Microbiology QUIZ Part VII– Topic BACTERIAL GENETICS | GPAT, Drug Inspector, DCO, Pharmacist, EXIT, NIPER

1. All of the following are non-sense codons except:

  • a.     UAG
  • b.    UGA
  • c.     UAA
  • d.    AAG
View Answer

D

2. The process of transfer of genetic information from DNA to RNA is known as:             

  • a.     Transformation
  • b.    Transduction
  • c.     Transcription
  • d.    Translation
View Answer

C

3. Which of the following properties may be plasmid mediated?

  • a.     Resistance to drugs
  • b.    Enterotoxin production
  • c.     Lactose fermentation
  • d.    All of the above
View Answer

D

4. Which of the following enzymes are required for lactose fermentation?

  • a.     Beta-galactosidase
  • b.    Galactoside permease
  • c.     Transacetylase
  • d.    All of the above
View Answer

D

5. During mutation, when a purine is replaced by pyrimidine and vice-versa, it is named:

  • a.     Transversion
  • b.    Transition
  • c.     Induced mutation
  • d.    None of the above
View Answer

A

6. During mutation, when one pyrimidine is replaced by another pyrimidine and one purine by another purine, it is named:

  • a.     Transversion
  • b.    Transition
  • c.     Induced mutation
  • d.    None of the above
View Answer

B

7. Transfer of genetic information through free or naked DNA is called:

  • a.     Transformation
  • b.    Transduction
  • c.     Conjugation
  • d.    Lysogenic conversion
View Answer

A

8. Transmission of a portion of DNA from one bacterium to another by a bacteriophage is known :

  • a.     Transformation
  • b.    Transduction
  • c.     Conjugation
  • d.    Lysogenic conversion
View Answer

B

9. The transfer of genetic material from one bacterium to another by mating or contact is called:

  • a.     Transformation
  • b.    Transduction
  • c.     Conjugation
  • d.    Lysogenic conversion
View Answer

C

10. F factor carrying some chromosomal DNA is named:

  • a.     F factor
  • b.    F prime factor
  • c.     Hfr
  • d.    Resistance  transfer factor
View Answer

B

11. Which of the following factors is responsible for transferable drug resistance in bacteria?

  • a.     Resistance transfer factor
  • b.    F factor
  • c.     Colicogenic factor
  • d.    All of the above
View Answer

A

12. Resistance transfer factor can be transferred from one bacterium to another by:      

  • a.     Transformation
  • b.    Transduction
  • c.     Conjugation
  • d.    None of the above
View Answer

C

13. Drug resistance in Mycobacterium tuberculosis is due to :

  • a.     Transformation
  • b.    Transduction
  • c.     Conjugation
  • d.    Mutation
View Answer

D

14. Penicillin resistance is Staphylococcus aureus may be acquired by:

  • a.     Transformation
  • b.    Transduction
  • c.     Conjugation
  • d.    Mutation
View Answer

B

15. The technique of identifying DNA fragments by DNA: DNA hybridization is called:

  • a.    Southern blotting
  • b.    Northern blotting
  • c.     Western blotting
  • d.    None of the above
View Answer

A

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Category: Microbiology

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Microbiology

Microbiology QUIZ Part IV-STERILISATION AND DISINFECTION

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The process by which an article, surface or medium is made free of all microorganisms either in the vegetative spore form is known as:

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Chemical disinfectants which can be safely applied to living tissues to prevent infection are known as:

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Temperature and time period used in hot air oven is:

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Temperature and time period used in holder method of Pasteurization is

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Which of the following bacteria can survive in holder method of Pasteurization?

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Stream sterilization at 100  for 20 minutes on three successive days is known as

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Which of the following sterilization conditions are used in autoclave?

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Which bacterial spores are used as sterilization control in autoclave?

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Gamma radiations can be used for sterilization of:

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Glutaraldehyde is used for sterilization of

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The most widely used disinfectant for human immunodeficiency virus (HIV) infected material is

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Which of the following is used commercially for sterilization of disposable plastic items?

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ANTISEPTIC AND DISINFACTAN MCQ Quiz-Pharmapedia

Antiseptic and Disinfectant-Microbiology MCQ Quiz | GPAT Pharmacist DI NIPER

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Temperature & time used in holder method of Pasteurization is

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Temperature & time period used in hot air oven is

3 / 20

Chemical disinfectants which can be safely applied to living tissue to prevent infection are known as

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The process by which on article medium or surface is made free of Microorganism/MO is known as

5 / 20

Disposable syringes are sterilized by

6 / 20

Antiseptic action of alcohol mainly due to

7 / 20

Which of the following is a non-ionization radiation used in disinfectant/sterilization

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In Tyndallisation process user for sterilization of egg, serum media involves

9 / 20

Flash method of Pasteurization

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Biological indicator used in moist heat sterilization method to check effectiveness of a given sterilization method

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Cold sterilization is also know as

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Physical Integrity test for disc membrane filter is checked by

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In HEPA filter, HEPA stands for ...

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Porosity of membrane filter medium in the process of sterilization by filtration

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In dry heat Sterilization holding temp & time

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. Sterilization of Non-aqueous thermostable can be carry out using

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Holding temperature & time in the moist heat sterilization (Autoclave)

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To sterile aqueous & surgical materials which one of the following method would be preferred

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Culture media use to carry out sterility test of parenteral & ophthalmic preparation

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Sterility test for sterile preparation are carried out by

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Microbiology

Microbiology QUIZ Part X– IMMUNITY & VACCINE

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Which of the following immunity is called the first line of defence?

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Cells Involved In Innate Immunity are

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 Skin, body hair, cilia, eyelashes, the respiratory tract and the gastrointestinal tract are examples of 

4 / 14

Which of the following cells is involved in humoral immunity?

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Which of the following conveys the longest-lasting immunity to an infectious agent?

6 / 14

Which of the following cells is involved in cell-mediated immunity?

7 / 14

Which of the following statements is true about Passive Immunity?

8 / 14

 B-cells and T-cells are two types of cells involved in

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Which of the following immunity is present from our birth?

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All of the following are killed vaccines except

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All of the following are live vaccines except:

12 / 14

Artificial passive immunity may be induced by

13 / 14

Vaccination induces:

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Clinical or subclinical infections lead to

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Microbiology QUIZ -Part II – MICROSCOPY AND MORPHOLOGY OF BACTERIA

1 / 6

Indian ink staining is used to demonstrate

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All of the following are spore forming bacteria except

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Which one of the following bacteria is cell wall deficient?

4 / 6

A tuft of flagella present at one or both ends of bacterial cell, is known as

5 / 6

Lipopolysaccharide is a major component of cell wall in

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Peptidoglycan layer of cell wall is thicker in

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Microbiology QUIZ Part III – GROWTH, NUTRITION AND METABOLISM OF BACTERIA

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Low redox potential of culture medium is required for growth of

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The bacteria which require higher level of carbon dioxide for their growth are known as

3 / 5

Which one of the following bacteria can grow in acidic pH?

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Bacteria which can grow at temperature between 25  and 40  are known as

5 / 5

Generation time of Mycobacterium tuberculosis is about

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