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2003 > Microbiology
- The media to which a substance is added to
prevent the growth of one bacteria, at the same time,
facilitating the growth of another bacteria, is called?
A. Selective media
B. Differential media
C. Enrichment media
D. Enriched media
Ans: C) Enrichment media
[Explanation]
- The ratio of Blood : Broth in Blood broth is?
A. 1 : 2
B. 1 : 5
C. 1 : 10
D. 1 : 20
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explanations, to
mcqs@netmedicos.com ]
- The complement component that stimulates bone marrow
is?
A. C2
B. C3b
C. C4
D. C9
Ans: B) C3b
- Type II hypersensitivity reactions include all of
the following, except?
A. Arthus reaction
B. Good pasture's syndrome
C. Myasthenia gravis
D. Hemolytic anaemia
Ans: A) Arthus reaction
[Explanation]
- Not a test to judge the effectiveness of
pasteurization is?
A. Plate test
B. Phosphatase test
C. Coliform counts
D. Methylene blue test
Ans: D) Methylene blue test
[By - Dr. Priyadarshi Hatekar,
thanks...!!!]
- The phase of bacterial growth curve during which the
growth rate of bacteria is constant is?
A. Exponential phase
B. Stationary phase
C. Log phase
D. Lag phase
Ans: C) Log phase
[Explanation]
- Transfer of free DNA (? / R factor) takes
place across the bacteria by?
A. Conjugation
B. Transformation
C. Transduction
D. Transversion
Ans: B) Transformation
[Explanation]
- Bacteria survive intracellularly by inhibiting?
A. Catalase
B. Hydrogen peroxide
C. Hydrolases
D. Formation of phagolysosomes
Ans: Formation of phagolysosomes
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explanations, to
mcqs@netmedicos.com ]
- All of the following are responsible for inherent
virulence of an organism, except?
A. Adhesin
B. Capsule
C. Lysozyme
D. Lipid A
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explanations, to
mcqs@netmedicos.com ]
- A virulent strain is one which?
A. has the ability to invade the body and multiply
B. is associated with a high number of clinical cases
C. is associated with worse prognosis
D. results in death of the patient
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explanations, to
mcqs@netmedicos.com ]
- All of the following statements are true regarding
Diphtheria, except?
A. Incubation period is 2 - 5 days
B. Nasal carriers are most dangerous
C. Subclinical cases are commonest
D. Single infection gives life long immunity
Ans: D) Single infection gives
life long immunity
[By - Dr. Priyadarshi Hatekar,
thanks...!!!]
[Ref: Panikar]
- All of the following are coccobacilli except?
A. Pseudomonas
B. Brucella
C. Bordetella
D. Hemophilus influenzae
Ans: A) Pseudomonas
[By - Dr. Priyadarshi Hatekar,
thanks...!!!]
[Ref: Panikar]
- Bacteriods are the causative agent of all except?
A. Furuncle
B. Carbuncle
C. Peritonitis
D. Necrotising fascitis
Ans: A) Furuncle
[Explanation - Furuncle is caused by Staphylococci]
- Viral etiology is implicated in all of the
following, except?
A. Condyloma lata
B. Condylomata accuminata
C. Molluscum contagiosum
D. Carcinoma of cervix
Ans: A) Condyloma lata
[Explanation]
- The type of cells responsible for recurrence in
malaria are?
A. Sporozoites
B. Merozoites
C. Hypnozoites
D. Schizonts
[Contribute questions, options, answers,
explanations, to
mcqs@netmedicos.com ]
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