polymerase chain reaction mcqs

Polymerase chain reaction

Polymerase chain reaction or PCR is a specific method used to synthesis millions of copies of DNA of specific pathogens. These pathogens can be bacteria or viruses.

Polymerase Chain reaction consists of four steps. It is an enzymatic method for the detection of specific DNA in the sample.


What is the enzyme used in the polymerase chain reaction?

Polymerase Chain Reaction consist of TAQ polymerase


  • which of the following is correct regarding the polymerase chain reaction test

                   Quantitative method               Qualitative method

  • how many types of enzymes do the Polymerase chain reaction test contain?

                   two                three         four

  • Which enzyme is heat stable?

                  Taq polymerase    DNA Polymerase

  • who invented the polymerase chain reaction?

                                Kary Mullis             Jama Aden

  • Taq polymerase is isolated?

                          Thermus aquatics     

  •   DNA strand seprate at …. temperature ?

              >90        70C               80c

  • Primer is a?

                short DNA        short RNA 

  • PCR is invented in?

                   1983     1989    1885  

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