Formation of Soil Quiz

What is the primary source from which oil is derived?

• Water

• Bedrock

• Air

• Plants

What is the role of microbes and algae in soil formation?

• They provide sunlight for plants

• They erode the rocks

• They fix nitrogen and carbon dioxide

• They hold water for plants

What is the symbiotic relationship in lichens?

• Fungi and Bacteria

• Algae and Plants

• Algae and Fungi

• Algae and Bacteria

How long does it typically take for 1 centimeter of topsoil to form?

• 100 years

• 500 years

• 1000 years

• 10 years

What is the main issue related to soil in Britain since 1850?

• Floods

• Erosion

• Drought

• Pollution

What is the cost of soil degradation through current farming practices in Britain?

• 1.2 trillion a year

• 1.2 million a year

• 1.2 thousand a year

• 1.2 billion a year

How can we manage soil responsibly for wildlife and future generations?

• Destroy it

• Work with it in harmony

• Leave it untouched

• Ignore it

What is the role of lichen in soil formation?

• It traps organic matter in rocks

• It provides sunlight for plants

• It erodes the rocks

• It fixes nitrogen and carbon dioxide

In your own words, how is soil formed?

In your own words, why is lichen so important to soil formation?