9.1/9.2 Photosynthesis

What is the role of pigments in the process of photosynthesis?

• Absorb light energy from the sun

• Produce high-energy electrons

• Release oxygen into the atmosphere

• Convert water and carbon dioxide into sugars

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NGSS.HS-LS1-5

Where does photosynthesis take place inside the plant cell?

• Nucleus

• Mitochondria

• Chloroplast

• Endoplasmic reticulum

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NGSS.HS-LS1-5

What is the main function of chlorophyll in photosynthesis?

• Reflect green light

• Absorb light energy

• Absorb carbon dioxide

• Produce oxygen

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NGSS.HS-LS1-5

Which of the following is a light-absorbing pigment found in plants?

• Melanin

• Hemoglobin

• Chlorophyll

• Keratin

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NGSS.HS-LS1-5

What are the products of the light-dependent reactions in photosynthesis?

• Carbon dioxide and water

• Sugars and oxygen

• NADPH and ATP

• Chlorophyll and carotenoids

Where do the light-independent reactions of photosynthesis take place?

• Thylakoid

• Stroma

• Granum

• Nucleoid

What is the main function of electron carriers in photosynthesis?

• Produce oxygen

• Transfer high-energy electrons

• Absorb light energy

• Reflect green light

What is the overall equation for photosynthesis?

• 6CO2 + 6H2O → C6H12O6 + 6O2 + light

• C6H12O6 + 6CO2 + light → 6H2O + 6O2

• C6H12O6 + 6O2 → 6CO2 + 6H2O + light

• 6CO2 + 6H2O + light → C6H12O6 + 6O2

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

Where is chemical energy stored in the body?

• In the cytoplasm

• In the nucleus of cells

• In the cell membrane

• In the bonds between atoms

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NGSS.HS-LS1-7

What is the main function of Adenosine Triphosphate (ATP) in cells?

• To regulate cell division

• To provide structural support to the cell

• To transport oxygen in the body

• To store and release energy

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NGSS.HS-LS1-7