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Science and Technology Part 2 Chapter Summary
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Science and Technology Part 2 Chapter Summary

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Questions and Answers

Which of the following topics are mainly related to Biology, Environment, Microbiology, and Biotechnology?

  • Social health
  • Life Processes in living organisms Part -1
  • Disaster Management
  • Heredity and Evolution (correct)
  • What is the expected approach while teaching Science and Technology?

  • Ignoring the practical aspects
  • Focusing only on theoretical knowledge
  • Integrated approach with a connection between different components (correct)
  • Isolated and disconnected approach
  • Which chapters from Science and technology part 2 are expected to be taught in the first five sessions?

  • Heredity and Evolution, Life Processes in living organisms Part -1, Social health, Disaster Management, Cell Biology and Biotechnology
  • Life Processes in Living Organisms Part - 2, Environmental management, Towards Green Energy, Animal Classification, Introduction to Microbiology
  • Life Processes in Living Organisms Part - 2, Social health, Disaster Management, Cell Biology and Biotechnology, Introduction to Microbiology
  • Heredity and Evolution, Life Processes in living organisms Part -1, Environmental management, Towards Green Energy, Animal Classification (correct)
  • What type of examination is expected at the end of a session according to the textbook?

    <p>A written examination for 40 marks and a practical examination for ten marks</p> Signup and view all the answers

    What is the total number of chapters in Science and technology part 2?

    <p>10 chapters</p> Signup and view all the answers

    How many separate books have been prepared for Science and technology?

    <p>Two books</p> Signup and view all the answers

    What is the component of the cellular nucleus that carries hereditary characters?

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

    What do we call the process of transfer of physical and mental characters from parents to the progeny?

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

    What are the components of the DNA molecule?

    <p>Nucleotides and Deoxyribose sugars</p> Signup and view all the answers

    Who is considered the pioneer of modern genetics?

    <p>Johann Gregor Mendel</p> Signup and view all the answers

    In which year did Walter and Sutton observe paired chromosomes in the cells of grasshopper?

    <p>1902</p> Signup and view all the answers

    Which trio of scientists proved that all living organisms have DNA as genetic material, except viruses?

    <p>Oswald Avery, Mclyn McCarthy, Colin MacLeod</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 Monad</p> Signup and view all the answers

    What technique emerged as a result of uncovering genetic codes hidden in DNA?

    <p>Recombinant DNA technology</p> Signup and view all the answers

    What is the function of the science of heredity in the production of hybrid varieties of animals and plants?

    <p>It aids in producing new breeds with desired traits.</p> Signup and view all the answers

    With what do genes, present in the form of DNA, participate in the functioning of cells?

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

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