Photosynthesis and Respiration

Which of the following statements are correct about the two reactions shown above?

• Oxygen is used to release energy during photosynthesis
• Sugar is broken down to release energy during respiration
• Water is broken down to release energy during respiration
• Carbon dioxide is used to release energy during photosynthesis

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NGSS.HS-LS1-5

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The arrows in the diagram below represent the movement of oxygen and carbon dioxide in an ecosystem.  What is the main source of oxygen in an ecosystem?

• Combustion by cars
• Photosynthesis by animals
• Respiration by animals
• Photosynthesis by plants

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What are the products of photosynthesis?

• Energy and oxygen
• Glucose and oxygen
• Carbon dioxide and water
• Glucose and carbon dioxide 

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According to these equations, which of the following is a reactant during respiration?

• Water
• Sugar
• Energy
• Carbon dioxide

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The equation for photosynthesis is listed above.  What are the products of photosynthesis?

• CO2 and H2O
• C6H12O6 and H2O
• CO2 and C6H12O6
• C6H12O6 and O2

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NGSS.MS-LS1-6

The process that releases energy from food and has to have oxygen present is called?

• Synthesis
• Cellular Respiration
• Fermentation
• Photosynthesis

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Photosynthesis occurs in which organelle?

• Chloroplast
• Endoplasmic Reticulum
• Vacuole
• Mitochondrion

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Which process requires the presence of oxygen to produce energy?

• Glycolysis
• Anaerobic Respiration
• Transpiration
• Aerobic Respiration

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NGSS.HS-LS1-7

The two main processes by which cells absorb, release, and use energy are

• Fermentation and respiration
• Digestion and Photosynthesis
• Photosynthesis and Cellular Respiration
• Aerobic and anaerobic respiration

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NGSS.HS-LS1-7

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According to the diagram, Product 2 is?

• Oxygen produced by photosynthesis

• Oxygen produced by cellular respiration

• Carbon dioxide produced by photosythnesis

• Carbon dioxide produced by cellular respiration

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NGSS.HS-LS1-7

NGSS.HS-LS2-5