Formation and Classification (Leaving Cert Agricultural Science): Quizzes
📚Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are the four key components that make up soil?
What are the four key components that make up soil?
Minerals, organic matter, water, air
Why must nitrogen-fixing bacteria convert atmospheric nitrogen for plants?
Why must nitrogen-fixing bacteria convert atmospheric nitrogen for plants?
Plants cannot absorb directly
Which bacteria form symbiotic relationships with legumes like clover?
Which bacteria form symbiotic relationships with legumes like clover?
Rhizobium bacteria
What is the composition of an ideal soil for cultivation?
What is the composition of an ideal soil for cultivation?
sand, silt, clay
Which characteristic is a disadvantage of sandy soils?
Which characteristic is a disadvantage of sandy soils?
Low fertility levels
What property makes clay soils unsuitable for tillage farming?
What property makes clay soils unsuitable for tillage farming?
High plasticity
Which soil type offers the best balance for most agricultural purposes?
Which soil type offers the best balance for most agricultural purposes?
Loam soils
Which soil horizon is commonly known as topsoil?
Which soil horizon is commonly known as topsoil?
A horizon
What is nitrogen's role as 'the growth nutrient'?
What is nitrogen's role as 'the growth nutrient'?
Component of chlorophyll for photosynthesis
Why is phosphorus called 'the energy nutrient'?
Why is phosphorus called 'the energy nutrient'?
Involved in energy transfer processes