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प्रश्न
Choose the correct answer:
Process of ascent of sap in plants occurs ___________
पर्याय
by cortex
by xylem
by phloem
by cambium
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उत्तर
Process of ascent of sap in plants occurs by xylem
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संबंधित प्रश्न
Choose the correct answer:
Which tissue makes passage for ascent of sap?
Study the experimental setup in the figure and then answer the question that follow.
What will you observe in the setup after about half an hour? Give reasons for your answer.
What is toxicity ?
Grapes shrink when immersed in a very strong sugar solution.” Explain.
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.
Name the following:
Water is absorbed from the soil by which part.
Outer layer of root hair is made up of ________.
What would happen to the leaves of a plant that transpires more water than its absorption in the roots?
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What is peculiarity of epiphytic plants like orchids?
