q7 - Mycobacterium tuberculosis is also
known as
A Golden bacilli
B. Koch's bacillus
C. Magical bacilli
D. Hansen's bacilli
ANSWER - B
Q 8 -Correct statement regarding microscope
is.......
A Electrons are used as a
source of illumination in Electron
microscope
B. Antonie Van Leeuwenhoek
developed microscope first
time
C. Knoll & Ruska
developed electron microscope
D. All the above
ANSWER - D
Q8 - All of the following are acid-fast
organisms EXCEPT
A Mycobacterium tuberculosis
B. Nocardia
C. Isospora belli
D. Staphylococcus
ANSWER - D
9. Bacterial structure involved in
respiration is
A Ribosome
B. Pili
C. Mesosome
D. Flagella
ANSWER - C
10. Identify correct statement regarding
bacteria
A. Respiration, cell division
and sporulation are the
functions of mesosome in
bacteria
B. Capsule in bacteris
enables adherence to surface and
protection against
phagocytosis
C. Heterotrophs are the
bacteria that are unable to
Synthesize their own food
materials
D. All the above
ANSWER - D
Q11 -Correct regarding cocci are
.............
A Cocci are spherical shaped
bacteria
B. Cocci present in chain is
known as streptococci
C. Cocci present in the shape
of grapes is known as
staphylococci
D. All the above
ANSWER - D
12. Coma shaped bacteria are known as
A. Staphylococci
B. Streptococci
C. Vibrio
D. Bacillus
ANSWER – C
13. Which of the following is most resistant
to sterilization?
A Tubercle bacilli B. Viruses
C. Spores
D. Prions
ANSWER - D
14. Endoscope is sterilized by:
A Glutaraldehyde
B. Formaldehyde
C. Atuoclaving
D. Hot ait oven
ANSWER - A
16. Recommended transport medium for stool
specimen
suspected a contain Vibrio Cholerae is:
A Buffered glycerol saline
medium
B. Venkatraman-Ramakrishanan
medium
C. Nutrient broth
D. Boood agar
ANSWER - A
17. Which is an enriched media?
A Selenite F broth
B. Peptone water
C. MacConkey agar
D. Chocolate agar
ANSWER - B
18. Which of the following factor does not
affect microbial
growth? (RPSC Nsg Tutor 2009)
A Moisture
B. Disinfection
C Darkness
D. Temperature
ANSWER - C
19. Agar concentration required to prepare
nutrient agar is:
A 1-2%
B. 4-6%
C. 0.25-0.5%
D. 0.5-1%
ANSWER - A
20. HIV is a
A. Retrovirus
B. DNA virus
C. Fungus
D Bacteria
ANSWER – A
21. Mechanism of direct transfer of free
DNA:
A. Transformation
B. Conjugation
C Transduction
D. Transposition
ANSWER – A
21. MRSA is mediated due to
A Plasmid
B. Chromosome
C. Transposons
D. None
ANSWER – B
22. All of the following are vector bone
diseases except
A. Malaria
8. Filariasis
C. Rubella
D. Chagas disease
ANSWER – C
23. Primary immune response the correct
statement is:
A Involves IgG
B. Antibody producing cells.
Memory B cell
C. No lag period
D. Slow and sluggish
ANSWER – D
24- Which of the following infectious agents
can be transmitted
through blood transfusion?
A HIV
B. Treponemapallidum
C. Toxoplasmagondi
D. All of the above
ANSWER – D
25- which one of the following is post
streptococcal sequelae:
A Acute rheumatic fever
Cellulitis
cPharyngitis
D impetigo
ANSWER – A
26. A positive tuberculin test is indicated
by and area of
induration of:
A. <5mm in diameter
B. B. 6-9 mm in diameter
C.> 10 mm in diameter
D.Noinduration
ANSWER – C
27. Diagnostic test used for typhoid fever
is
A Blood culture
B. Dick Test
C. shick test
D. Widal test
ANSWER – D
27. Diagnostic test used for diphtheria is
A Blood culture
B. Dick Test
C. Shick test
D. Widal test
ANSWER – C
29. Diagnostic test used for TB is.....
A Mantoux test
B. Dick Test
C hick test
D.Widal
test
ANSWER – A
30. Diagnostic test used for scarlet fever
is ....
A.Mantoux test
B. Dick Test
C. shick test
D. Widal test
ANSWER – B
31. Diagnostic test used for typhus fever is
Mantoux test
B. Dick Test
C shick test
D. Weil Felix
ANSWER – D
32. Route of injecting shick test toxin/
purified protein derivative(mauntox test) is ............
A Intra vascular
B. Intra dermal
C intra muscular
D Subcutaneous
ANSWER – B
33. Site for injecting shick test toxin/
purified protein derivative
mauntox test) is ...
A Right upper arm
B Left upper arm
C. Left fore arm
D.Right forearm
ANSWER – C
34. Most accurate method of diagnosis of
Helicobacter pylori is:
A Culture
B. Biopsy urease test
C. Histopathology
D. Urea breath test
ANSWER – D
35. All of the following viruses are
transmitted by respiratory
route except:
A influenza virus
B Rota virus
C. Respiratory syncytial
virus
D. Rhinovirus
ANSWER – B
36. Acid fast staining is used to detect
A. Mycobacterium TB
B Ctetani
C HIV/AIDS
D. Meningococci
ANSWER – A
37. During the window period of patient with
AIDS, best
diagnostic test is:
A. ELISA
B. Western Blot
C. Rapid test
D. RT-PCR
ANSWER – D
38. Best indicator of HIV prognosis
A CD4T cell count
B. CD8 T cell count
C. HIV RNA
D ELIS
ANSWER – A
39. Most effective mode of transmission of
HIV:
A. Sexual
B. Blood product
C. Needle/syringe
D Mother of fetus
ANSWER – B
40. Most common malignancy in AIDS is;
A. Kaposi sarcoma
B. B-cell lymphoma
C. Leukemia
D. Burkitt's lymphoma
ANSWER – A
41- Food poison is caused by ..
A Clostridium perfringens
B. Clostridium botulism
C. Corynebacteriumdiphtherae
D. Clostridium tetani
ANSWER – B
42 -Which of the following is used for
sterilization of ystoscopesendoscopes and bronchoscopes?
A Gluteraldehyde
3. Ethanol
C Methanol
D Ethylene oxide
ANSWER – A
43. Method of sterilization used for culture
media is...
A Autoclave
B. Hot air oven
C. Pasteurization
D. None of the above
ANSWER – A
44. Which of the following is LIVE
ATTENUATED VACCINE?
A BCG vaccine
B. Rabies vaccine
C Diphtheria toxoid
D.Tetanustoxoid
ANSWER – A
45- Which of the following single dose is
sufficient for
immunization
A Live attenuated vaccine
B Killed vaccine
C. Taxoids
D. None of the above
ANSWER – A
46- The method of killing of all
microorganisms including their
spores is known as
A. Sterilization
B. Disinfection
C. incineration
D. Lysis
ANSWER – A
47. The method of reducing the number of
pathogens from anyarticle, surface or medium is called as
A Sterilization
B. Disinfection
C. Incineration
D. lysis
ANSWER – B
48. The causative agent of Tuberculosis
(T.B.) is
A. Mycobacterium tuberculosis
B. Mycobacterium leprae
C. Treponemapallidum
D. Borrelia species
ANSWER – A
49. The causative agent of Syphilis is
A. Mycobacterium tuberculosis
B. Mycobacterium leprae
C. Treponemapallidum
D. Borrelia species
ANSWER – C
50. VDRL test is used for the diagnosis of
A. Syphilis
B. Tuberculosis
C. Pneumonia
D. AIDS
ANSWER – A
51. Which of the following is moist heat
method ofsterilization?
A. Boiling
B. Autoclaving
C. Hot air oven
D. Both a &b
ANSWER – D
52. Temperature range used for autoclaving
is....
A. 100°C for 10 min
B. 100°C for 30 min
C. 121°C for 15 min
D. 121°C for 30 min
ANSWER – C
53. ELISA is used for the diagnosis of
A. AIDS
B. Night blindness
C. Sickle cell anaemia
D. All of the above
ANSWER – A
54. Name the first organic acid produced by
microbial
fermentation.
A. Acetic acid
B. Lactic acid
C. Butyric acid
D. None of the above
ANSWER – B
: 55. The most common viral cause of
gastroenteritis:
A Rotavirus
B. Norwalk virus
C. Adenovinis
D. Hepadnavirus
ANSWER – A
56. All are true about SARS EXCEPT:
A Epidemic is seen in India
B. Spreads by droplet
C Diagnosed by PCR
D.Caused by a type of
coronavirus
ANSWER – A
57. Perinatal Hepatitis B transmission is
maximum in
A 1" trimester
B. 2-trimester
C. 3 trimester
D.During delivery
ANSWER – D
58. Which Hepatitis virus is associated with
highest mortality in pregnancy?
A Hepatitis A
B Hepatitis B
c. Hepatitis C
D. Hepatitis E
ANSWER – D
59. Hepatitis virus that spreads by
fecal-oral route:
A. Hepatitis A
B. Hepatitis B
C. Hepatitis C
D. Hepatitis D
ANSWER – A
60. Acute hepatitis B infection is best
diagnosed by:
A HBsAg
B HBeAg
C. IgM Anti HBc antobody
D.HBcAg
ANSWER – C
61. Which parameter is not included in HAI
surveillance?
A CA-UTI (catheter associated
urinary tract infection)
B. CLABSI (central line
associated bloodstream infection)
C. VAP (ventilator associated
pneumonia)
D. Open wound infections
ANSWER – D
62. Hand rub should not be used in which
condition?
A. Before touching patient
B. After touching patient
C. After touching patient's
surrounding
D. Hands are visibly soiled
ANSWER – D
63. How many moments of hand hygiene have
been laid down
by WHO?
A. 5
B. 6
C 7
D.8
ANSWER – A
64.
Which antibody crosses placenta?
B IgG
A. IGA
C. IgE
D. IgM
ANSWER – B
65. Which is an example of surface lg?
A IgA
B. IgG
C. IgE
D.
IgM
ANSWER – A
66. Type I hypersensitivity is mediated by
which of the following immunoglobulins?
A IgA
B. IgG
C IgM
D IgE
ANSWER – D
67. Wheal and flare is which type of
hypersensitivity reaction:
A Type I
B Type II
C. Type IV
D. Type V
ANSWER – A
68. Type I hypersensitivity includes all of
the following except:
A. Autoimmune hemolytic
anemia
B. Anaphylaxis
C. Extrinsic asthma
D. Hay fever
ANSWER – A
69. A positive tuberculin test is an example
of:
A. Type I hypersensitivity
B. Type Il hypersensitivity
C. Type IlI hypersensitivity
D. Type IV hypersensitivity
ANSWER – D
70. Application of skin graft for the second
time from the same donor will result in:
A. First set rejection
B. Second set rejection
C. Both
D. None
ANSWER – B
71. Transplantation between members with
same genetic
constitution is known as:
A Autograft
B. Isograft
C. Allograft
D. Xenograft
ANSWER – B
72. All of the following are live-attenuated
vaccines except:
A MMR
B. Yellow fever 17D vaccine
C. Salk polio vaccine
D. Sabin polio vaccine
ANSWER – C
73 : Amphitrichous flagella means
Flagella all-round the cell
Flagella at both ends
Flagella at one end
D. Flagella in tufts
ANSWER – B
74: When Flagella is present all around the
cell it is called
A Amphitrichous
B. Monotrichous
C Peritrichous
D. Lopotrichous
ANSWER – C
75: India ink is used to demonstrate the
following part of bacteria
A. Cell wall
B. Nucleus
C. Capsule
D. Flagella
ANSWER – C
76. Reflected light is used in
A. Light microscope
B. Phase contrast microscope
C. Darkfield microscope
D. Electron microscope
ANSWER – C
77 . Bacteria that grow between 25 to 40'C
are
A Capnophilic
B. Psychrophilic
C Thermophilic
D. Mesophilic
ANSWER – D
78 . Shape of cocci
A Rod
8. Spherical
C. Comma
D. Spiral
ANSWER – B
79. Best way of sterilizing disposable plastic
syringes is:
I wove 2 & 3)
A. UV rays
B.Autoclave
C. Gamma rays
D.Hot air oven
ANSWER – C
80. . The most suitable disinfectant for
decontamination of HIV contaminated endoscope is (MAH19)
A 1% sodium hypochlorite
B. 2% glutaraldehyde
C 5% phenol
D. 70% ethanol
ANSWER – B
81- . Flexible fibre optic endoscopes are
sterilized by
A. Autoclave
B. Cetrimide
C. 2% glutaraldehyde
D. Gamma-radiation
ANSWER – C
82- . Which of the following organism can
survive pasteurization by Holder
method?
A Mycobacterium
B. Brucella
D. Coxiella burnetii
C. Salmonella
ANSWER – D
83 . Temperature and duration for flash
process of Pasteurization
A 77" for 20 seconds
B 100°C for 20 seconds
C. 63°C for 20 seconds
D. 63C for 30 minutes
ANSWER – A
84 . Sterilization of heat labile media is
done by
A. Filtration
B. Pasteurization
C. Autoclaving
D. Tyndalization
ANSWER – D
85 . Immunoglobulin that is inactivated at
high temperature
A IgG
B IgA
с Igм
D IgE
ANSWER – D
86. Immunoglobulins are
A. Glycolipids
B. Glycoproteins
C. Polypeptides
D. Proteoglycans
ANSWER – B
87. Exotoxins are usually
A. Protein
B. Heat labile
C. More antigenic
D. Non-enzymatic
ANSWER – A
88. True about exotoxins
A. Produced only by gram
positive bacteria
B. Neutralized by antitoxin
C. Less potent than endotoxin
D. Pyrogenic
ANSWER – B
89. The function of an adjuvant in a vaccine
is to enhance its:
A. Distribution
B immunogenicity
C. Absorption
D. Shelf life
ANSWER – B
90. The Immunity resulting in the infant, as
a result of
immunization of a pregnant woman with
tetanus tosold is
called
A. innate immunity
B. Natural active immunity
C. Artificial active immunity
D. Natural passive immunity
ANSWER – D
91. Anti-D given to a Rh negative pregnant
woman with Rh-
positive fetus, before delivery is an
example of
A. Artificial active immunity
B. Artificial passive
immunity
C. Natural passive immunity
D. Adoptive immunity
ANSWER – B
92: Gram-positive bacterials which is
usually sensitive to
penicilinis
A.. Staphylococcus aureus
B.Enterococcus faecalis
C.Streptococcus pyogenes
D.Staphylococcus epidermidis
ANSWER – C
93- Streptococ causing neonatal meningitis
A Group-A
B. Group-B
C Group-C
D Group-D
ANSWER – B
94 . Which of the following gram positive
bacteria is responsible for food poisoning?
A. Mycoplasmas
B. Pseudomonas
C. Clostridia
D. All of the above
ANSWER – C
95- . Methicillin resistance bacteria are
A Streptococci
B. Pseudomonas
C. Haemophilus
D. Staphylococci
ANSWER – D
96- The organism causing UTI in sexually active
women
A. Staphylococcus aureus
B.Staphylococcus epidermidis
C. Staphylococcus
saprophyticus
D. Streptococcus viridians
ANSWER – C
97- . Antibiotic used in Toxic shock
syndrome
A. Vancomycin
B.Cephalosporins
C. Streptomycin
D. Clindamycin
ANSWER – D
98 . Grave's disease belongs to
A Type I hypersensitivity
B. Type Il hypersensitivity
C Type III hypersensitivity
D. Type IV hypersensitivity
ANSWER – B
99. Type of hypersensitivity involved in Rh
incompatibility
A Type I hypersensitivity
B Type Il hypersensitivity
C Type Ill hypersensitivity
D Type IV hypersensitivity
ANSWER – B
100. Chemically an antigen may be
A Lipid
B. Polysaccharide
C Protein
D. Any of the above
ANSWER – D
101. Example of cell mediated
hypersensitivity
A Transfusion reactions
B.Arthus reactions
C. Type Il lepra reaction
D. Tuberculin test
ANSWER – D
102. Tuberculin test is an example of
A Type hypersensitivity
B. Type Ilhypersensitivity
C Type Ill hypersensitivity
D. Type IV hypersensitivity
ANSWER – D
103. Organism that has considerable
resistance to antiseptics
disinfectants and antibiotics
A E.coli
B. Pseudomonas
c. Staphylococci
D. Streptococci
ANSWER – A
104. Endocarditis in a patient with colon
cancer is caused by
A. Staphylococcus epidermidis
B. Streptococcus bovis
C. Streptococcus sanguis
D. Streptococcus mutans
ANSWER – B
105 . Which is a lactose fermenter?
A. Pseudomonas
B.Salmonella
C. Klebsiella
D. Shigella
ANSWER – C
106 . Rice water stool is associated with?
DNB 2015
A. Cholera
B. Bacillary dysentery
C. Salmonella infection
D. Pseudomembranous colitis
ANSWER – A
107. Bacteria associated with dental caries
A. Streptococcus mutans
B. Streptococcus pyogenes
C. Streptococcus faecalis
D. Streptococcus agalactiae
ANSWER – A
108 . Dose of human teanus Ig for post
exposure prophylaxis
A. 250-500 units
B. 500-750 units
C. 750-1000 units
D. 1000-1200 units
ANSWER – A
109. Most important cause of traveler's
diarrhea is
A Enterotoxigenic Escherichia
coli
B. Enteroinvasive E.coli
C. Enterohemorrhagic E.coli
D. Enteropathogenic E.coli
ANSWER – A
110 . Smallest virus is: (wave)
A Pox virus
B. Herpes virus
C. Parvo virus
D. Adeno virus
ANSWER – C
111- incubation period of measles
A. 1-2 days
B. 3-6 days
C. 1-7 days
D. 9 - 11 days
ANSWER – D
112. Dengue is caused by
A. Alphavirus
B. Bunyavirus
C Flavivirus
D. Hantavirus
ANSWER – C
113. Yellow fever is caused by
A Flavivirus
B Alphavirus
C Calcivirus
D. Bunyavirus
ANSWER – A
114. Infective period of Aedes mosquitoes in
dengue
A 1-2 days
B-10 days
C.- Till next bite
D- Till death
ANSWER – D
115. Scrub typhus is transmitted by:
A Louse
B. Trombiculid mite
C. Rat fles
D. Soft tick
ANSWER – B
116. Tinea pedis is casued by
A. E floccosum
B.T rubrum
C. Microsporum
D. T schoenleinii
ANSWER – B
117. Tenia pedia is seen among
A. People of cold countries
B. Those wearings socks and
shoes
C. Those walking barefoot
D. Hospitalized peope
ANSWER – B
118. Chances of perinatal HIV infectin to
the baby
A 0.5-1%
B. 30%
C. 50%
D. 90%
ANSWER – B
119. VDRL is used in the diagnosis of
A. Syphilis
B. HIV
C. Typhoid
D. Tuberculosis
ANSWER – A
120. Incubation period for primary syphilis
A 1-2 days
B. 1-2 weeks
C. 1 month
D. 3 months
ANSWER – C
121. Jarisch-Harxheimer reaction is common
in
A Congenital syphilis
B. Primary syphilis
C. Secondary syphilis
D. Tertiary syphilis
ANSWER – B
122. Lyme disease is caused by
A Borrelia vincenti
B. Borrelia burgdoferi
C. Borrelia recurrentis
D. Leptospira interrogans
ANSWER – B
123. SARS virus is a
A. Coronavirus
B. Lentivirus
C. Calcivirus
D. Arenavirus
ANSWER – A
124- Which one of the following agent can be
used to
malaria?
A Chloroquine
B. Albendazole
C. Attenuated vaccine
D Chloramphenice
ANSWER – A
125 . Range of incubation period in typhoid
A 3-21 days
B 10- 30 Day
C 1 - 3 months
D. 3-6 months
ANSWER – A
126. Route of administration of influenza
vaccine
A. Intradermal
B. Subcutaneous
C. Per oral
D. intranasal
ANSWER – D
127. Incubation period for influenza
pandemic H1N1
A. 12-24 hours
B. 1-3 days
C. 1 - 7 days
D. 5-10 days
ANSWER – C
128. Incubation period of mumps
A. 1-7 days
7-14 days
C 12-24 days
D. 21-28 days
ANSWER – C
129. Who discovered Oral polio vaccine which
is used now-a-das
Α. Καρrowsky
В. СоX
C. Salk
D. Sabin
ANSWER – D
130. Usual dose of purified protein
derivative in Mantoux testis
A- 5 IU
B.- 50 IU
C-100 IU
D -500IU
ANSWER – A
131. Corneal beading is a complication of
A. Leprosy
B AIDS
C. Herpes simplex keratitis
D. Acanthamoeba keratitis
ANSWER – A
132. Most common site of extrathoracic TB in
children
A Lymph node
B. Skeleton
C. Central nervous system
D. Heart
ANSWER – A
133. Mantoux +ve is induration measuring
A 10mm
B. 6-9mm
C. <5mm
D. >20mm
ANSWER – A
134. The botulism intoxication occurs due to
A. An endotoxin
B. An exotoxin
C. Neurotoxin
D. Mycotoxin
ANSWER – C
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12 Biology MCQs Book In Hindi
CG BOARD EXAM SOLUTIONS
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