
Photosynthesis and Light Absorption

Interactive Video
•
Biology, Science
•
9th - 12th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What part of the light spectrum do most photosynthetic pigments absorb?
Blue, violet, and red
Green and yellow
Orange and purple
Infrared and ultraviolet
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do leaves appear green to us?
They absorb all colors equally
They reflect green light
They absorb green light
They reflect blue light
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the action spectrum graph show?
The rate of photosynthesis against light intensity
The rate of photosynthesis against the wavelength of light
The absorption of light by chlorophyll
The reflection of light by leaves
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the rate of photosynthesis measured in action spectrums?
By counting the number of leaves
By measuring the amount of chlorophyll
By collecting and measuring the volume of oxygen produced
By observing the color change in leaves
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Theodore Engelmann use to compare the rate of photosynthesis with the wavelength of light?
A light meter
A colorimeter
Aquatic aerobic bacteria
A spectrophotometer
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Engelmann's experiment, where did the aquatic bacteria accumulate?
Around areas with blue and red light
Around areas with yellow light
Around areas with green light
Around areas with no light
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do the absorption and action spectrum graphs for chlorophyll pigments show?
They show the importance of green light
They match and show the importance of blue and red light
They show the importance of yellow light
They do not match
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