Trivia Questions Quiz On DNA Function And Structure!

20 Questions | Total Attempts: 101

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Trivia Questions Quiz On DNA Function And Structure!

Below is a Trivia Questions Quiz on DNA Function and Structure! The primary function of DNA in the body is the storage of information, and it helps in the formation of proteins that are developed into cells that perform specific tasks in the living organism. Take up this quiz and get to see how much more you can learn about DNA.


Questions and Answers
  • 1. 
    Long form of DNA is –
    • A. 

      Deoxyribose Nucleic Acid

    • B. 

      Dioxyribose Nucleic Acid

    • C. 

      Dimeric Nucleic Acid

    • D. 

      Double stranded Nucleic Acid

  • 2. 
    Functional unit of gene is –
    • A. 

      Recon

    • B. 

      Intron

    • C. 

      Muton

    • D. 

      Cistron

  • 3. 
    Gene is a segment of ________ molecule.
  • 4. 
    The term ‘Gene’ was coined by
    • A. 

      Gregor Mendel

    • B. 

      W. Johannsen

    • C. 

      Francis Crick

    • D. 

      James Watson

  • 5. 
    Fundamental unit of mutation in gene is –
    • A. 

      Recon

    • B. 

      Intron

    • C. 

      Cistron

    • D. 

      Muton

  • 6. 
    Fundamental unit of recombination in gene is –
    • A. 

      Cistron

    • B. 

      Recon

    • C. 

      Intron

    • D. 

      Muton

  • 7. 
    Father of Genetics is
    • A. 

      Gregor Mendel

    • B. 

      James Watson

    • C. 

      Francis Crick

    • D. 

      W. Johannsen

  • 8. 
    Fundamental unit of Coding in gene is –
    • A. 

      Cistron

    • B. 

      Muton

    • C. 

      Codon

    • D. 

      Recon

  • 9. 
    DNA is made up of 3 things – 1. Pentose Sugar 2. Phosphate and 3. ____
    • A. 

      Purine/Pyramidine Base

    • B. 

      Oxygen

    • C. 

      Hydrogen

    • D. 

      RNA

  • 10. 
    Semi conservative model of DNA was given in 1953 by
    • A. 

      W. Johannsen

    • B. 

      James Watson andFrancis Crick

    • C. 

      None

    • D. 

      Gregor Mendel

  • 11. 
    Who had given the double helical model of DNA?
    • A. 

      Griffiths

    • B. 

      Watson & Crick

    • C. 

      Gregor Mendel

    • D. 

      Meselson& Stahl

  • 12. 
    Which one of the following bases is not found in DNA?
    • A. 

      Uracil

    • B. 

      Thymine

    • C. 

      Adenine

    • D. 

      Guanine

  • 13. 
    What is the role of DNA in human body?
    • A. 

      Respiration

    • B. 

      Photosynthesis

    • C. 

      Circulation

    • D. 

      Genetic material

  • 14. 
    DNA is chiefly found in
    • A. 

      Mitochondria

    • B. 

      None of these

    • C. 

      Chloroplast

    • D. 

      Nucleolus

  • 15. 
    Nucleic acid are long-chain polymers of
    • A. 

      Nucleotides

    • B. 

      D b. Nucleoside Nucleoside

    • C. 

      None

    • D. 

      Phosphoric acid

  • 16. 
    According to Watson & Crick’s Model, DNA is
    • A. 

      Mono helical

    • B. 

      Penta helical

    • C. 

      Double helical

    • D. 

      Octa helical

  • 17. 
    In DNA the two polynucleotide chains run in
    • A. 

      Same direction

    • B. 

      Opposite direction

    • C. 

      Horizontal direction

    • D. 

      All of these

  • 18. 
    In DNA the bases of two complementary polynucleotide chains are joined together by-
    • A. 

      S- bond

    • B. 

      None of these

    • C. 

      N- bond

    • D. 

      H- bond

  • 19. 
    In a DNA molecule, the distance between axis and sugar-phosphate region is about –
    • A. 

      10 A0

    • B. 

      34A0

    • C. 

      20 A0

    • D. 

      3.4A0

  • 20. 
    Which of the following attachment is not correct?
    • A. 

      T=A

    • B. 

      C=G

    • C. 

      G≡C

    • D. 

      A=T