Carbon Cycle and Photosynthesis Quiz

Test your understanding of biogeochemistry with questions on carbon dioxide, photosynthesis, fossil fuels, and more. Try the quiz now!

#1

Which process is responsible for the release of carbon dioxide into the atmosphere?

Photosynthesis
Respiration
Decomposition
Combustion
#2

During photosynthesis, carbon dioxide is converted into which compound?

Glucose
Oxygen
Water
Carbon monoxide
#3

In which part of the plant does photosynthesis primarily occur?

Stem
Leaves
Roots
Flowers
#4

Which process involves the breakdown of glucose to release energy in cells?

Photosynthesis
Respiration
Fermentation
Digestion
#5

Which gas is released as a byproduct of cellular respiration?

Carbon dioxide
Oxygen
Nitrogen
Hydrogen
#6

Which of the following is NOT a part of the carbon cycle?

Photosynthesis
Respiration
Evaporation
Decomposition
#7

In what form do plants store excess carbon for later use?

Starch
Protein
Cellulose
Glucose
#8

What is the primary source of carbon dioxide emissions resulting from human activities?

Deforestation
Burning fossil fuels
Volcanic eruptions
Respiration
#9

What is the role of decomposers in the carbon cycle?

Release carbon dioxide into the atmosphere
Absorb carbon dioxide from the atmosphere
Convert organic matter into fossil fuels
Break down organic matter and release carbon back into the soil
#10

What is the role of chlorophyll in photosynthesis?

To absorb carbon dioxide
To absorb light energy
To release oxygen
To convert glucose
#11

Which molecule is primarily responsible for trapping heat in the Earth's atmosphere?

Carbon dioxide
Oxygen
Nitrogen
Water vapor
#12

Which process involves the conversion of organic matter into fossil fuels over millions of years?

Photosynthesis
Decomposition
Combustion
Carbonization
#13

Which organism is responsible for fixing atmospheric nitrogen into a usable form for plants?

Bacteria
Fungi
Algae
Protozoa
#14

Which ecosystem plays a significant role in carbon sequestration?

Coral reefs
Mangroves
Grasslands
Deserts
#15

Which part of the carbon cycle involves the conversion of organic matter into fossil fuels?

Photosynthesis
Decomposition
Combustion
Carbonization

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