Subject :NSO Class : Class 6
Beena sets up two experiments, as shown in the diagram below. She placed both the set-ups in sunlight for 9 hours. On noting down her observations for both set-ups she found that there was more oxygen collected in test tube X as compared to test tube Y. What conclusion could she best draw from this experiment?
AThe rate of photosynthesis decreases when there is more carbon dioxide.
BBaking soda is required for photosynthesis.
CCarbon dioxide is required by the plant for photosynthesis.
DThe rate of photosynthesis increases when there is more carbon dioxide.