Quiz  /  Photosynthesis Gate & PSU MCQ Questions With Answers

  • 1. 
    Which of the following statements is true about pigments?

  • Chlorophyll is best at absorbing green and yellow light
  • Chlorophyll a makes plants either violet or red
  • Carotenoid is best at absorbing yellow, orange, and red light
  • Carotenoid is best at absorbing blue-violet light

  • 2. 
    What are the two products of the light reactions that are needed for the calvin cycle?

  • NAD and NADPH
  • NADP + and Glucose
  • NADPH and ATP
  • Oxygen and NADPH

  • 3. 
    What do pigments do?

  • Absorb specific wavelengths(color) of visible light for energy.
  • Absorb CO2 in the Stroma to create sugar.
  • Transports e- in the electron transport chain.
  • Transports energy between plant cells.

  • 4. 
    Most plants appear green because chlorophyll

  • absorbs green light.
  • absorbs violet light.
  • does not absorb green light.
  • does not absorb violet light.

  • 5. 
    As the intensity of light increases, the rate of photosynthesis will...

  • steadily increase
  • increase exponentially
  • increase, then level off, then decrease
  • decrease at first, then increase

  • 6. 
    What is the function of NADPH and ATP?

  • They absorb light
  • They power the light-dependent reactions
  • They are light-reflecting pigments
  • They are short term energy carriers

  • 7. 
    What is water's role in photosynthesis?

  • To create a liquid solute for oxygen to be made.
  • To provide electrons and hydrogen, to energize ATP and NADPH.
  • To help plants with gas exchange, such as diffusion of CO2.
  • To hydrate plants and removes harmful waste products.

  • 8. 
    Where do the dark reactions (Calvin cycle) take place?

  • thylakoid membrane
  • lumen
  • stroma
  • All of above
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