Microbiology MCQ (Quiz-6)  

Multiple choice questions with answer key

S. Y. B.PHARM Sem - III  (UNIT - 1)  

AS PER PCI SYLLABUS






1. Serum sickness reaction was discovered by
      A) Von perquit


... Answer is : A) Von perquit


2.Disease that effects many people at different countries is termed as




... Answer is : B) Sporadic

3. If a person can be infected by direct contact with infected tissue of another person, it is termed as





... Answer is : A) Direct contact transmission

4. Enhancement of virulence is known as




... Answer is : B) Exaltation


5.The lethal dose required to kill 50% of the lab animals tested under standard called




... Answer is : D) LD50

6. The ability of a pathogen to spread in ths host tissues after establishing the infection is known as .




... Answer is : C) Invasiveness

7. Vibrio Cholerae was discovered by




... Answer is : C) Metchnikoff

8. Mycobacterium tuberculosis was first discovered by





... Answer is : B) Robert Koch


9. Streptococcus pneumoniae was isolated by





... Answer is : B) Louis Pasteur

10. Staphylococcus aureus was isolated by




... Answer is : A) Louis Pasteur

11. T. pallidum was discovered by




... Answer is : C) Schaudinn and Hoffman

12.Rh factor of the blood was discovered by scientist




... Answer is : C) Landsteiner and Weiner

13. Fluroscent substance used in fluorescent microscopy are




... Answer is : C) Both

14.Hybridoma technique was developed by




... Answer is : C) None

15. If the vectors transmit the infection mechanically they are called




... Answer is : A) Mechanical vectors

16. Reduction of virulence is known as




... Answer is : A) Attenuation

17. The virulence of a pathogen is usually measured by




... Answer is : D) All of the above

18. The most important virulence factors are




... Answer is : D) All of the above

19. Which is the following enzyme acts as a spreading factor?




... Answer is : A) Coagulase

20. E.coli was first isolated by




... Answer is : C) Escherich