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Question
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Solution
(i) The epidermis and endodermis of root hairs are permeable to water.
(ii) Root hairs have a very large surface area.
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RELATED QUESTIONS
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.
the exact location of the Lenticels
Differentiate between the following:
Guttation and bleeding
Choose the correct answer:
Wilting of plants occurs when ____________
What is the composition of inner layer of root hair?
From which type of cells, root hair is originated
Which part of the root helps in maximum absorption of water and minerals?
Root hair is a cytoplasmic extension of ______.
Give other name of epidermal cells in roots of plants.
Name the following:
Unicellular outgrowths from the epidermis of roots.
