The Development of Soil (Leaving Cert Geography): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How long does soil formation typically take?
How long does soil formation typically take?
Hundreds to thousands of years
What is mechanical weathering?
What is mechanical weathering?
Physical breakdown without chemical change
Which nutrients are released during chemical weathering?
Which nutrients are released during chemical weathering?
Phosphorous, potassium, and calcium
What is the weathered material that forms the foundation layer of soil called?
What is the weathered material that forms the foundation layer of soil called?
Parent material
Which pioneer plants colonise developing soil first?
Which pioneer plants colonise developing soil first?
Mosses and lichens
What is humus?
What is humus?
Decomposed organic matter
Which microorganisms decompose plant remains in stage 4?
Which microorganisms decompose plant remains in stage 4?
Bacteria and fungi
What role does humus play in soil structure?
What role does humus play in soil structure?
Binds soil particles together
What characterises the A horizon?
What characterises the A horizon?
Rich in organic matter and humus
What does the B horizon contain?
What does the B horizon contain?
Minerals leached from the A horizon
What is the C horizon composed of?
What is the C horizon composed of?
Partially weathered rock fragments
How long does it take for soil to develop meaningful depth?
How long does it take for soil to develop meaningful depth?
Centuries