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Question
Name the following:
The process by which water enters root hairs.
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Solution
Osmosis
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.
How is root hair structurally adapted for absorption of water from the soil?
In the zone of absorption, epidermal cells form unicellular hair-like extensions called ________.
Which part of the root helps in maximum absorption of water and minerals?
How many regions are there in a typical root?
They are pipe-like, consisting of a group of specialised cells. They transport substances and form two-way traffic in plants. Which of the following terms qualify for the features mentioned above?
What is peculiarity of epiphytic plants like orchids?
