Fetilisers (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which mineral ions do plants particularly require from soil for growth and development?
Which mineral ions do plants particularly require from soil for growth and development?
Nitrates
How do natural ecosystems maintain soil fertility?
How do natural ecosystems maintain soil fertility?
Minerals cycle back via decomposition
Why does intensive farming deplete soil nutrients?
Why does intensive farming deplete soil nutrients?
Crops/animals remove minerals permanently
What becomes the limiting factor for crop productivity when soil minerals decline?
What becomes the limiting factor for crop productivity when soil minerals decline?
Mineral ion concentration
Which three key elements do most artificial fertilisers contain?
Which three key elements do most artificial fertilisers contain?
Nitrogen, phosphorus, potassium
How do natural fertilisers release nutrients compared to artificial fertilisers?
How do natural fertilisers release nutrients compared to artificial fertilisers?
Gradually over extended period
Which biological molecules require nitrogen for their synthesis in plants?
Which biological molecules require nitrogen for their synthesis in plants?
Amino acids, ATP, and nucleotides
What is one benefit of adequate nitrogen availability in plants?
What is one benefit of adequate nitrogen availability in plants?
Enhanced rate of photosynthesis
What does the law of diminishing returns state about fertiliser application?
What does the law of diminishing returns state about fertiliser application?
Beyond optimal point, gains decrease
Which nitrogen fertiliser produces the highest productivity gains?
Which nitrogen fertiliser produces the highest productivity gains?
Ammonium nitrate