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प्रश्न
The phenomenon of loss of water through a cut stem or injured part of plant is called ___________.
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उत्तर
The phenomenon of loss of water through a cut stem or injured part of plant is called bleeding.
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संबंधित प्रश्न
How does movement and absorption of water take place through the roots?
Which one of the following is a characteristic NOT related with the suitability of the roots for absorbing water?
How is root hair adapted for the absorption of water from the soil?
Choose the correct answer:
Exudation or bleeding is associated with ___________
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.
Study the experimental setup in the figure and then answer the question that follow.
What is meant by 'semipermeable membrane'?
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.
Give Technical Term for the following.
The tissue responsible for the ascent of sap in plants.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Xylem is the water-conducting tissue in plants.
Root hair occurs in the zone of ____________.
