Biology Honors Test About Photosynthesis

27 Questions | Total Attempts: 126

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Photosynthesis Quizzes & Trivia

Questions and Answers
  • 1. 
    Energy is required for a variety of life processes including
    • A. 

      Growth and reproduction

    • B. 

      Movement

    • C. 

      Transport of certain materials across cell membranes

    • D. 

      All of the above

  • 2. 
    Heterotrophs are organisms that can
    • A. 

      Produce food from inorganic molecules and sunlight

    • B. 

      Survive without energy

    • C. 

      Consume other organisms for energy

    • D. 

      Carry out either photosynthesis or chemosynthesis

  • 3. 
    Based on the cycle of photosynthesis and cellular respiration, one can say that the ultimate original source of energy for al living things on Earth is
    • A. 

      Glucose

    • B. 

      Water

    • C. 

      The sun

    • D. 

      Carbon dioxide

  • 4. 
    The process whereby plants capture energy and make complex molecules is known as
    • A. 

      Homeostatis

    • B. 

      Evolution

    • C. 

      Photosynthesis

    • D. 

      Development

  • 5. 
    Suspended in the fluid stroma of chloroplasts are 
    • A. 

      Organelles called eukaryotes

    • B. 

      Numerous mitochondrial membranes

    • C. 

      Small coins that provide energy

    • D. 

      Stacks of thylakoids called grana

  • 6. 
    Photosynthesis:oxygen::
    • A. 

      Respiration:darkness

    • B. 

      Light reactions: dark reactions

    • C. 

      Respiration: carbon dioxide

    • D. 

      Oxygen:carbon dioxide

  • 7. 
    Biochemical pathway:reaction::
    • A. 

      Barrier:wall

    • B. 

      Match:burn

    • C. 

      Theater:drama

    • D. 

      Assembly line: workers

  • 8. 
    Light reaction:thylakoids
    • A. 

      Grana: thylakoids

    • B. 

      Grana:ATP

    • C. 

      Calvin Cycle : stroma

    • D. 

      Stroma: grana of chloroplasts

  • 9. 
    The sun is considered the ultimate source of energy for life on Earth because 
    • A. 

      All organisms carry out photosynthesis

    • B. 

      All organisms carry out cellular respiration

    • C. 

      Either photosynthetic organisms that have eaten them provide energy for all other organisms on Earth

    • D. 

      The sun heats the Earths atmosphere

  • 10. 
    The energy from the sun is converted into chemical energy in the form of organic compounds in a series of linked chemical reactions called a 
    • A. 

      Photosynthetic reactant

    • B. 

      ATP generator

    • C. 

      Chemical equation

    • D. 

      Biochemical pathway

  • 11. 
    The role of chlorophyll in photosynthesis is to 
    • A. 

      Absorb light energy

    • B. 

      Pass electrons to carotenoids

    • C. 

      Split water molecules

    • D. 

      All of the above

  • 12. 
    When light strikes an object, the light may be 
    • A. 

      Reflected

    • B. 

      Transmitted

    • C. 

      Absorbed

    • D. 

      All of the above

  • 13. 
    Chlorophyll is green because 
    • A. 

      It absorbs green wavelengths

    • B. 

      It absorbs blue and yellow which makes green

    • C. 

      It reflects green

    • D. 

      Transmits light

  • 14. 
    What happens when a chlorophyll molecule absorbs light?
    • A. 

      Some of its electrons are raised to a higher energy level

    • B. 

      It disintegrates, giving off huge amounts of heat

    • C. 

      It glows, radiating green light and giving the plant a green appearance

    • D. 

      It attracts electrons from other molecules

  • 15. 
    Chloroplast: grana::
    • A. 

      Photosystem: pigment molecules

    • B. 

      Chlorophyll: pigments

    • C. 

      Thylakoids: photosynthesis

    • D. 

      Chlorophyll: green

  • 16. 
    When electrons of a chlorophyll molecule are raised to a higher energy level,
    • A. 

      They become a particle of light

    • B. 

      They form a glucose bond

    • C. 

      They enter an electron transport chain

    • D. 

      They enter the calvin cycle

  • 17. 
    NADP is important in photosynthesis because it
    • A. 

      Becomes oxidized to form NADP

    • B. 

      Is needed to form chlorophyll

    • C. 

      Provides additional oxygen atoms

    • D. 

      Provides protons and electrons for some reactions

  • 18. 
    The source of oxygen produced during photosynthesis is
    • A. 

      Carbon dioxide

    • B. 

      Water

    • C. 

      Chlorophyll

    • D. 

      Glucose

  • 19. 
    The major atmospheric byproduct of photosynthesis is
    • A. 

      Nitorgen

    • B. 

      Carbon dioxide

    • C. 

      Water

    • D. 

      Oxygen

  • 20. 
    During the Calvin cycle, carbon-containing molecules are produced from
    • A. 

      Carbon atoms from ATP

    • B. 

      Carbon atoms, hydrogen atoms, and oxygen atoms from glucose

    • C. 

      Carbon atoms from carbon dioxide in the air and hydrogen atoms from water

    • D. 

      Carbon atoms from carbon dioxide int he air and hydrogen atoms from NADPH

  • 21. 
    Which of the following process occurs in the thylakoid membrane and converts captured light energy into chemical energy?
    • A. 

      The Calvin cycle

    • B. 

      ATP synthase

    • C. 

      Light absorption

    • D. 

      Chemiosmosis

  • 22. 
    Products of the light reactions of photosynthesis that provide energy for the Calvin cycle are
    • A. 

      Oxygen and ATP

    • B. 

      Water and oxygen

    • C. 

      ATP and NADPH

    • D. 

      Oxygen and NADPH

  • 23. 
    The Calvin cycle of photosynthesis
    • A. 

      Requires ATP and NADPH

    • B. 

      Can occur in both light and dark conditions

    • C. 

      Generates glucose

    • D. 

      All of the above

  • 24. 
    The energy used in the Calvin cycle for the production of carbohydrate molecules comes from 
    • A. 

      ATP made during cellular respiration

    • B. 

      The Krebs cycle

    • C. 

      ATP made in the light reactions of photosynthesis

    • D. 

      CO2 absorbed during the last stage of photosynthesis

  • 25. 
    All organic molecules contain carbon atoms that ultimately can be traced back in the food chain to 
    • A. 

      The bodies of heterotrophs

    • B. 

      Carbon dioxide from the atmosphere

    • C. 

      Water absorbed by plants

    • D. 

      The carbon the comes from the sun

  • 26. 
    Which of the following can be produced from the products of the Calvin cycle 
    • A. 

      Carbohydrates

    • B. 

      Lipids

    • C. 

      Proteins

    • D. 

      All of the above

  • 27. 
    The balanced equation of photosynthesis