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DP IB Biology: SL

Topic Questions

Home / IB / Biology: SL / DP / Topic Questions / 4. Ecology / 4.2 Carbon Cycling & Climate Change / Multiple Choice: Paper 1


4.2 Carbon Cycling & Climate Change

Question 1

Marks: 1

Which of the following gases is not a greenhouse gas?

  • Methane

  • Sulfur dioxide

  • Carbon dioxide

  • Water vapour

Choose your answer
  

Question 2

Marks: 1

The carbon cycle is represented by the diagram below.

Part of carbon cycle

Identify process Y.

  • Photosynthesis

  • Combustion

  • Respiration

  • Fossilisation

Choose your answer
  

Question 3

Marks: 1

What is the total mass of carbon released into the atmosphere from respiration per year?

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  • 60 billion tonnes

  • 148 billion tonnes

  • 150 billion tonnes

  • 140 billion tonnes

Choose your answer
  

Question 4

Marks: 1

A climate change sceptic made the following statement:

'There is no consensus amongst scientists that climate change is real, global warming is a natural and normal phenomenon which has occurred at other points in history'

Which of the following opposes the idea that global warming is a natural phenomenon?

  • The idea that many factors contribute towards global climate

  • Data produced by companies involved in global fossil fuel supply shows decreasing greenhouse gas production

  • Scientific research which links the combustion of fossil fuels with global warming

  • Published data which shows that rates of global warming have not been consistent over the last 50 years

Choose your answer
  

Question 5

Marks: 1

Which process results in the production of methane gas?

  • Combustion of fossil fuels

  • Livestock farming

  • Deforestation

  • Ocean acidification

Choose your answer
  
Key Concepts
Methanogenesis