Biotechnology Quiz: Multiple Choice Questions

10 Questions

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Biotechnology Quizzes & Trivia

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Questions and Answers
  • 1. 
    The nitrogen bases which pair with two hydrogen bonds are
    • A. 

      Adenine and thymine

    • B. 

      Adenine and cytosine

    • C. 

      Cytosine and guanine

    • D. 

      Cytosine and adenine

  • 2. 
    DNA differs from RNA in
    • A. 

      Presence of deoxyribose sugar

    • B. 

      Presence of thymine base

    • C. 

      Property of replication

    • D. 

      All of the above

  • 3. 
    Extranuclear genetic material is found in
    • A. 

      Plastid and nucleus

    • B. 

      Mitochondria and plastids

    • C. 

      Nucleus and cytoplasm

    • D. 

      Mitochondria and nucleus

  • 4. 
    Which of the following enzyme is required to release the tension imposed by uncoiling of strands?
    • A. 

      Endonuclease

    • B. 

      DNA ligase

    • C. 

      DNA gyrase

    • D. 

      DNA helicase

  • 5. 
    The enzyme that cuts the bonds of DNA molecule at the origin of replication is 
    • A. 

      Endonuclease

    • B. 

      DNA polymerase

    • C. 

      DNA gyrase

    • D. 

      DNA ligase

  • 6. 
    If the strand of DNA has 35 nucleotides, how many phosphodiester bonds would exist?
    • A. 

      34

    • B. 

      35

    • C. 

      24

    • D. 

      70

  • 7. 
    Formation of mRNA from DNA is called
    • A. 

      Transformation

    • B. 

      Transduction

    • C. 

      Translation

    • D. 

      Transcription

  • 8. 
    Which of the following is not tool of genetic engineering?
    • A. 

      Vectors

    • B. 

      Enzymes

    • C. 

      Foreign DNA

    • D. 

      GMO

  • 9. 
    In recombinant DNA technology a plasmid vector is cleaved
    • A. 

      Modified DNA ligase

    • B. 

      A heated alkaline solution

    • C. 

      The same enzyme that cleave the donor DNA

    • D. 

      The different enzyme other than that cleave the donor DNA

  • 10. 
    'Nif gene' for nitrogen fixation is cereal crops like wheat, etc is introduced by cloning
    • A. 

      Rhizobium meliloti

    • B. 

      Bacillus thuringiensis

    • C. 

      Rhizopus

    • D. 

      Rhizophora