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प्रश्न
Define the following:
Gravitational water
What is meant by Gravitational water?
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उत्तर
The water which percolates deep in the soil, due to gravity is called ‘gravitational water’.
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संबंधित प्रश्न
Fine soil particles imbibe or absorb water and hold it. This is called as _______.
In which forms water is available to roots for absorption?
____________ refers to water present in the form of hydrated oxides of silicon, aluminum, etc.
Water absorption takes place through ______.
The water present in the fine spaces of small non-colloidal soil particles is called ______ water.
Cell wall of root hair is formed by ______ components.
Plants absorb water from the ______.
Which of the following would lead to anti diuresis?
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 |
Given below are two statements.
Statement - I: Cell wall is freely permeable.
Statement - II: Płasma membrane is not selectively permeable.
Choose the correct answer from the options given below with reference to structure of root.
