Microbiology

4 Questions

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Microbiology Quizzes & Trivia

It is a multiple type queries. .


Questions and Answers
  • 1. 
    Mammalian viruses are
    • A. 

      Rabies virus

    • B. 

      Polio virus

    • C. 

      EB virus

    • D. 

      SV40 virus

  • 2. 
    Purification of DNA can be done by
    • A. 

      Adding NaCl solution

    • B. 

      Adding Ammonium bromide solution

    • C. 

      Adding phenol-chloroform

    • D. 

      Adding phenol and ethanol

  • 3. 
    Ligases are the enzyme which
    • A. 

      Joins nucleic acids together

    • B. 

      Cuts the ends of nucleic basepairs

    • C. 

      Makes copies of DNA

    • D. 

      Introduces supercoils

  • 4. 
    In cloning vector, pBR322 contains
    • A. 

      Gentamycin and chloramphenicol resistance

    • B. 

      Ampicillin and tetracyclin resistance

    • C. 

      Penicillin and gentamycin resistance

    • D. 

      Ampicillin and penicillin resistance