1. Antibiotics used for treatment of cholera are
a. Tetracyclines
b. Penicillins
c. Streptomyces
d. None of these
Answer:a. Tetracyclines
2. Salmonella typhi is the causative organism of
a. Undulant fever
b. Remittent fever
c. Dengue fever
d. Enteric fever
Answer:d. Enteric fever
3. Which of the following Salmonella paratyphi is the commonest in India?
a. A
b. B
c. C
d. None of these
Answer:a. A
4. In enteric fever, the organ lodging maximum number of the organism is
a. Liver
b. Gallbladder
c. Small intestine
d. Large intestine
Answer:b. Gallbladder
5. True about Enteric fever is
a. Bacteraemia in first week
b. Carrier in 90%
c. All serotypes cause the disease
d. Rosy spots on 18th day
Answer:a. Bacteraemia in first week
6. Gastroenteritis is caused by
a. Shigella
b. V.cholerae
c. V.cholera Parahaemolyticus
d. S.typhi
Answer:c. V.cholera Parahaemolyticus
7. E.coli produces the following toxins:
a. Enterotoxins
b. Endotoxins
c. Vero Cytotoxins
d. Hemolysins
Answer:b. Endotoxins
8. The following infections caused by Esch. Coli, except
a. Urinary tract infections
b. Septic infections of wounds
c. Diarrhoea
d. Dysentery
e. Meningitis
Answer:e. Meningitis
9. Diphtheria is caused by
a. Corynebacterium diphtheriae
b. C. Bovis
c. C. Jeikeium
d. C. equi
Answer:a. Corynebacterium diphtheriae
10. Causative organism of diphtheria was first demonstrated by
a. Robert Koch
b. Louis Pasteur
c. Klebs and Loeffler
d. Volhard and Fahr
Answer:c. Klebs and Loeffler
11. Coryne bacterium is
a. Gram positive
b. Resistant to Penicillin
c. Gram negative
d. Resistant to Chloramphenicol
Answer:a. Gram positive
12. C. diphtheriae consists of
a. Starch granules
b. Polymeta phosphate granules
c. Lipid granules
d. None of these
Answer:b. Polymeta phosphate granules
13. The incubation period of diphtheriae is
a. Upto 2 weeks
b. Upto 1 week
c. 2–4 weeks
d. None of these
Answer:c. 2–4 weeks
14. Diphtheria virulence test is
a. Ascoli’s thermo precipitation test
b. Eleks gel precipitation test
c. C.R.P test
d. M.R.T. test
Answer:b. Eleks gel precipitation test
15. Diphtheria toxoid is prepared by using
a. Aldehyde
b. Formalin
c. Phenols
d. None of these
Answer:b. Formalin
16. Diphtheria is an example of
a. Bacteraemia
b. Pyaemia
c. Septicemia
d. Toxaemia
Answer:d. Toxaemia
17. Main symptom of tuberculosis is
a. Tubercle formation
b. Liquid formation
c. Both a and b
d. None of these
Answer:a. Tubercle formation
18. BCG vaccine is for the prevention of
a. Brucellosis
b. Diphtheria
c. Botulism
d. Tuberculosis
Answer:d. Tuberculosis
19. Dose of BCG vaccine is
a. 0.2–0.5 ml
b. 0.1 ml
c. 0.05 ml
d. 0.2 to 0.3 ml
Answer:b. 0.1 ml
20. Negative Mantoux test is important in
a. Pulmonary Koch’s syndrome
b. Sarcoidosis
c. Carcinoma bronchus
d. Lymphoma
Answer:a. Pulmonary Koch’s syndrome
21. Bacillus Calmette Guerin (BCG) contains the avirulent strains of
a. Human tubercle bacilli
b. Avian tubercle bacilli
c. Bovine tubercle bacilli
d. A typical mycobacteria
Answer:c. Bovine tubercle bacilli
22. Drugs used against tuberculosis (TB) are
a. Rifampicin, Isoniazid
b. Pyrazinamide, Streptomycin
c. Both a and b
d. None of these
Answer:c. Both a and b
23. The greatest number of tubercle bacilli is present in
a. Large sized tuberculomas
b. Military tuberculosis
c. Tuberculous lymphadenitis
d. Tuberculous cavity of the lung
Answer:d. Tuberculous cavity of the lung
24. Histoid Hansen is a veriety of
a. Tuberculoid Leprosy
b. Borderline tuberculoid
c. Borderline lepromatous
d. Lepromatous leprosy
Answer:d. Lepromatous leprosy
25. Streptococcus pyogenes produces all of the following lesions, except
a. Impetigo contagiosa
b. Erysipelas
c. Boil
d. Paronychia
Answer:d. Paronychia
26. Causative agent of Scarlet fever:
a. Staphylococcus aureus
b. Streptococcus viridans
c. Stre. pyogenes
d. None of these
Answer:c. Stre. pyogenes
27. Rheumatic fever is most commonly caused by
a. Str. viridans
b. Str. pyogenes
c. Stph. aures
d. None of these
Answer:b. Str. pyogenes
28. Penicillin is the drug of choice for
a. Scarlet fever
b. Whooping cough
c. Brucellosis
d. Cholera
Answer:a. Scarlet fever
29. In human beings str. pneumoniae causes
a. Septicaemia
b. Paronychia
c. Pneumonia
d. None of these
Answer:c. Pneumonia
30. Virulence factor for Stre. pneumoniae:
a. Capsular polysaccharide
b. Specific soluble substance
c. Vi-antigen
d. Forssman antigen
Answer:a. Capsular polysaccharide
31. Conjunctivitis in a newborn is caused by
a. Streptococcus
b. Pneumococcus
c. Meningococci
d. None of these
Answer:a. Streptococcus
32. Influenza is belonging to
a. Orthomyxoviridae
b. Retroviridae
c. Both a and b
d. None of these
Answer:a. Orthomyxoviridae
33. Influenza virus contains
a. Eight segments of RNA
b. Two strands of RNA
c. Single RNA
d. None of these
Answer:b. Two strands of RNA
34. ‘Reye’s syndrome’ is caused by
a. St.pneumoniae
b. St.pyogenes
c. Influenza
d. None of these
Answer:c. Influenza
35. German measles is also known as
a. Rubella / 2-day measles
b. Rubella / 3day measles
c. Rubella / 4-day measles
d. Rubella / 1-day measles
Answer:b. Rubella / 3day measles
36. The commonest cause of rubella in newborns
a. Congenital rubella
b. Postnatal rubella
c. Expanded rubella syndrome (ERS)
d. Both a and c
Answer:d. Both a and c
37. Mumps virus is going to go
a. Retroviridae
b. Paramyxoviridae
c. Orthomyxo viridae
d. None of these
Answer:b. Paramyxoviridae
38. Measles is characterized by
a. Negri Bodies
b. Babes-Ernst granules
c. Koplik’s spots
d. Fever
Answer:b. Babes-Ernst granules
39. Brucella causes
a. Pertusis
b. Plague
c. Brucellosis
d. None of these
Answer:c. Brucellosis
30. Mediterranian fever is caused by
a. M. tuberculosis
b. S. typhi
c. C.neoformans
d. Brucella
Answer:d. Brucella
41. Which of the following test is specific for Brucellosis?
a. Frei
b. Weil
c. Castaneda strip
d. Rose water
Answer:c. Castaneda strip
42. Malignant pustule is caused by
a. Anthrax
b. Tetanus
c. Diphtheria
d. None of these
Answer:a. Anthrax
43. The commonest form of anthrax in man is
a. Alimentary
b. Cutaneous
c. Pulmonary
d. Hepatic
Answer:b. Cutaneous
44. The animals most frequently infected with anthrax are
a. Sheep
b. Cattle
c. Goats
d. All of these
Answer:d. All of these
45. Virus causing Rabies is
a. Orthomyxovirus
b. Paramyxovirus
c. Rhabdovirus
d. Toga viruses
Answer:c. Rhabdovirus
46. Rhabdo viruses belong to the family:
a. Rhabdo viridae
b. Toga viridae
c. Paramyxo viridae
d. None of these
Answer:a. Rhabdo viridae
47. Rabies Virus isolated from natural human or animal infection is termed as
a. Street virus
b. Fixed virus
c. Both a and b
d. None of these
Answer:a. Street virus
48. Rabies virus can multiply in
a. The central nervous system only
b. The peripheral nerves
c. Muscle tissues
d. All the above
Answer:d. All the above
49. Neurological complications following rabies vaccines is common with
a. Chick embryo vaccine
b. HDCS vaccine
c. Semple vaccine
d. BPL vaccine
Answer:c. Semple vaccine
50. Which anti rabic vaccine has been recommended by WHO as the most effective?
a. Duck embryo vaccine
b. HDCS vaccine
c. Sheep brain vaccine
d. BPL vaccine
Answer:b. HDCS vaccine