design and experiment to demonstrate hydrotropism
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Following things are required for this experiment:
Seeds of bean, a deep tray, sand, a porous flower pot
Procedure:
The tray should be big enough to accommodate the porous pot.
Fill the tray with sand and insert some seeds in it.
Make a pit in the sand and insert the porous pot in it.
Fill the porous pot with water.
Leave the set up for about a week.
Observation:
After a week when seeds are taken out, it is observed that roots grow in the direction of the porous pot. This shows hydrotropic movement in roots.
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