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प्रश्न
In which forms water is available to roots for absorption?
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उत्तर
Some amount of water is held in pores present between the neighbouring soil particles, due to capillarity. This is called capillary water which is available for absorption.
संबंधित प्रश्न
______ refers to the water that percolates deep in the soil due to the gravity.
______ water refers to the water that is present in the fine spaces of small non-colloidal soil particles.
Plants absorb water from the ______.
Due to which ·of the following reason root cap has no function in water absorption?
Water absorption takes place through ______.
Water present in the form of hydrated oxides of silicon, aluminium, etc. is called ______.
Which of the following would lead to anti diuresis?
Water which is held very tightly around soil particles by adhesive forces is called ____________water.
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.
