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KNRUHS MBBS Microbiology June 2025 (MB2019115 Regular)

MB2019115Kaloji Narayana Rao University of Health Sciences · Microbiology · 2025 · June · Regular

Questions (25)

  1. 1.Robertson's cooked meat medium is an example of: a) Enriched medium b) Enrichment medium c) Anaerobic medium d) Selective medium
    1 Mark
  2. 2.Mechanism of direct transfer of free DNA is: a) Transformation b) Transposition c) Conjugation d) Transduction
    1 Mark
  3. 3.Filariasis in India is transmitted by a) Musca domestica b) Anopheles gambiae c) Culex quinquefasciatus d) Aedes aegypti
    1 Mark
  4. 4.BCG vaccine is an example of: a) Natural active immunity b) Natural passive immunity c) Artificial passive immunity d) Artificial active immunity
    1 Mark
  5. 5.Which of the following samples is not useful in diagnosis of Enteric fever? a) Blood b) Stool c) Urine d) Sputum
    1 Mark
  6. 6.Which of the following parasite causes megaloblastic anaemia? a) Ancylostoma duodenale b) Plasmodium falciparum c) Diphyllobothrium latum d) All of the above
    1 Mark
  7. 7.Which one of the following is an enriched medium? a) Selenite F Broth b) Peptone water c) MacConkey agar d) Blood agar
    1 Mark
  8. 8.Organisms producing extended spectrum β-lactamases (ESBL) are: a) Resistant to all penicillins- 1st, 2nd & 3rd generation cephalosporins and monobactams b) Resistant to penicillins c) Resistant to cephalosporins of 1st,2nd & 3rd generation d) Resistant to cephalosporins of 4th generation
    1 Mark
  9. 9.Which of the following can be converted to toxoid by formaldehyde a) Exotoxin b) Endotoxin c) Endospore d) All of the above
    1 Mark
  10. 10.All waste sharps should be discarded in: a) Cardboard boxes with blue coloured markings b) Puncture proof and leak proof white containers c) Red coloured non- chlorinated container d) Yellow coloured container
    1 Mark
  11. 11.Define and classify Hypersensitivity Reactions. Write in detail about type IV Hypersensitivity Reactions.
    15 Marks
  12. 12.A 7 year old female child presented to cardiology OPD with swollen red tender joints which migrated from one joint to another over a period of hours. The child was having abnormal gait. She also complained of painless small mobile lumps beneath the skin overlying bony prominences. On auscultation murmur was heard over the Mitral valve area. ECG showed prolongation of P-R interval. Child gives a history of sore throat 3 weeks back. a. What is the probable clinical diagnosis and its aetiological agent? b. Describe the diagnosis criteria used for this condition. c. How will you prevent recurrence of such episodes?
    15 Marks
  13. 13.Anaerobic culture methods.
    6 Marks
  14. 14.Bacterial Flagella.
    6 Marks
  15. 15.Polymerase chain reaction.
    6 Marks
  16. 16.Transduction.
    6 Marks
  17. 17.Methods of detecting Viral Growth in Cells.
    6 Marks
  18. 18.Stool concentration techniques.
    6 Marks
  19. 19.Laboratory diagnosis of Fungal Infection.
    6 Marks
  20. 20.Negribody
    3 Marks
  21. 21.Four differences between Classical and El tor Vibrios.
    3 Marks
  22. 22.Sheathed Microfilaria.
    3 Marks
  23. 23.Visceral Larva Migrans.
    3 Marks
  24. 24.Give three examples of Heterophile Agglutination reactions.
    3 Marks
  25. 25.What is the principle of a Fluorescence Microscope.
    3 Marks

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