What is the primary output of respiration as demonstrated by the student exhaling into bromothymol blue?

Photosynthesis and Respiration Concepts

Interactive Video
•
Biology, Science, Chemistry
•
9th - 10th Grade
•
Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxygen
Water
Carbon Dioxide
Glucose
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the experiment with germinating mung beans, what was observed as the oxygen levels decreased?
Glucose levels decreased
Glucose levels increased
Carbon dioxide levels increased
Carbon dioxide levels decreased
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why did the bromothymol blue remain blue during the day in the aquatic plant experiment?
The plant was not exposed to light
The plant was producing too much oxygen
The plant was using up all the carbon dioxide
The plant was not photosynthesizing
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What change was observed in the test tube with the plant in the dark?
The test tube turned blue
The test tube turned yellow
The test tube turned green
The test tube remained unchanged
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of chlorophyll in photosynthesis?
It reflects red light
It absorbs green light
It absorbs carbon dioxide
It harnesses red and blue light
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the purpose of using a spectrophotometer in the experiment?
To observe glucose production
To monitor carbon dioxide production
To analyze chlorophyll absorption spectrum
To measure oxygen levels
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to carbon dioxide levels in the presence of light during photosynthesis?
They increase
They decrease
They remain constant
They fluctuate
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