Dr. Siri: GED Science; Part7

10 Questions

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Dr. Siri: GED Science; Part7

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Questions and Answers
  • 1. 
    The area of the United States where tornadoes are most frequent is called
    • A. 

      Tornado Alley

    • B. 

      Mountain system

    • C. 

      Strike-slip

    • D. 

      Funnel basin

  • 2. 
    Charles Darwin was best known for:
    • A. 

      Mass-energy equivalence formula

    • B. 

      Theory of natural selection

    • C. 

      A model of the universe that placed the Sun rather than the Earth at the center of the universe

    • D. 

      The scientific revolution

  • 3. 
    Temperature is a measurement of an object’s
    • A. 

      Heat energy

    • B. 

      Gravitational energy

    • C. 

      Potential energy

    • D. 

      Chemical energy

  • 4. 
    Why does ice stay at the top of oceans instead of sinking to the bottom?
    • A. 

      Ice is colder than liquid water

    • B. 

      Ice is denser than liquid water

    • C. 

      Ice is warmer than liquid water

    • D. 

      Ice is less dense than liquid water

  • 5. 
    Read the text and finish the sentence below the text. "Inheritance is the process by which genetic information is passed on from parent to child. This is why members of the same family tend to have similar characteristics. Each of the cells in the new person contains genetic material from the two parents. Humans have 23 pairs of chromosomes, they are diploid." source: yourgenome.org Humans have ….
    • A. 

      23 chromosomes

    • B. 

      It depends

    • C. 

      46 chromosomes

    • D. 

      22 chromosomes

  • 6. 
    What is the body's first line of defense against infection by foreign organisms?
    • A. 

      White blood cells

    • B. 

      The skin

    • C. 

      Lymph nodes

    • D. 

      Antibodies

  • 7. 
    A producer uses energy from the Sun to make food. Which of these is NOT a producer?
    • A. 

      A sunflower

    • B. 

      An oak tree

    • C. 

      A caterpillar

    • D. 

      I don't know

  • 8. 
    You purchase a new pot that includes both stainless steel and aluminum. Chef John says the aluminum was added to fortify the soft consistency of the stainless steel. Chef Peter says the aluminum was added to improve heat conduction. Who is correct?
    • A. 

      Chef Peter

    • B. 

      Chef John

    • C. 

      Both are right

    • D. 

      It depends

  • 9. 
    What is produced during photosynthesis?
    • A. 

      Oxygen and glucose

    • B. 

      Glucose and carbon dioxide

    • C. 

      Oxygen

    • D. 

      All answers are correct

  • 10. 
    According to fossil records, the horses that lived 50 million years ago were much smaller, weaker and slower than modern horses. Which process is most likely responsible for the changes that have led to the increased size, strength, and speed in horses?
    • A. 

      Evolution by natural selection

    • B. 

      Migration

    • C. 

      Inbreeding

    • D. 

      I don't know

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