Biology for IGCSE & O level - Plant Nutrition (Section 5 - No. 38)
In an experiment to investigate the effect of light intensity on the rate of photosynthesis, what should be the independent variable?
The number of bubbles produced
The distance from the light source
The type of plant used
The temperature of the water
Explanation
The independent variable is what you manipulate or change in the experiment. Here, it's the distance from the light source, which affects light intensity.
Comments (0)
