Rags To Riches

8 Questions | Total Attempts: 110

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Rags To Riches

Topics of Science for the 21st Century : You and your genes, air quality and planet Earth


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Questions and Answers
  • 1. 
    How many chromosomes does a sperm have ?
    • A. 

      0

    • B. 

      92

    • C. 

      46

    • D. 

      23

  • 2. 
    What is the name for bits of unburnt carbon ?
    • A. 

      Nitrogen dioxide

    • B. 

      Sulphur dioxide

    • C. 

      Particulates

    • D. 

      Carbon dioxide

  • 3. 
    Which of these dissolves in rain water to make acid rain ?
    • A. 

      Nitrogen monoxide

    • B. 

      Carbon

    • C. 

      Sulphur dioxide

    • D. 

      Carbon monoxide

  • 4. 
    If both parents carry the recessive gene for Huntingdon's disorder, what is the chance that their child will have this disorder
    • A. 

      1 in 4

    • B. 

      1 in 2

    • C. 

      1 in 3

    • D. 

      1 in 1

  • 5. 
    Which of these is a pollutant made only from burning fuel in hot car engines ?
    • A. 

      Sulphur dioxide

    • B. 

      Carbon monoxde

    • C. 

      Carbon dioxide

    • D. 

      Nitrogen monoxide

  • 6. 
    Which of these is NOT linked to continental drift ?
    • A. 

      Earthquakes

    • B. 

      Mountain building

    • C. 

      Seafloor spreading

    • D. 

      Mass extinction

  • 7. 
    Which of these is a secondary pollutant ?
    • A. 

      Nitrogen dioxide

    • B. 

      Carbon monoxide

    • C. 

      Sulphur dioxide

    • D. 

      Carbon dioxide

  • 8. 
    What is the correct name for the smallest particle which can take part in a reaction ?
    • A. 

      Particulate

    • B. 

      Element

    • C. 

      Atom

    • D. 

      Molecule