Rate of Photosynthesis (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 happens to enzymes if temperature exceeds the optimal point during photosynthesis?
What happens to enzymes if temperature exceeds the optimal point during photosynthesis?
They denature
Why does the rate of photosynthesis increase as temperature rises initially?
Why does the rate of photosynthesis increase as temperature rises initially?
Process is enzyme-controlled
Why does increasing light intensity eventually stop raising the photosynthesis rate?
Why does increasing light intensity eventually stop raising the photosynthesis rate?
Other factors become limiting
What role does carbon dioxide play in photosynthesis?
What role does carbon dioxide play in photosynthesis?
A key reactant
What is the function of chlorophyll in photosynthesis?
What is the function of chlorophyll in photosynthesis?
Captures light energy
What effect does magnesium deficiency have on the rate of photosynthesis?
What effect does magnesium deficiency have on the rate of photosynthesis?
Decreases it
What is measured to determine the rate of photosynthesis in pondweed experiments?
What is measured to determine the rate of photosynthesis in pondweed experiments?
Oxygen production
Which aquatic plant is commonly used to measure photosynthesis rate?
Which aquatic plant is commonly used to measure photosynthesis rate?
Pondweed
What creates the gas bubble in the capillary tube during the experiment?
What creates the gas bubble in the capillary tube during the experiment?
Oxygen produced from photosynthesis
How is light intensity varied in the pondweed photosynthesis experiment?
How is light intensity varied in the pondweed photosynthesis experiment?
Adjusting distance of lamp
How is temperature varied in the photosynthesis experiment?
How is temperature varied in the photosynthesis experiment?
Using a water bath
Why must all factors except the independent variable be controlled in the experiment?
Why must all factors except the independent variable be controlled in the experiment?
To maintain validity