Autotrophs vs Heterotrophs: Photosynthesis and Cellular Respiration
30 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the source of oxygen produced during photosynthesis?

  • C6H12O6
  • CO2
  • H2O (correct)
  • Chlorophyll

    • What is the primary function of stomata in the leaf?

  • To allow CO2 to enter and O2 to exit (correct)
  • To convert solar energy into chemical energy
  • To produce chlorophyll
  • To absorb water from the roots

    • In which part of the leaf are chloroplasts concentrated?

  • Thylakoid space
  • Mesophyll cells (correct)
  • Stomata
  • Leaf veins

    • What is the role of chlorophyll in photosynthesis?

    <p>To absorb solar energy and convert it into chemical energy</p> Signup and view all the answers

    What is the purpose of the inner and outer membranes of the chloroplast?

    <p>To separate the chloroplast's internal compartments</p> Signup and view all the answers

    What is the primary role of autotrophs in the biosphere?

    <p>To produce organic molecules from inorganic compounds</p> Signup and view all the answers

    What is the product of the reaction 6 CO2 + 12 H2O →?

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

    What is the by-product of photosynthesis that is essential for other metabolic processes?

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

    Which of the following organisms is most likely to be a heterotroph?

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

    What is the primary source of energy for photosynthesis?

    <p>Solar energy from the sun</p> Signup and view all the answers

    What was the question scientists were trying to answer when they traced the process of photosynthesis using isotopes?

    <p>Does this oxygen come from CO2 or H2O?</p> Signup and view all the answers

    What is the opposite of an anabolic process?

    <p>Catabolic process</p> Signup and view all the answers

    What is the primary function of the thylakoid membranes in chloroplasts?

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

    What is the by-product of the light-dependent reaction in photosynthesis?

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

    Where do the light-independent reactions of photosynthesis occur?

    <p>In the stroma of the chloroplast</p> Signup and view all the answers

    What is the energy currency generated during the light-dependent reaction?

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

    What is the role of chlorophyll molecules in photosynthesis?

    <p>To capture light energy and convert it into chemical energy</p> Signup and view all the answers

    What is the primary function of the Calvin Cycle in photosynthesis?

    <p>To synthesize sugar molecules from CO2 using ATP and NADPH</p> Signup and view all the answers

    What is the primary function of carbon fixation in the process of converting solar energy into chemical energy?

    <p>To incorporate CO2 into organic compounds</p> Signup and view all the answers

    What is the nature of electromagnetic energy in sunlight?

    <p>It travels in waves and consists of a range of wavelengths</p> Signup and view all the answers

    What is the effect of a shorter wavelength of light on the energy of a photon?

    <p>It increases the energy of the photon</p> Signup and view all the answers

    What is the primary function of pigments in the process of photosynthesis?

    <p>To absorb visible light and drive light reactions</p> Signup and view all the answers

    What is the characteristic of light that is transmitted by chlorophyll?

    <p>It is green in color</p> Signup and view all the answers

    What is the location of plant pigments in the chloroplast?

    <p>In the thylakoid membrane</p> Signup and view all the answers

    What is the primary function of chlorophyll a in the light reactions?

    <p>To participate directly in the light reactions, absorbing mainly blue-violet and red light</p> Signup and view all the answers

    What is the outcome of the light-driven electron flow in the light reactions?

    <p>The generation of ATP and NADPH</p> Signup and view all the answers

    What is the role of carotenoids in the light reactions?

    <p>To provide photoprotection by absorbing excessive light energy and broadening the spectrum used for photosynthesis</p> Signup and view all the answers

    Where are ATP and NADPH produced in the chloroplast?

    <p>On the side of the thylakoid membrane facing the stroma</p> Signup and view all the answers

    What is the result of the increase in potential energy of electrons in the light reactions?

    <p>The generation of ATP and NADPH</p> Signup and view all the answers

    What is the relationship between the light reactions and the Calvin cycle in photosynthesis?

    <p>The light reactions produce ATP and NADPH, which are used in the Calvin cycle</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser