Transpiration

Question 1

When measuring the rate of transpiration with a potometer, why is the calculation only an estimate?

Answer 1

A small amount of the water taken up by the shoot is used in the leaves and is not transpired.

Question 2

define ‘translocation’

Answer 2

The process where food produced in photosynthesis is transported from the leaves(sources) to the growing regions of plants and storage organs (sinks)

Question 3

whats the role of lignin

Answer 3

strengthens the cell walls of xylem cells.

Question 4

Where does translocation happen through?

Answer 4

phloem tubes