20 Questions
Where does energy eventually come from in photosynthesis?
Carbohydrate
Where does our energy come from?
Plants
How do plants produce energy in photosynthesis?
Carbohydrate
Why does the leaf look green?
Light is absorbed by pigment molecules contained in the leaf
What is the absorbed part of the spectrum called?
Photosynthetically Active Radiation
What are the two parts in a chlorophyll molecule?
Porphyrin head and long lipid-soluble hydro-carbon tail
When are carotenoids predominant?
When chlorophyll is degraded in the fall
Where does photosynthesis take place?
Chloroplasts
What is the primary event in photosynthesis?
Light absorption
What is the primary purpose of photosynthetically active radiation?
To provide energy for photosynthesis
What is the structure responsible for the collection and conversion of light energy in photosynthesis?
Thylakoid
Which molecule is a temporary energy carrier produced during the light reaction of photosynthesis?
NADPH
Where does the carbon fixation and carbohydrate production occur in photosynthesis?
Stroma
Which pathway is used for mostly cool-season plants in the assimilation of carbon dioxide?
C-3 metabolism / Calvin cycle (C3)
What is formed by the natural decomposition of buried dead organisms and includes coal, petroleum, and natural gas?
Fossil fuels
What is the progressive increase of Earth’s average temperature due to increased concentrations of greenhouse gases called?
Global warming
Which of the following is a greenhouse gas responsible for trapping the sun’s warmth in the lower atmosphere of the earth?
Carbon dioxide
What is the average concentration of CO2 steadily increasing in the atmosphere due to?
Photosynthesis suppression
What can individuals work on to reduce their own contribution to worldwide emissions?
Reduce carbon footprint
What is the site for the absorption of CO2 in the leaf for photosynthesis?
Stoma
Test your knowledge of photosynthesis and global warming with this quiz. Explore where energy comes from and how plants produce energy. Identify the role of carbohydrates, respiration, and the impact of CO2 and H2O in the process.
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