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Course: HIA International — Grade 8
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HIA International — Grade 8

Unit 1: Photosynthesis and the carbon cycle

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Unit 2: Properties of materials

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Unit 3: Forces and energy

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Unit 4: Maintaining life

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Unit 5: Reactivity

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Unit 6: Sound and space

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Unit 7: Genes and inheritance

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Unit 8: Rates of reaction

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Unit 9: Electricity

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Quiz

The carbon cycle – Quiz

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Carbon cycle HIA Science quiz: free practice for HIA International. Work through this Carbon cycle HIA Science quiz and get instant feedback on every answer. If you get stuck, review the 19.3 The carbon cycle – Notes lesson. More practice: HIA International — all units. Syllabus: Cambridge Lower Secondary programme.

  • Questions count: 50
  • Passing grade: A-
  • Time limit:
Start Quiz
1.
Which statement correctly describes carbon?
a substance made of two or more elements chemically joined
fuels formed over millions of years that store carbon
a non-metal element with the symbol C
a form of the element carbon used as pencil 'lead'
2.
Which statement correctly describes compound?
a form of the element carbon used as pencil 'lead'
a substance made of two or more elements chemically joined
a carbon-containing nutrient that plants make in photosynthesis
the process that releases carbon dioxide using glucose and oxygen
3.
Which statement correctly describes respiration?
a carbon-containing nutrient that plants make in photosynthesis
fuels formed over millions of years that store carbon
the process that releases carbon dioxide using glucose and oxygen
a substance made of two or more elements chemically joined
4.
Which statement correctly describes decomposers?
a substance made of two or more elements chemically joined
organisms that get carbon by breaking down dead material and waste
the process that releases carbon dioxide using glucose and oxygen
a form of the element carbon used as pencil 'lead'
5.
Which statement correctly describes graphite?
a substance made of two or more elements chemically joined
a carbon-containing nutrient that plants make in photosynthesis
a form of the element carbon used as pencil 'lead'
fuels formed over millions of years that store carbon
6.
Which statement correctly describes carbohydrate?
a carbon-containing nutrient that plants make in photosynthesis
a form of the element carbon used as pencil 'lead'
a substance made of two or more elements chemically joined
the process that releases carbon dioxide using glucose and oxygen
7.
Which term is described as: a non-metal element with the symbol C?
carbon
compound
respiration
graphite
8.
Match the term to its correct meaning: carbon
a non-metal element with the symbol C
a carbon-containing nutrient that plants make in photosynthesis
organisms that get carbon by breaking down dead material and waste
a substance made of two or more elements chemically joined
9.
Which term is described as: a substance made of two or more elements chemically joined?
compound
carbohydrate
graphite
carbon
10.
Match the term to its correct meaning: compound
a carbon-containing nutrient that plants make in photosynthesis
a substance made of two or more elements chemically joined
fuels formed over millions of years that store carbon
a non-metal element with the symbol C
11.
Which term is described as: the process that releases carbon dioxide using glucose and oxygen?
respiration
compound
decomposers
carbon
12.
Match the term to its correct meaning: respiration
a non-metal element with the symbol C
the process that releases carbon dioxide using glucose and oxygen
organisms that get carbon by breaking down dead material and waste
a form of the element carbon used as pencil 'lead'
13.
Which term is described as: organisms that get carbon by breaking down dead material and waste?
respiration
carbon
decomposers
graphite
14.
Match the term to its correct meaning: decomposers
a form of the element carbon used as pencil 'lead'
fuels formed over millions of years that store carbon
a non-metal element with the symbol C
organisms that get carbon by breaking down dead material and waste
15.
Which term is described as: a form of the element carbon used as pencil 'lead'?
respiration
graphite
decomposers
carbon
16.
Match the term to its correct meaning: graphite
organisms that get carbon by breaking down dead material and waste
a form of the element carbon used as pencil 'lead'
the process that releases carbon dioxide using glucose and oxygen
a carbon-containing nutrient that plants make in photosynthesis
17.
Which term is described as: a carbon-containing nutrient that plants make in photosynthesis?
graphite
decomposers
carbohydrate
fossil fuels
18.
Match the term to its correct meaning: carbohydrate
a non-metal element with the symbol C
fuels formed over millions of years that store carbon
a substance made of two or more elements chemically joined
a carbon-containing nutrient that plants make in photosynthesis
19.
Which term is described as: fuels formed over millions of years that store carbon?
compound
fossil fuels
decomposers
respiration
20.
Match the term to its correct meaning: fossil fuels
a form of the element carbon used as pencil 'lead'
a non-metal element with the symbol C
fuels formed over millions of years that store carbon
the process that releases carbon dioxide using glucose and oxygen
21.
Carbon is a _____ element.
noble gas
liquid
metal
non-metal
22.
The chemical symbol for carbon is _____.
Ca
Cn
C
Co
23.
Carbon dioxide is returned to the air by the process of _____.
photosynthesis
filtration
condensation
respiration
24.
Organisms can only use carbon when it is part of a _____.
gas
element
compound
mixture
25.
_____ get their carbon by breaking down dead material and waste.
Producers
Herbivores
Predators
Decomposers
26.
A form of the element carbon used as pencil 'lead' is _____.
nitrate
glucose
graphite
chlorophyll
27.
Carbon is a non-metal element. - True or false?
True
False
28.
Carbon is a metal element. - True or false?
True
False
29.
The symbol for carbon is C. - True or false?
True
False
30.
The symbol for carbon is Ca. - True or false?
True
False
31.
Living organisms can only use carbon when it is part of a compound. - True or false?
True
False
32.
Living organisms use carbon best as a pure element. - True or false?
True
False
33.
Plants take carbon dioxide from the air to make carbohydrates. - True or false?
True
False
34.
Plants take carbon from the soil to make carbohydrates. - True or false?
True
False
35.
Animals get carbon by feeding on plants or other animals. - True or false?
True
False
36.
Animals get carbon by photosynthesis. - True or false?
True
False
37.
Respiration returns carbon dioxide to the air. - True or false?
True
False
38.
Photosynthesis returns carbon dioxide to the air. - True or false?
True
False
39.
The word equation for respiration is glucose + oxygen makes carbon dioxide + water. - True or false?
True
False
40.
The word equation for respiration is carbon dioxide + water makes glucose + oxygen. - True or false?
True
False
41.
At night, plants respire and give out carbon dioxide. - True or false?
True
False
42.
At night, plants photosynthesise and give out oxygen. - True or false?
True
False
43.
Decomposers release carbon dioxide as they break down waste. - True or false?
True
False
44.
Decomposers absorb carbon dioxide as they break down waste. - True or false?
True
False
45.
Carbohydrates, proteins and fats all contain carbon. - True or false?
True
False
46.
Carbohydrates, proteins and fats contain no carbon. - True or false?
True
False
47.
All living organisms respire. - True or false?
True
False
48.
Only animals respire. - True or false?
True
False
49.
Diamond is a form of the element carbon. - True or false?
True
False
50.
Diamond is a form of the element oxygen. - True or false?
True
False
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Part of Unit 1: Photosynthesis and the carbon cycle — see every lesson and quiz in this unit.
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