MCQ/Multiple Choice Questions unit-3 microbiology 3rd semester B.Pharmacy


Here in this article we have provided the collection of MCQ/Multiple choice Questions of unit-3 (Morphological Replication & Cultivation of Viruses, Classification and Reproduction in Fungi, Disinfection, Sterility and Pryogen test) OF MICROBIOLOGY 3rd Semester B.Pharmacy.

1. Viruses are:

  • (a) Smallest known infective agents
  • (b) Ultra-microscopic
  • (c) Obligate parasites
  • (d) All the above

Answer:- d) None of the above

2. The proteinaceous coat surrounding the nucleic acid of virus particle is known as:

  • (a) Capsid
  • (b) Capsule
  • (c) Peplomere
  • (d) All the above

Answer:- (a) Capsid

3. A fully assembled infectious virus is called as:

  • (a) Micron
  • (b) Virion
  • (c) Prion
  • (d) None of the above

Answer:- (b) Virion

4. On the outer surface of the viral envelope, glycoprotein subunits exposed in the form of projecting spikes are known as:

  • (a) Capsid
  • (b) Capsule
  • (c) Peplomeres
  • (d) All the above

Answer:- (c) Peplomeres

5. Which of the following viruses have complex symmetry?

  • (a) Influenza virus
  • (b) Pox virus
  • (c) Rabies virus
  • (d) HIV

Answer:- (b) Pox virus

6. The embryonated hen’s egg was first used for cultivation of virus by :

  • (a) Louis Pasteur
  • (b) Knol & Ruska
  • (c) Robert Loch
  • (d) Woodruff, Good Pasteur & Burnett

Answer:- (d) Woodruff, Good Pasteur & Burnett

7. CAM of chick embryo is inoculated mainly for cultivation of:

  • (a) Pox viruses
  • (b) Herpes simplex virus
  • (c) Both a & b
  • (d) Rabies virus

Answer:- (c) Both a & b

8. Yolk is inoculated for cultivation of:

  • (a) Pox viruses
  • (b) Chlamydiae & Rickettsiae
  • (c) Both a & b
  • (d) Rabies virus

Answer:- (b) Chlamydiae & Rickettsiae

9. Extensively branched, filamentous body of a fungus is called:

  • a) Hyphae
  • b) Mycelium
  • c) Mold
  • d) Mushroom

Answer:- b) Mycelium

10. One of the following is not the major group of true fungi:

  • a) Slime molds
  • b) Molds
  • c) Yeasts
  • d) Mushrooms

Answer:- d) Mushrooms

11. Fungi belong to which of following categories:

  • a) Autotrophs
  • b) Chemoautotrophs
  • c) Chemoorganotrophs
  • d) Phagotrophs

Answer:- b) Chemoautotrophs

12. About 80-90% of the fungal cell wall is made up of:

  • a) Cellulose
  • b) Chitin
  • c) Proteins
  • d) Lipids

Answer:- b) Chitin

13. Asexual spores which are formed exogenously on sterigmata in chains are called:

  • a) Sporangiospores
  • b) Conidia
  • c) Ascospores
  • d) Basidiospores

Answer:- d) Basidiospores

14. Which of the following is not a sexual spore?

  • a) Zoospore
  • b) Zygospore
  • c) Ascospore
  • d) Basidiospore

Answer:- d) Basidiospore

15. Pesudohyphae is formed by:

  • a) Molds
  • b) Yeasts
  • c) Mushrooms
  • d) Slime molds

Answer:- b) Yeasts

16. Most common media used routinely for primary isolation of mycotic agents from clinical specimen is:

  • (a) SDA
  • (b) Yeast extract agar
  • (c) Nutrient caramal agar
  • (d) Iodine

Answer:- (a) SDA

17. The chemical disinfectant used in drinking water is:

  • a) Chlorine
  • b) Phenol
  • c) Alcohol
  • d) Iodine

Answer:- a) Chlorine

18. Fumigation in operation theatres for disinfection is done by: gas

  • a) Ethylene oxide gas
  • b) Formaldehyde
  • c) Carbon dioxide gas
  • d) Both b & c

Answer:- b) Formaldehyde

 19. Potassium permanganate is used in:

  • a) Vaccine bath
  • b) Serum bath
  • c) Seitz bath
  • d) None of the above

Answer:- c) Seitz bath

20. Disposal syringes or plastic goods are best sterilized by:

  • a) ETO
  • b) Formalin
  • c) Ozone
  • d) Glutaraldehyde

Answer:- a) ETO

21. Destruction or inhibition of microorganisms in living tissues is known as:

  • a) Sanitization
  • b) Dwormification
  • c) Incineration
  • d) Antisepsis

Answer:- d) Antisepsis

22. The active ingredient of detol is:

  • a) Chloroxylenol
  • b) Chlorohexidine
  • c) Chlorine
  • d) Formalin

Answer:- a) Chloroxylenol

23. A commercial preparation of glutaraldehyde used to sterilize cystoscopes, bronchoscopes, rubber anesthetic tubes, thermometers, polythene tubing is:

  • a) Vinolex
  • b) Finloex
  • c) Glidex
  • d) Vintex

Answer:- c) Glidex

24. Method in which a test chemical is rated for its microbicidal property with reference to phenol under identical conditions is :

  • a) Phenol ratio method
  • b) Phenol coefficient method
  • c) Phenol gradient method
  • d) Phenol dilution method

Answer:- b) Phenol coefficient method

25. Testing which confirms that products are free from the presence of viable microorganisms is known as:

  • a) Sterility testing
  • b) Pyrogen testing
  • c) Minimum inhibitory coefficient
  • d) None of the above

Answer:- a) Sterility testing

26. Test based on the rise of body temperature of rabbits is:

  • a) Sterility testing
  • b) Pyrogen testing
  • c) Minimum inhibitory coefficient
  • d) None of the above

Answer:- b) Pyrogen testing

This is the collection of all the MCQ available in unit 3 of microbiology 3rd semester B.Pharmacy.

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