7th Grade Science Test Chapter 4

36 Questions  I  By Cbcbblock
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7th Grade Quizzes & Trivia
Seventh grade science test

  
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Questions and Answers

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  • 1. 
    The process by which plants capture light energy from the sun and convert it         into sugar is _________

  • 2. 
    _____________ is change in the growth of a plant in response to light

  • 3. 
    Trees that keep their leaves year-around

  • 4. 
    Chlorophyll is green pigment in _________that absorbs light energy for photosynthesis

  • 5. 
    __________ is the breakdown of sugars to make ATP in the absence of oxygen

  • 6. 
    The opening in the bottom of the leaf that allow carbon dioxide to enter the          leaf and water  to exit the leaf  is __________

  • 7. 
    The loss of water from plant leaves through openings called stomata is ________

  • 8. 
    ____________ is the process of producing ATP (also releases carbon dioxide and water)in the cell from oxygen and glucose

  • 9. 
    Trees that lose all of their leaves at the same time every year is ________

  • 10. 
    CO2
    • A. 

      Carbon

    • B. 

      Oxygen

    • C. 

      Hydrogen

    • D. 

      Water

    • E. 

      Carbon dioxide


  • 11. 
    C
    • A. 

      Carbon

    • B. 

      Oxygen

    • C. 

      Hydrogen

    • D. 

      C6H12O6

    • E. 

      Water


  • 12. 
    C6H12O6
    • A. 

      Carbon

    • B. 

      Oxygen

    • C. 

      Hydrogen

    • D. 

      Sugar (glucose)

    • E. 

      Carbon dioxide


  • 13. 
    H2O
    • A. 

      Carbon

    • B. 

      Oxygen

    • C. 

      Hydrogen

    • D. 

      Water

    • E. 

      Carbon dioxide


  • 14. 
    H
    • A. 

      Carbon

    • B. 

      Oxygen

    • C. 

      Hydrogen

    • D. 

      Water

    • E. 

      Sugar (glucose)


  • 15. 
    Sunlight supplies the ________ a plant needs to make sugar.

  • 16. 
    . Almost all  the energy needed to fuel life comes from the ____

  • 17. 
    Plants ____ ____sugar during cellular respiration

  • 18. 
    Plant cells make glucose from ____  and H2O

  • 19. 
    During photosynthesis _________is taken in by the plant and oxygen and glucose are produced

  • 20. 
    Plants use photosynthesis (light energy) to produce glucose which is_____for the plants(so it is converted to chemical energy)

  • 21. 
    Sugar is made in the plant’s _______

  • 22. 
    Water enters a plant through the________

  • 23. 
    __________exits the plant through the leaves

  • 24. 
    Carbon dioxide and ______ _________enter the plant through the leaf

  • 25. 
    Carbon dioxide (not  water) enters leaves through open ________.

  • 26. 
    Water diffuses out of a leaf through the open stomata in a               process called _________

  • 27. 
    _________ are organized from simplest to most complex. (cells- tissues- organs- organ systems)

  • 28. 
    Respiration means ________

  • 29. 
    An organism with chloroplasts is a ________

  • 30. 
    Photosynthesis means _________.It is the foundation for the                    food web

  • 31. 
    Chlorophyll is what gives plants their ______color and what absorbs light  energy

  • 32. 
    Photosynthesis takes place in ________

  • 33. 
    Two products of cellular respiration are carbon dioxide and ______

  • 34. 
    Cellular respiration takes place in a ________cell's mitochondria

  • 35. 
    Photosynthesis and cellular respiration are dependent upon one another  because photosynthesis requires the carbon dioxide produced during cellular respiration, which requires the ___________ produced during  photosynthesis

  • 36. 
    ____________ are organized structures of DNA

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