Exploring the Carbon Cycle in Biological Systems
Interactive Video
•
Biology
•
6th - 10th Grade
•
Practice Problem
•
Medium
Amelia Wright
Used 21+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What element forms the backbone of important biological molecules like glucose and DNA?
Carbon
Hydrogen
Nitrogen
Oxygen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of the human body is made up of carbon by mass?
5-10%
18-19%
25-30%
40-45%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary form of carbon in the atmosphere?
Carbon monoxide
Calcium carbonate
Methane
Carbon dioxide
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of Earth's atmosphere is carbon dioxide?
1%
78%
21%
0.04%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process do plants use to fix carbon from the atmosphere?
Respiration
Combustion
Photosynthesis
Fermentation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do autotrophs contribute to the carbon cycle?
By consuming other organisms
By breaking down organic matter in the soil
By releasing carbon dioxide through respiration
By fixing carbon dioxide from the atmosphere
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the carbon in plants when they are consumed by animals?
It is transformed into oxygen.
It is released back into the atmosphere as CO2.
It is used to form animal proteins.
It is expelled as waste.
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