Photosynthesis and Cellular Respiration Quiz
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Questions and Answers

What is the primary function of the light harvesting complex?

  • To split water molecules
  • To absorb carbon dioxide
  • To produce ATP
  • To funnel energy from photons to the reaction center (correct)

    • Which process utilizes sunlight to initiate electron transfer?

  • Cyclic Electron Flow
  • Light Reaction (correct)
  • Calvin Cycle
  • Dark Reaction

    • What is produced as a by-product of splitting water in the light reaction?

  • ATP
  • Oxygen (correct)
  • NADPH
  • Glucose

    • Where do both Photosystem 1 and Photosystem 2 reside?

    <p>Thylakoid or Granum</p> Signup and view all the answers

    Which process is independent of light energy?

    <p>Dark Reaction</p> Signup and view all the answers

    What is the main function of ATP synthase in photosynthesis?

    <p>To generate ATP using H+ ions</p> Signup and view all the answers

    What is the overall equation for photosynthesis?

    <p>6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂</p> Signup and view all the answers

    Which molecule acts as an electron carrier produced during the light reactions?

    <p>NADPH</p> Signup and view all the answers

    What is the main purpose of aerobic respiration in cells?

    <p>To convert chemical energy into ATP</p> Signup and view all the answers

    Which phase of the Calvin cycle involves incorporating CO2 into an organic material?

    <p>Carbon Fixation</p> Signup and view all the answers

    How many ATPs are produced in a complete cycle of aerobic respiration?

    <p>36 to 38 ATPs</p> Signup and view all the answers

    What role does NADPH play in the Calvin cycle?

    <p>It donates electrons for the reduction stage</p> Signup and view all the answers

    What distinguishes anaerobic respiration from aerobic respiration?

    <p>It does not require oxygen</p> Signup and view all the answers

    What is the primary role of carotenoids in plants?

    <p>To carry out photosynthesis and support health</p> Signup and view all the answers

    Which fruit is known for containing xanthophylls?

    <p>Cantaloupe</p> Signup and view all the answers

    Where are chlorophyll pigments primarily located in plant cells?

    <p>Within the thylakoids</p> Signup and view all the answers

    What are the characteristics of visible light in the context of photosynthesis?

    <p>It consists of wavelengths between 380-750 nm</p> Signup and view all the answers

    Which part of the chloroplast is responsible for the absorption of photons?

    <p>Thylakoid</p> Signup and view all the answers

    Which pigment is known for providing the green color in plants?

    <p>Chlorophyll</p> Signup and view all the answers

    What is a photosystem composed of?

    <p>An aggregation of pigments and proteins</p> Signup and view all the answers

    Which of the following fruits is high in anthocyanins?

    <p>Raspberries</p> Signup and view all the answers

    What is the final product of fermentation in animal cells?

    <p>Lactic acid</p> Signup and view all the answers

    Which of the following molecules is NOT produced during glycolysis?

    <p>FADH2</p> Signup and view all the answers

    During which stage of cellular respiration is the majority of ATP produced?

    <p>Electron Transport Chain</p> Signup and view all the answers

    In which part of the cell does glycolysis take place?

    <p>Cytoplasm</p> Signup and view all the answers

    What is the net gain of ATP molecules from glycolysis?

    <p>2 ATP</p> Signup and view all the answers

    What is the input molecule for the Krebs cycle?

    <p>Acetyl Coenzyme A</p> Signup and view all the answers

    Which type of organism relies on fermentation in the absence of oxygen?

    <p>Facultative anaerobes</p> Signup and view all the answers

    What is the main output of the Electron Transport Chain?

    <p>ATP</p> Signup and view all the answers

    What process involves the breakdown of complex molecules into simpler ones while providing free energy?

    <p>Catabolism</p> Signup and view all the answers

    Which statement correctly describes phosphorylation?

    <p>It involves the addition of energy and phosphate to an organic compound.</p> Signup and view all the answers

    What role does ATP play in cellular metabolism?

    <p>It acts as an energy currency throughout the cell.</p> Signup and view all the answers

    What process occurs when a bond between phosphate groups is broken in ATP?

    <p>Hydrolysis</p> Signup and view all the answers

    Which of the following statements about ADP is true?

    <p>ADP plays a crucial role in the flow of energy in cells.</p> Signup and view all the answers

    Which type of work is mechanical work in the context of ATP usage?

    <p>Beating of cilia and muscle contraction</p> Signup and view all the answers

    What occurs during photoexcitation?

    <p>Absorption of light leading to an excited state.</p> Signup and view all the answers

    Which term refers to the energy-consuming process in cellular reactions?

    <p>Endergonic</p> Signup and view all the answers

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