what is root pressure? explain an experiment to demonstrate root pressure
Answers
Answer:
water enters the roots from the soil due to concentration difference in ions this is termed as root pressure
Explanation:
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Answer:
Root pressure is the force that drives water and nutrients into xylem upwards through plants. An experiment that can be used to demonstrate this force is by simply cutting a potted plant near the ground level and what is seen is water gushing out from the decapitated plant.
Explanation:
Root pressure in essence is the driving force, the gravity defying force, that allows nutrients from the soil to be taken up by a plant into the branches. Root pressure is generated by the osmotic pressure of the cells of the roots.
Experiment to demonstrate root pressure in plants:
Take a potted plant and cut it at a few inches just above the soil level.
Fix the remaining stump of the potted plant to a mercury manometer using a rubber tubing as shown in the attached image. Ensure that the connection is air tight.
After a few hours, the mercury level in the manometer rises demonstrating root pressure.
