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प्रश्न
Name the following:
The solution outside the cell having lower solute concentration than the fluids.
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उत्तर
Hypotonic
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संबंधित प्रश्न
The figure given below is a diagrammatic representation of a part of the cross section of the root in the root hair zone. Study the same and then answer the questions that follow
(i) Name the parts indicated by the guidelines 1 to 4.
(ii) Which is the process that enables the passage of water from the soil into the root hair?
(iii) Name the pressure that is responsible for the movement of water in the direction indicated by the arrows. Define it.
(iv) Due to an excess of this pressure sometimes drops of water are found along the leaf margins of some plants especially in the early mornings. What is the phenomenon called?
(v) Draw a well labelled diagram of the root hair cell as it would appear if an excess of fertiliser is added to the soil close to it.
Draw a magnified view of the root-hair, and describe, how it helps in the absorption of water from the soil.
Concentration of mineral nutrient elements is higher inside the root hairs than in the surrounding soil. How do roots take them in from the soil?
How is root hair structurally adapted for absorption of water from the soil?
Name the following:
Name the process by which intact plants lose water in the form of droplets.
Multiple Choice Question:
The most widely accepted theory for ascent of sap is ______.
Root hairs are ______
Identify the zone in wbkh root hair occurs.
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
Why and how does water enter continuously into the root xylem?
