Untitled Lesson
Presentation
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Biology
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12th Grade
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Practice Problem
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Easy
Rola Achkar
Used 2+ times
FREE Resource
29 Slides • 20 Questions
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Open Ended
Why is the process of photosynthesis essential for life on Earth?
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Multiple Choice
Which of the following best describes the transformation that occurs during photosynthesis?
Light energy is converted into chemical energy
Chemical energy is converted into light energy
Heat energy is converted into mechanical energy
Mechanical energy is converted into light energy
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Multiple Choice
Which of the following best describes the main purpose of the light dependent reactions in photosynthesis?
To split water and produce ATP and oxygen
To convert glucose into energy
To absorb carbon dioxide and release glucose
To fix carbon into carbohydrates
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Open Ended
What is the process through which monosaccharides are combined to make carbohydrates?
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Fill in the Blanks
Type answer...
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Multiple Choice
Which of the following best explains why leaves appear green to our eyes?
Chlorophyll absorbs green light and reflects red and blue light.
Chlorophyll absorbs red and blue light and reflects green light.
Chlorophyll absorbs all wavelengths of light equally.
Chlorophyll reflects only blue light.
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Multiple Choice
What instrument can be used to measure the absorption of different wavelengths of light by chlorophyll?
Microscope
Spectrophotometer
Thermometer
Barometer
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Open Ended
Compare the action spectrum and absorption spectrum of chlorophyll. What similarities and differences do you observe, and what do these indicate about the relationship between light absorption and photosynthesis?
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Multiple Choice
Which of the following statements best explains why chlorophyll is considered the most important photosynthetic pigment?
It absorbs light most efficiently in the blue and red regions, which overlap with the action spectrum of photosynthesis.
It is the only pigment found in all plants.
It absorbs ultraviolet radiation for photosynthesis.
It reflects all green light, making plants appear green.
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Open Ended
Explain why some plants have different action or absorption spectra and how this can be advantageous in certain environments.
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Multiple Select
Which of the following are accessory pigments that can be separated by chromatography?
Carotene
Xanthophyll
Chlorophyll
Hemoglobin
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Fill in the Blanks
Type answer...
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Open Ended
How would pH affect the rate of photosynthesis of a green plant?
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Multiple Choice
What happens to the rate of photosynthesis when the pH moves away from the optimal value for the plant?
It increases steadily
It remains constant
It decreases sharply
It fluctuates unpredictably
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Multiple Select
Which of the following are valid methods for measuring the rate of photosynthesis in an experiment?
Counting oxygen bubbles produced
Measuring change in biomass
Measuring temperature change
Measuring CO2 uptake indirectly
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Open Ended
Why is it necessary to keep the water at 25°C and brightly illuminated during a photosynthesis experiment with pondweed?
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Fill in the Blanks
Type answer...
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Open Ended
How did the rise in oxygen levels due to photosynthesis contribute to Earth's first glaciation?
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Open Ended
What questions do you still have about the process of photosynthesis or its importance to living organisms?
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Open Ended
Summarize how photosynthesis transforms energy and explain why this process is essential for living organisms.
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