Lect 17/18 photosynthesis

What is photosynthesis?

• The process that converts solar energy into chemical energy

• The process that converts chemical energy into solar energy

• The process that converts water into oxygen

• The process that converts carbon dioxide into nitrogen

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the process called where photoautotrophs use light as the source of energy to synthesize organic molecules?

• Respiration

• Fermentation

• Photosynthesis

• Glycolysis

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NGSS.HS-LS1-5

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Which of the following is an example of a photoautotroph?

• Fungi

• Animals

• Algae

• Viruses

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What is the overall chemical reaction for photosynthesis in photoautotrophs?

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

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

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

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

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the primary process used by photoautotrophs to produce energy?

• Cellular respiration

• Fermentation

• Photosynthesis

• Glycolysis

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NGSS.HS-LS1-5

Which type of organism relies on consuming other organisms for energy?

• Autotrophs

• Heterotrophs

• Photoautotrophs

• Chemotrophs

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NGSS.HS-LS2-6

What is the main byproduct of photosynthesis?

• Carbon dioxide

• Water

• Oxygen

• Nitrogen

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NGSS.MS-LS1-6

Where does photosynthesis primarily occur in plant leaves?

• Stomata

• Chloroplasts

• Veins

• Roots

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NGSS.MS-LS1-6

What is the function of stomata in plant leaves?

• Transport water

• Absorb sunlight

• Allow gas exchange

• Store nutrients

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NGSS.MS-LS1-6

How is water delivered to the leaves for photosynthesis?

• Through stomata

• Via chloroplasts

• Through veins

• Via the outer membrane

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NGSS.MS-LS1-6