Effect of Lightwaves on Photosynthesis (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does greater buoyancy of leaf discs indicate?
What does greater buoyancy of leaf discs indicate?
Higher photosynthesis rate
Why is sodium bicarbonate solution used in this experiment?
Why is sodium bicarbonate solution used in this experiment?
To provide a source of carbon dioxide
What is the independent variable in this experiment?
What is the independent variable in this experiment?
Colour (wavelength) of light
Which beaker serves as the control group?
Which beaker serves as the control group?
Cling wrap beaker
Why must the leaf discs sink to the bottom initially?
Why must the leaf discs sink to the bottom initially?
To ensure air spaces filled with solution
What do shorter rise times indicate?
What do shorter rise times indicate?
Faster photosynthesis
Why is detergent added to the sodium bicarbonate solution?
Why is detergent added to the sodium bicarbonate solution?
To reduce surface tension
Where do light-dependent reactions occur?
Where do light-dependent reactions occur?
In the thylakoid membranes
What is the dependent variable measured in this experiment?
What is the dependent variable measured in this experiment?
Rate of photosynthesis (time to rise)
What happens when light intensity increases beyond a certain point?
What happens when light intensity increases beyond a certain point?
Other factors become limiting