Factors Affecting the Rate of Photosynthesis (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a limiting factor in photosynthesis?
What is a limiting factor in photosynthesis?
A factor preventing rate increase
Which light wavelengths produce the greatest rate of photosynthesis?
Which light wavelengths produce the greatest rate of photosynthesis?
Violet and red light
What is the saturation point?
What is the saturation point?
When enzyme can't receive more substrate
What happens to enzymes when temperature rises above the optimal level?
What happens to enzymes when temperature rises above the optimal level?
They denature and lose function
Why is the pH-photosynthesis graph more symmetrical than the temperature graph?
Why is the pH-photosynthesis graph more symmetrical than the temperature graph?
pH denatures enzymes above and below optimum
What happens when Rubisco binds oxygen instead of carbon dioxide?
What happens when Rubisco binds oxygen instead of carbon dioxide?
Photorespiration starts
Which plant type is most severely affected by low CO₂ concentrations?
Which plant type is most severely affected by low CO₂ concentrations?
C3 plants
What is a consequence of stomatal closure during water stress?
What is a consequence of stomatal closure during water stress?
CO₂ can't enter leaves
How do competitive inhibitors affect enzymes?
How do competitive inhibitors affect enzymes?
Block the active site
Why does photosynthesis rate plateau after a certain light intensity?
Why does photosynthesis rate plateau after a certain light intensity?
Max rate reached or other factor limits