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Y10- Carbon & Nitrogen Cycle
By Mr Pike
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Last updated about 12 hours ago
15 questions
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Formative Generation Completed!
Formative Generation Completed!
Question 1
1.
What is the primary role of plants in the carbon cycle?
They absorb carbon and release oxygen
They release carbon but don’t absorb it
They neither absorb nor release carbon
They manufacture carbon
Question 2
2.
The nitrogen cycle is a biogeochemical cycle that transforms nitrogen into various forms within the biosphere.
True
False
Question 3
3.
Which organisms play a key role in the nitrogen cycle?
Birds
Bacteria
Trees
Fish
Question 4
4.
How are humans disrupting the carbon cycle?
By releasing too much carbon dioxide through burning fossil fuels
By cutting down trees
Both of the above
Humans don’t disrupt the carbon cycle
Question 5
5.
Which processes release carbon dioxide back into the atmosphere?
Photosynthesis
Respiration
Decomposition
Fossil fuel combustion
Question 6
6.
What process converts gaseous nitrogen into ammonia?
Nitrification
Denitrification
Nitrogen fixation
Ammonification
Question 7
7.
Decomposers break down dead organic matter, releasing carbon back into the atmosphere.
True
False
Question 8
8.
Which of the following processes are part of the nitrogen cycle?
Nitrification
Denitrification
Nitrogen fixation
Ammonification
Question 9
9.
What is the ultimate source of carbon for life on earth?
Animals
Plants
The Sun
The Atmosphere
Question 10
10.
Nitrogen is essential for the synthesis of proteins and DNA.
True
False
Question 11
11.
Which process of nitrogen cycle is performed by anaerobic bacteria?
Nitrification
Denitrification
Nitrogen Fixation
Ammonification
Question 12
12.
Which sources contribute to the carbon cycle?
Respiration
Fossil fuels
Decay of organic matter
Volcanic eruption
Question 13
13.
What form can nitrogen be used by most organisms?
Ammonia
Nitrogen Gas
Nitrites
Nitrates
Question 14
14.
Carbon is a renewable resource.
True
False
Question 15
15.
Why is carbon important to life?
It forms the genetic code (DNA)
It is a basic building block of life
It forms the atmosphere
It is a source of energy