What is the primary purpose of respiration in living organisms?

Understanding Respiration and Carbon Dioxide

Interactive Video
•
Biology, Science
•
7th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To produce oxygen
To release energy from organic molecules
To absorb carbon dioxide
To create new cells
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of respiration occurs in the mitochondria and requires oxygen?
Anaerobic respiration
Aerobic respiration
Photosynthesis
Fermentation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of potassium hydroxide in the plant respiration experiment?
To provide nutrients to the seeds
To absorb carbon dioxide
To release oxygen
To maintain temperature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to apply petroleum jelly on the cork in the plant respiration experiment?
To enhance seed germination
To make the apparatus airtight
To increase the temperature
To prevent water from entering
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What observation indicates that carbon dioxide is being released by the germinating seeds?
The seeds change color
The water level in the delivery tube decreases
The seeds stop germinating
The water level in the delivery tube rises
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using lime water in the human respiration experiment?
To absorb oxygen
To detect carbon dioxide
To provide nutrients
To maintain pH balance
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to lime water when carbon dioxide is bubbled through it?
It becomes acidic
It evaporates
It turns clear
It turns milky
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