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प्रश्न
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.
विकल्प
True
False
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उत्तर
This statement is false.
Explanation:
The leaves of the twig remain turgid since its xylem is intact and xylem is responsible for water conduction in plants.
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संबंधित प्रश्न
The phenomenon of loss of water through a cut stem or injured part of plant is called ___________.
Name the following:
The process by which water enters root hairs.
What part is played by The cytoplasm in the uptake of water into the root hair?
Choose the correct answer:
Wilting of plants occurs when ____________
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.
Study the experimental setup in the figure and then answer the question that follow.
What is meant by 'semipermeable membrane'?
How is root hair structurally adapted for absorption of water from the soil?
Given below is the diagram of a cell as seen under the microscope after having been placed in a solution:
(i) What is the technical term used for the state/condition of the cell given above?
(ii) Give the technical term for the solution in which the cell was placed.
(iii) Name the parts numbered 1 to 4.
(iv) Is the cell given above a plant cell or an animal cell ? Give two reasons in support of your answer as evident from the diagram.
(v) What would you do to bring this cell back to its original condition?
Minerals cannot be passively absorbed by the roots.
Root hair is a cytoplasmic extension of ______.
