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प्रश्न
Water in the root enters due to ______.
विकल्प
The function of the root to absorb water.
difference in the concentration of ions between the root and the soil.
excess water present in the soil.
diffusion of water in the roots.
उत्तर
Water in the root enters due to The function of the root to absorb water.
Explanation:
The main job of a plant's root system is to take up water and vital nutrients from the soil. The root hairs, which are tiny extensions of the root cells that increase the surface area of the root for greater absorption, are responsible for this absorption. In order to create a concentration gradient that draws water into the root, the root cells actively transport ions and minerals from the soil into the root.
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संबंधित प्रश्न
State whether the following statement is true or false. Rewrite the false statement correctly.
Water absorption mainly occurs through the root-hair.
Match the items in column I with those in column II
Column I | Column II | ||
(a) | Xylem | (i) | semi - permeable |
(b) | Phloem | (ii) | permeable |
(c) | Cell membrane | (iii) | downward flow of sap |
(d) | Root pressure | (iv) | upward flow of water |
(e) | Cell wall | (v) | guttation |
What part is played by the cell wall?
What would happen to the root hair of a potted plant if the soil was watered with an extremely concentrated solution of sodium chloride?
Choose the correct answer:
Meaning of ascent of sap is ____________
Choose the correct answer:
The water is translocated upwards from the roots through _____________
Study the experimental setup in the figure and then answer the question that follow.
Explain the phenomenon mention in question 8.1 .
Most plant cells and tissues constitutes _____ % water.
Part of the root that absorbs water from the soil is ______.
Which of the following are the components of cell wall of root hair?