Topic 3.4 Review: Photosynthesis (AP Bio)

What is the primary source of energy for life on Earth?

• Wind energy

• Solar energy

• Geothermal energy

• Nuclear energy

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NGSS.HS-ESS1-1

NGSS.HS-LS1-5

Where does photosynthesis occur in plant cells?

• Mitochondria

• Nucleus

• Chloroplasts

• Ribosomes

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

What are autotrophs?

• Organisms that consume other organisms for energy

• Organisms that produce their own food

• Organisms that decompose organic material

• Organisms that rely on sunlight for warmth

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NGSS.MS-LS1-6

Through which structures do gases enter and exit a leaf?

• Veins

• Mesophyll

• Stomata

• Epidermis

What is the fluid inside the chloroplast called?

• Cytoplasm

• Matrix

• Stroma

• Plasma

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NGSS.MS-LS1-2

NGSS.MS-LS1-6

What are thylakoids?

• Fluid inside the chloroplast

• Stacks of membranous sacs

• Outer membrane of the chloroplast

• Type of chlorophyll

Where is chlorophyll located within the chloroplast?

• Stroma

• Thylakoids

• Outer membrane

• Intermembrane space

What are the products of photosynthesis?

• CO2 and H2O

• Organic molecules and O2

• ATP and heat energy

• Light energy and ATP

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NGSS.HS-LS2-5

In the process of photosynthesis, what happens to CO₂?

• It is oxidized to form O₂

• It gains electrons and is reduced to form C₆H₁₂O₆

• It loses electrons and is oxidized to form C₆H₁₂O₆

• It gains electrons and is oxidized to form O₂

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NGSS.HS-LS1-6

NGSS.HS-LS2-5

During photosynthesis, what happens to H₂O?

• It gains electrons and is reduced to form O₂

• It loses electrons and is oxidized to form O₂

• It gains electrons and is oxidized to form C₆H₁₂O₆

• It loses electrons and is reduced to form C₆H₁₂O₆