Photosynthesis Review

What is the primary function of photosynthesis?

• Converts chemical energy to light energy

• Converts light energy to chemical energy of food

• Converts heat energy to chemical energy

• Converts chemical energy to heat energy

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

Which of the following are producers in an ecosystem?

• Heterotrophs

• Photoautotrophs

• Decomposers

• Parasites

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What do heterotrophs consume for energy?

• Inorganic molecules

• Light energy

• Organic molecules from other organisms

• Chemical energy from the environment

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NGSS.HS-LS1-7

NGSS.HS-LS2-5

What is the mesophyll in a leaf?

• The outer layer of a leaf

• The middle of a leaf where chloroplasts are mainly found

• The pores in a leaf

• The fluid surrounding the thylakoids

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NGSS.MS-LS1-6

What are stomata?

• The fluid surrounding the thylakoids

• The middle of a leaf

• Pores in a leaf where CO₂ enters and O₂ exits

• Stacks of thylakoids

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NGSS.HS-LS2-5

What are thylakoids?

• Stacks of grana

• The fluid surrounding the chloroplast

• Flat green pancakes that store chlorophyll and collect sun energy

• The outer layer of a leaf

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NGSS.HS-LS2-5

What are grana?

• The fluid surrounding the thylakoids

• Stacks of thylakoids that increase surface area

• Pores in a leaf

• The middle of a leaf

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the stroma?

• The outer layer of a leaf

• The middle of a leaf

• The fluid that surrounds the thylakoids and is the site of the second half of photosynthesis

• Stacks of thylakoids

What is the overall equation for photosynthesis?

• 6CO₂ + 6H₂O + Light Energy → C₆H₁₂O₆ + 6O₂

• 6O₂ + 6H₂O + Light Energy → C₆H₁₂O₆ + 6CO₂

• C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + Light Energy

• 6CO₂ + 12H₂O + Light Energy → C₆H₁₂O₆ + 12O₂

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What does the acronym OILRIG stand for in redox reactions?

• Oxidation Is Losing, Reduction Is Gaining

• Oxidation Involves Loss, Reduction Involves Gain

• Oxidation Is Loss, Reduction Is Gain

• Oxidation Involves Losing, Reduction Involves Gaining