Plant Systems Question

In relation to plants, describe in detail one way of:
a) measuring the rate of transpiration
b) measuring the rate of photosynthesis
c) separating pigments
Essay :
Transpiration is the loss of water vapor from land plants into the atmosphere, causing movement of water through the plant from the soil to the atmosphere via roots, shoot and leaves, which occurs mainly through the stomata. Factors which can affect the rate of transpiration are those such as temperature, humidity, wind, and light, and the water in the soil. …