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प्रश्न
Define the following:
Hygroscopic water
What is meant by Hygroscopic water?
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उत्तर
Fine soil particles imbibe/absorb water and hold it very tightly. This is called ‘hygroscopic water'.
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संबंधित प्रश्न
In which forms water is available to roots for absorption?
Identify the components by which cell wall of root hair is formed.
In soil, ______is available for absorption by plant roots.
Water absorption takes place through ______.
Cell wall of root hair is formed by ______ components.
______ is freely permeable but plasma membrane is selectively permeable.
Which type of water is present in the fine spaces of small non-colloidal soil particles?
Water absorption takes place through ______.
Identify the correct match of type of water given in Column-I and its character in column-II and select the correct option.
| Column-I | Column· II | ||
| (i) | Capillary water | (a) | Present in the form of hydrated oxides of Silicon and Aluminium |
| (ii) | Hygroscopic water | (b) | Goes down through large pores between soil particles and reach water table |
| (iii) | Combined water | (c) | Held in between small non-colloidal soil particles |
| (iv) | Gravitational water | (d) | Held tightly around soil particles by adhesive forces |
Statement I - Root hair is composed of two layers.
Statement II - Outer layer of root hair cell wall is composed of cellulose and inner layer is made up of pectin.
In light of above statements, choose the most appropriate answer from the option given below.
