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Questions
Name the following:
Tissue concerned with upward conduction of water.
Name the tissue concerned with upward conduction of water in plants.
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Solution
Xylem
RELATED QUESTIONS
What part is played by the following in the uptake of water into the root hair?
The cell wall
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:

Draw a diagram of the above root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
A thin strip of epidermal cells from the fleshy scales of an onion bulb was examined in a drop of water, under a microscope. All the epidermal cells looked alike and the figure alongside represents one of them. The thin strip was then transferred to a drop of strong sugar solution and re-examined under the microscope after about five minutes.

(i) Make a sketch of one of the epidermal cells, as it might appear after immersion in a strong sugar solution. Label any two parts which have undergone a change.
(ii) Give the scientific term for the change shown in Q.(i) above.
(iii) What would you do to bring this cell back to its original condition?
(iv) Give the scientific term used for the recovery of the cell as a result of the step taken in Q.(iii) above.
Multiple Choice Question:
Process of endosmosis stops:
Outer layer of root hair is made up of ________.
Inner layer of root hair is made up of ______.
From which type of cells, root hair is originated
Draw a neat and labelled diagram of Root hair.
What would happen to the leaves of a plant that transpires more water than its absorption in the roots?
Identify labels x, y, z in the given figure of root showing different regions.

