ASSIGNMENT
5.
A student investigated the effect of light intensity on the rate of photosynthesis of algae
Fig. 5.1 shows the apparatus set up for the investigation
glass tank with water
осоор
bottle containing algae
suspension and hydrogencarbonate
indicator solution
mp
stop-clock
11
ruler
0
20
40
60
80
100
120
Fig. 5.1
(a) Suggest why a glass tank with water was placed between the lamp and the bottle in
the investigation.​