Biology Quiz: Heredity and DNA Components
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Questions and Answers

What is the main component of the cellular nucleus that carries hereditary characters in living organisms?

  • Nitrogen
  • Adenine (correct)
  • Guanine
  • Thymina
  • Who is considered the pioneer of modern genetics?

  • Francois Jacob
  • Walter Sutton
  • Hugo de Vries
  • Gregor Johann Mendel (correct)
  • In what year did Oswald Avery, Mclyn McCarty, and Colin McLeod prove that all living organisms (except viruses) have DNA as genetic material?

  • 1944 (correct)
  • 1902
  • 1961
  • 1901
  • What did Hugo de Vries contribute to genetics?

    <p>Understood the reasons behind sudden changes in heredity</p> Signup and view all the answers

    Who proposed a model for the process of protein synthesis with the help of DNA in bacterial cells?

    <p>Francois Jacob</p> Signup and view all the answers

    What did Walter Sutton observe in grasshopper cells in 1902?

    <p>Paired chromosomes</p> Signup and view all the answers

    What is the process called where physical and mental characters are transferred from parents to progeny?

    <p>Heredity</p> Signup and view all the answers

    Who observed the paired chromosomes in the cells of grasshoppers in 1902?

    <p>Walter Sutton</p> Signup and view all the answers

    In what year did Oswald Avery, Mclyn McCarty, and Colin McLeod prove that all living organisms (except viruses) have DNA as genetic material?

    <p>1944</p> Signup and view all the answers

    Which trio of scientists demonstrated that genes are carried via chromosomes?

    <p>Oswald Avery, Mclyn McCarty, and Colin McLeod</p> Signup and view all the answers

    Who proposed a model for the process of protein synthesis with the help of DNA in bacterial cells?

    <p>Francois Jacob and Jack Monod</p> Signup and view all the answers

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