What is the main purpose of respiration in living organisms?

Understanding Respiration

Quiz
•
English
•
9th Grade
•
Easy
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The main purpose of respiration in living organisms is to produce energy.
To facilitate digestion of food.
To transport oxygen in the blood.
To regulate body temperature.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the type of respiration that typically occurs in human cells?
Photosynthesis
Anaerobic respiration
Aerobic respiration
Fermentation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which gas is used in aerobic respiration?
Hydrogen
Carbon Dioxide
Nitrogen
Oxygen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the waste product produced by cells during respiration?
Carbon dioxide
Lactic acid
Glucose
Oxygen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does the oxygen in the air go after it enters the lungs?
Oxygen is stored in the lungs for later use.
Oxygen is converted to carbon dioxide in the lungs.
Oxygen is exhaled immediately.
Oxygen diffuses into the bloodstream.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary energy currency produced during respiration?
NADH
ADP
FADH2
ATP
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which organ is primarily responsible for gas exchange in humans?
Liver
Lungs
Kidneys
Heart
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