F.3 IGCSE Geography - Unit 11.6 Concept checkpoint

Which of the following conditions may facilitate the process of decomposition?

• High annual temperature

• High annual rainfall

• Sparse vegetation

• Large amount of biomass

Which of the following agents are the reasons for creating soil erosion?

• Water

• Wind

• Poor agricultural practices

• Deforestation

Is the following statement correct?

'The decomposition rate in tropical rainforests is rapid.'

• Yes

• No

Is the following statement correct?

'Leaching is severe in tropical rainforests.'

• Yes

• No

Is the following statement correct?

'Soil is formed by rocks when decomposing into pieces.'

• Yes

• No

Which of the following are the reasons for soil degradation?

• Over-farming

• Over-irrigation

• Overgrazing

• Afforestation