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प्रश्न
How is root hair structurally adapted for absorption of water from the soil?
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उत्तर
(i) The root hair represents a large surface area in contact with the soil particle.
(ii) The minute root hair can penetrate between the soil particles and when it comes in contact with soil water, the cell membrane allows efficient entry of water into the root.
(iii) The cytoplasm and the vacuoles also help in this water absorption by osmosis.
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संबंधित प्रश्न
Differentiate between the following:
Guttation and bleeding
Choose the correct answer:
Process of ascent of sap in plants occurs ___________
Given below is an experimental demonstration.
(i) Which phenomenon has been demonstrated in the given figure?
(ii) What is the solute and what is solvent in the above experiment?
(iii) Define the phenomenon in Q. (i) above.
(iv) Give one example from your daily life experiences based on this principle.
Name the following:
Root hairs are the extension of which cells.
What is the composition of inner layer of root hair?
Draw a neat and labelled diagram of Root hair.
Trace the pathway followed by water molecules from the time it enters a plant root to the time it escapes into the atmosphere from a leaf.
Identify the part of the plants which is responsible for maximum absorption of water.
Roots of the plants absorb water from the soil through the process of ____________.
