Tune in to Learning

Photosynthesis: Science Lesson: Quick Quiz

Prev ActivityNext Activity


Think fast. Think green. What comes to mind when you hear the word photosynthesis? Take a short quiz to see how much you know!



  1. Photosynthesis
    1. takes place on the sun.
    2. is a kind of electromagnetic energy.
    3. is what makes plants die in the fall.
    4. is how plants combine sun, air and water to make glucose.
  2. Chlorophyll is
    1. a bacterium.
    2. what makes plants green.
    3. only found in tropical plants.
    4. the second step in the food web.
  3. What would happen if photosynthesis stopped?
    1. Plants would produce too much cellulose.
    2. Plants would produce too much chlorophyll.
    3. Plants would not produce oxygen.
    4. Cellulose would not be turned into glucose.
  4. Which diagram shows a carbon dioxide molecule?

  5. Water—or H₂O—is made up of
    1. two atoms of hydrogen and one atom of oxygen.
    2. one atom of hydrogen and two atoms of oxygen.
    3. two atoms of hydrogen and two atoms of oxygen.
    4. None of the above
  6. An organism that consumes both plants and animals is called
    1. an omnivore.
    2. a phototroph.
    3. an herbivore.
    4. a carnivore.
  7. Which country has the smallest carbon footprint per person on the graph?

    1. South Korea
    2. Mexico
    3. Denmark
    4. Egypt
  8. According to the graph, about how many times greater is the average American’s CO₂ output compared to the average Ukrainian’s?

    1. 2 times
    2. 3 times
    3. 6 times
    4. 9 times
  9. Which organism is not capable of photosynthesis?
    1. Frog
    2. Moss
    3. Tree
    4. Phytoplankton
  10. What does “photo” in photosynthesis stand for?
    1. Food
    2. Green
    3. Light
    4. Picture
Question 1 of 1