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प्रश्न
The process by which root hairs absorb water from the soil.
Give One Word Answer.
The process by which root hairs absorb water from the soil.
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उत्तर
Osmosis
APPEARS IN
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.
Differentiate between the following:
Guttation and bleeding
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
The root hair cell is in a turgid state. Name and explain the process that caused this state.
What is toxicity ?
Give Technical Term for the following.
The tissue responsible for the ascent of sap in plants.
Water which is absorbed by roots is transported to aerial parts of the plant through ______
Epiphytic plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called ____________.
