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प्रश्न
Explain factors affecting water absorption.
Write any four factors affecting water absorption in plants.
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उत्तर
- The presence of capillary water is essential.
- The rate of water absorption is maximum at soil temperatures between 20°C and 30°C.
- High concentrations of solutes in soil water reduce the rate of absorption of water.
- Poorly aerated soil shows poor absorption rates.
- Increased transpiration accelerates the rate of absorption of water in the irrigated soil.
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
Explain why pure water has the maximum water potential.
What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?
Explain what will happen to a plant cell if it is kept in a solution having higher water potential
Define the term:
Water potential
Water absorption takes place through ______
The relation between water potential, solute potential and pressure potential is
Why is solute potential always negative? Explain yw = ys + yp
Halophytes may show cell pressure very much higher than atmospheric pressure. Explain how this can happen?
Cell A has water potential - 10 bars and cell B has - 5 bars, the movement of water will occur from______.
Give the precursor, chemical composition and any two applications of Gibberelins.
