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Describe an experiment you would carry out to demonstrate that xylem transports water

Describe an experiment you would carry out to demonstrate that xylem transports water

Answers

samuel
i. Either

cut a stem of a young plant or twig of a tree under water
or else uproot a young herbaceous plant and wash the soil gently
put some water in a beaker and add a dye i.e. eosin or red ink and place the cut stem or young plant in a beaker
leave for time e. g. between 20 minutes and one hour
cut a thin section of stem or leaf
mount it on a slide and examine under a microscope
observe and note the distribution of the dye or ink
the dye appears only in the xylem vessels
ii. OR

use radio-active tracers, C14 in form of carbon
ring a plant then put it in a container containing radio-active phosphorous solution
The radio-active phosphorus is later detected in the leaves.
lemass answered the question on March 19, 2019 at 06:33

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