Rate of Photosynthesis (AQA GCSE Biology): Quizzes

📚Quizzes
Revision NotesModel AnswersQuizzesFlashcardsExam Questions
Rate of Photosynthesis
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

11 questions from this quiz

Show

Why does increasing temperature initially speed up the rate of photosynthesis?

Photosynthesis is enzyme-controlled

What happens to enzymes when temperature exceeds the optimal point for photosynthesis?

They denature

Why doesn't photosynthesis rate keep increasing at very high light intensities?

Other factors become limiting

What is the role of carbon dioxide in photosynthesis?

It is a key reactant

What is the function of chlorophyll in photosynthesis?

Captures light energy

How does a magnesium deficiency affect the rate of photosynthesis?

Reduces chlorophyll, decreasing rate

What is measured to determine the rate of photosynthesis in pondweed?

Oxygen production

In the pondweed experiment, what does the distance the gas bubble travels represent?

Volume of oxygen produced

How is light intensity varied in the pondweed photosynthesis experiment?

Adjusting the lamp distance

How is temperature controlled when investigating its effect on photosynthesis?

Using a water bath

Why must only one variable be changed in the photosynthesis experiment?

To maintain validity of the experiment

Explore AQA GCSE Biology Revision Notes by Topics

Photosynthesis

Respiration

Explore AQA GCSE Biology Model Answers by Topics

Photosynthesis

Respiration

Explore AQA GCSE Biology Flashcards by Topics

Photosynthesis

Respiration

Explore AQA GCSE Biology Exam Questions by Topics

Photosynthesis

Respiration

Join 100,000+ GCSE students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.