Measuring Photosynthesis

If more of one of the reactants (inputs) is available for a plant, what would happen to the products (outputs) of the plant?

• Oxygen and Glucose would increase as well.

• Oxygen and Glucose would remain the same.

• Oxygen and Glucose would decrease.

• There would be less oxygen available and more carbon dioxide.

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NGSS.MS-LS1-6

NGSS.MS-LS2-1

What process takes place inside the chloroplast?

• Photosynthesis

• Cellular Respiration

• Refraction

• Regurgitation

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CO₂ is an input (reactant) in photosynthesis, specifically the Calvin cycle. Where does the carbon from CO₂ go to in the products (outputs) of photosynthesis?

• Sugars (glucose)

• Oxygen (O₂)

• ATP

• Water (H₂O)

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NGSS.MS-LS1-6

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What would increase the rate of photosynthesis?

• No water available

• Decreased temperature

• Increased light

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NGSS.MS-LS1-6

NGSS.MS-LS2-1

Which wavelength would produce the tallest plant?

• 465 nm

• 550 nm

• 625 nm

• 700 nm

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NGSS.MS-LS1-5

NGSS.MS-LS1-6

Which statement best explains the lower rate of photosynthesis?

• A decreased photosynthesis rate increases the amount of oxygen produced.

• A decreased photosynthesis rate decreases the amount of oxygen produced.

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NGSS.MS-LS1-6

What are the reactants (INPUTS) of Photosynthesis?

• Water, Carbon Dioxide, Sunlight

• Oxygen and Sunlight

• Glucose and oxygen

• Glucose only

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NGSS.MS-LS1-6

Photosynthesis is affected by the temperature. What change would decrease the rate of photosynthesis?

• A warm and sunny spring.

• A cold and freezing winter.

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NGSS.MS-LS1-5

NGSS.MS-LS1-6

In an experiment to measure the rate of photosynthesis, the number of oxygen bubbles produced is the...

• independent variable

• dependent variable

• control variable

• categoric variable

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NGSS.MS-LS1-6

How can you measure the rate of photosynthesis?

• Using a ruler

• Measuring how fast oxygen or glucose are produced

• Measuring the growth of the plant

• Increasing how fast oxygen or glucose are produced

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NGSS.MS-LS1-6