Understanding Photosynthesis

What is the primary function of photosynthesis in plants?

• Convert light energy into chemical energy

• Convert chemical energy into light energy

• Absorb carbon dioxide and release oxygen

• Produce chlorophyll for plant cells

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Where do the light-dependent reactions of photosynthesis occur?

(a)  

• In the thylakoid membranes
• In the stroma

• In the chlorophyll molecules

• In the mitochondria

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NGSS.MS-LS1-6

What role does chlorophyll play in photosynthesis?

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NGSS.MS-LS1-6

Which factor does NOT affect the rate of photosynthesis?

• Soil pH

• Light intensity

• Carbon dioxide concentration

• Temperature

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NGSS.MS-LS1-6

What happens to enzymes involved in photosynthesis at extreme temperatures?

• They denature and inhibit the process

• They become more active

• They convert into chlorophyll

• They split water molecules