23/24 U2L3 Rate of photosynthesis quiz review

Which of the following factors affect the rate of photosynthesis in plants?

• oxygen concentration and light intensity

• carbon dioxide and light intensity

• nitrogen concentration and light intensity

• hydrogen concentration and light intensity

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NGSS.MS-LS1-6

Carbon dioxide may come from ____________

• human

• animals

• from the environment

• all sources are correct

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

TRUE or FALSE

When the concentration of carbon dioxide decreases , the rate of photosynthesis also decreases.

• TRUE

• FALSE

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NGSS.MS-LS1-6

TRUE or FALSE

When the intensity of light increases, the rate of photosynthesis also will also increase.

• TRUE

• FALSE

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NGSS.MS-LS1-6

Which of the following DOES NOT affect the rate of photosynthesis?

• Light

• Temperature

• Glucose Availability

• Carbon Dioxide

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What do the bubbles seen in the virtual experiment represents?

• oxygen

• carbon dioxide

• ATP

• glucose

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NGSS.MS-LS1-6

The graph is showing you that plants will have an ​ (a)   temperature where the ​ (b)   of photosynthesis will be highest. Too ​ (c)   or too low of temperatures will ​ (d)   down the rate/stop the reaction.

• optimal
• rate
• high
• slow
• low
• worst
• least

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NGSS.MS-LS1-6

Choose the following conclusions about the experiment/data that are valid. (Multiple select)

• As you raise the CO2 concentration, the rate of photosynthesis decreases.

• Without any CO2, photosynthesis cannot occur.

• As you raise the CO2 concentration, the rate of photosynthesis increases.

• Rate of photosynthesis will always increase as give the plant more CO2.

• The rate of photosynthesis doesn't increase from 4.0 to 5.0% CO2. A max speed is reached.

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NGSS.MS-LS2-1

The peak photosynthetic rate occurs at ​ (a)   degrees C. At ​ (b)   degrees and above, the rate of photosynthesis decreases. The temperature that causes the slowest rate is at ​ (c)   degrees.

• 30
• 35
• 10
• 15
• 40
• 45
• 20

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NGSS.MS-LS1-6

There is an enzyme called Rubisco that helps convert CO2 into glucose during the light independent (calvin cycle) reaction. How does this data help back up the ideas of enzymes denaturing?

• At 30 degrees, the Rubisco enzyme is fully denatured and oxygen production peaks.

• Only high temperatures denatur the Rubisco enzyme, as oxygen production goes down above 30 degrees.

• Temperatures above and below 30 degrees starts to denature rubisco, lowing Oxygen production/PS rate.

• Rubisco is not able to be denatured, it is resistant to any big changes in temperature.

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