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Question
Name the following:
Unicellular outgrowths from the epidermis of roots.
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Solution
Root hair
Explanation:
From the root epidermis, these unicellular outgrowths help to draw minerals and water from the ground.
RELATED QUESTIONS
The apparatus arranged alongside signifies an important process.
(i) Name the process.
(ii) Where does this process occur in plants?
(iii) What solution is placed inside the dialysis tubing?
(iv) What happens to the level of the solution in the capillary tube?
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
If the phloem of a twig is removed keeping the xylem intact, the leaves of a twig wilt.
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 guidelines ‘1’ to ‘5’
(ii) Is the root hair cell unicellular or multi-cellular?
(iii) Draw a labeled diagram of the root hair cell as it would appear if some fertilizer is added to the soil close to it.
(iv) Name the process responsible for the entry of water molecules from the soil into A1 and then A2.
(v) What pressure is responsible for the movement of water in the direction indicated by arrows?
(vi) How is this pressure set up?
Fill in the Blank
Leaves get wilted if _________ is removed from the plant.
Draw a neat and labelled diagram of the Root tip showing the root hair zone.
What would happen to the leaves of a plant that transpires more water than its absorption in the roots?
Minerals cannot be passively absorbed by the roots.
Identify the zone in wbkh root hair occurs.
How many regions are there in a typical root?
Root hair is a cytoplasmic extension of ______.
