1. According to Pasteur statements which one of the following is true
Correct : A. Living organisms discriminate between stereoisomers
2. “I found floating therin earthly particles, some green streaks, spirally wound serpent-wise, and orderly arranged, the whole circumstance of each of these streaks was abut the thickness of a hair on one’s head”…. These words are of
Correct : A. Leeuwenhoek
3. The principle light- trapping pigment molecule in plants, Algae, and cyanobacteria is
Correct : A. Chlorophyll a
4. During Bio Geo chemical cycle some amount of elemental carbon was utilized by the microorganisms. The phenomenon is called as
Correct : B. Immobilization
5. Who demonstrated that open tubes of broth remained free of bacteria when air was free of dust.
Correct : B. John Tyndall
6. Reverse isolation would be appropriate
for
Correct : A. a patient with tuberculosis
7. The symptome “ general feeling of illness and discomfort “ is called
Correct : B. Malaise
8. On soybean which of the following forms
symbiotism
Correct : D. Bradyrhizobium
9. Who provide the evidence that bacteriophage nucleic acid but not protein enters the
host cell during infection
Correct : C. Alfred
10. Spirulina belongs to
Correct : B. Cyanophyceae
11. The first antibody to contact invading
microorganisms was
Correct : B. IgM
12. The light emitted by luminescent bacteria
is mediated by the enzyme
Correct : C. Lactose dehydrogenase
13. Pick out the vector using in human
Genome project
Correct : B. Yeast artificial chromosomes
14. Salt and sugar preserve foods because
they
Correct : D. Produce a hypertonic environment
15. In a fluorescent microscope the objective
lens is made of
Correct : C. Polythene
16. Fixation of atmospheric nitrogen is by
means of
Correct : D. All of the above
17. Which one of the following fungi is the most serious threat in a bone marrow transplant unit?
Correct : B. Aspergillus
18. Direct microscopic count can be done with
the aid of
Correct : A. Neuberg chamber
19. The image obtained in a compound
microscope is
Correct : B. Virtual
20. Enzymes respons ib le for a lcoho l ic
fermentation
Correct : B. Zymase
21. Which type of spores are produced sexually?
Correct : C. Ascospores
22. Bacterial transformation was discovered
by
Correct : A. Ederberg and Tatum
23. Father of microbiology is
Correct : C. A.V. Leeuwenhock
24. The antiseptic method was first demonstrated by
Correct : B. Lord Lister
25. Small pox vaccine was first discovered by
Correct : D. Edward Jenner
26. The term mutation was coined by
Correct : C. Hugo devries
27. Compound microscope was discovered by
Correct : C. Johnsen & Hans
28. Father of Medical Microbiology is
Correct : C. Koch
29. Disease that affects many people at different countries is termed as
Correct : B. Pandemic
30. Prophylaxis of cholera is
Correct : B. Environmental sanitation
31. In electron microscope, what material is
used as an objective lense?
Correct : A. Magnetic coils
32. The main feature of prokaryotic organism
is
Correct : B. Absence of nuclear envelope
33. The stalked particles on the cristae of
mitochondria are called
Correct : B. Peroxisomes
34. Antiseptic methods were first introduced
by
Correct : A. Lord Lister
35. Kuru disease in Humans is caused by
Correct : C. Prions
36. A mutation that produces termination
codon is
Correct : C. Non-sense mutation
37. During conjunction the genetic material
will be transferred through
Correct : C. Pili
38. Antiseptic surgery was discovered by
Correct : A. Joseph Lister
39. Tuberculosis is a
Correct : B. Air borne disease
40. Phagocytic phenomenon was discovered by
Correct : C. Metchnikof
41. Meosomes are also known as
Correct : D. Chondroids
42. Hybridoma technique was first discovered
by.
Correct : A. Kohler and Milstein
43. The m in imum number of bacter ia required to produce clinical evidence of death in a susceptible animal under standard condition is called
Correct : C. MLD
44. In Electron Microscope source of electrons
is from
Correct : B. Tungsten metal
45. Griffith (1928) reported the phenomenon
of transformation first in
Correct : C. Pneumococci
46. The resolution power of the compound
microscope is
Correct : A. 0.2 micron
47. The capacity of a given strain of microbial
species to produce disease is known as
Correct : B. Virulence
48. Monoclonal antibodies are associated
with the name of
Correct : A. Burnet
49. Lederberg and Tatum (1946) described
the phenomena of
Correct : A. Conjunction
50. Hanging drop method for motility study
was first introduced by
Correct : D. Leeuwenhock
51. Electron microscope gives magnification
upto
Correct : D. 2,00,000 X
52. Term vaccine was coined by
Correct : B. Pasteur
53. The inventor of Microscope is
Correct : B. Antony von
54. First Pasteur conducted fermentation
experiments in
Correct : C. Fruit juices
55. Modern concepts of chemotherapy was
proposed by
Correct : A. Paul Ehrlich
56. The role of phagocytosis was discovered
by
Correct : C. Elie Metchikoff
57. L – forms are discovered by
Correct : A. Klein Berger
58. The causative organism of rocky mountain
spotted fever was first described by
Correct : C. Both a and b
59. The term bacteriophage was coined by
Correct : A. De’Herelle
60. Viral infection of bacteria was discovered
by
Correct : B. F.W. Twort
61. Eye cannot resolve any image less than
Correct : D. 5ìm
62. Compound Microscope was discovered by
Correct : C. Janssen and Hans
63. Electron Microscope was discovered by
Correct : C. Knoll and Ruska
64. Magnification range of light microscope is
Correct : B. 1000x – 2000x
65. Condensation of light in light Microscope
is by
Correct : B. Condensor
66. Light gathering capacity of Microscope is
called
Correct : A. Numerical aperture
67. If 10x and 40x objectives are used (air is
the medium), the numerical aperture is
Correct : C. 1.0
68. The ability of Microscope to distinguish two objects into two separate objects, is called.
Correct : A. Resolving power
69. Limit of resolution of compound microscope is
Correct : B. 0.1 mm
70. Source of light in fluorescence microscopy
is from
Correct : A. Mercury lamp
71. Who perfected a magnetic lens in 1927
Correct : A. Gabor
72. The magnefication power of electron microscope developed by Knell and Ruska is
Correct : B. 12,000x
73. The e lectron passed out from the
specimen are called
Correct : B. Secondary electrons
74. Mycorrhiza was first observed by
Correct : B. Frank
75. The transfer of genetic material during transformation is proved basing on Griffith’s experiment by
Correct : A. Avery Macleod & Mc.Carthy
76. Phagocytic theory was proposed by
Correct : B. Elie Metchnikoff
77. Anaphylaxia was first observed by
Correct : A. Parter & Richet
78. Primary mediators in anaphylaxis
Correct : D. All of these
79. Arthus reaction was discovered by
Correct : A. Marrice Arthu
80. Serum sickness reaction was discovered
by
Correct : B. Von perquit
81. Hybridoma technique was developed by
Correct : C. Both a and b
82. Disease that effects many people at different countries is termed as.
Correct : B. Pandemic
83. If the vectors transmit the infection
mechanically they are called
Correct : B. Mechanical vectors
84. If a person can be infected by direct contact with infected tissue of another person, it is termed as
Correct : C. Direct contact transmission
85. Reduction of virulence is known as
Correct : B. Attenuation
86. Enhancement of virulence is known as
Correct : A. Exaltation
87. The virulence of a pathogen is usually
measured by
Correct : D. All of the above
88. The lethal dose required to kill 50% of the
lab animals tested under standard called
Correct : B. LD50
89. The ability of a pathogen to spread in ths host tissues after establishing the infection is known as
Correct : B. Invasiveness
90. Which is the following enzyme acts as a
spreading factor?
Correct : A. Hyaluronidase
91. Vibrio Cholerae was discovered by
Correct : A. Koch
92. E.coli was first isolated by
Correct : B. Escherich
93. Mycobacterium tuberculosis was first
discovered by