mention two instruments materials needed to conduct the experiment on road pressure explain the result
Answers
Answer:
Aim : To demonstrate root pressure.
Material required :
A potted plant, knife, rubber tube, glass tube, coloured water.
Procedure:
Water the herbaceous plants and keep it for some time. Then cut off the upper part of the stem and attach a narrow glass tube on it. Fill the glass tube with coloured water. Mark the level of water and connect a manometer to the glass tube. Record your observations after some time.
Observations:
The colour water rises in level and the manometer shows the root pressure by the increase in mercury level.
Conclusion:
The water level increases as a result of root presure. The root pressure is of a small magnitude as shown by the manometer
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