Interactions of Limiting Factors (OCR GCSE Biology A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a limiting factor in photosynthesis?
What is a limiting factor in photosynthesis?
A condition restricting rate when scarce
Which three factors are limiting factors in photosynthesis?
Which three factors are limiting factors in photosynthesis?
Light, CO₂, temperature
What happens to the rate of photosynthesis initially as light intensity increases?
What happens to the rate of photosynthesis initially as light intensity increases?
It increases
Why does the photosynthesis rate curve flatten out on a graph?
Why does the photosynthesis rate curve flatten out on a graph?
Another factor becomes limiting
What do multiple lines on a photosynthesis rate graph represent?
What do multiple lines on a photosynthesis rate graph represent?
Different levels of a 2nd/3rd factor
If light intensity is increased but the rate plateaus, what has happened?
If light intensity is increased but the rate plateaus, what has happened?
Another factor like temp becomes limiting
How can farmers optimise photosynthesis in greenhouses?
How can farmers optimise photosynthesis in greenhouses?
By increasing light, CO₂ & optimal temp
What are the benefits of optimising photosynthesis in greenhouses?
What are the benefits of optimising photosynthesis in greenhouses?
Faster growth, higher yields, more profit
What does the inverse square law describe?
What does the inverse square law describe?
Light intensity vs. distance relation
What is the mathematical relationship in the inverse square law?
What is the mathematical relationship in the inverse square law?
Light
If distance from light source doubles, what happens to light intensity?
If distance from light source doubles, what happens to light intensity?
Falls to a quarter