# 1Multiple Choice
What is the primary role of plants in the carbon cycle?
To emit carbon dioxide
To absorb oxygen
To absorb carbon dioxide
To release methane
carbon cycle
Saba Tahir
Freestyle
Middle 8
Science
carbon cycle
6
Middle 8
Science
carbon cycle
6
8 questions
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# 2Multiple Choice
Which process releases carbon dioxide back into the atmosphere?
Photosynthesis
Respiration
Nitrogen fixation
Phosphorylation
# 3Multiple Choice
What human activity significantly increases carbon dioxide levels in the atmosphere?
Fishing
Deforestation
Recycling
Organic farming
# 4Multiple Choice
Which gas is a major component of the Earth's atmosphere and is involved in the carbon cycle?
Nitrogen
Oxygen
Carbon dioxide
Methane
# 5Multiple Choice
Which of the following is a long-term carbon storage method in the carbon cycle?
Burning fossil fuels
Soil erosion
Formation of fossil fuels
Plant respiration
# 6Multiple Choice
What role do decomposers play in the carbon cycle?
They produce oxygen
They fix nitrogen
They break down dead material, releasing carbon
They create fossil fuels
# 7Multiple Choice
Which process involves the conversion of carbon dioxide and water into glucose and oxygen?
Respiration
Photosynthesis
Transpiration
Fermentation
# 8Multiple Choice
What impact does increasing carbon dioxide have on Earth's climate?
It cools the atmosphere
It has no effect
It contributes to global warming
It eliminates greenhouse gases
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