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प्रश्न
Choose the correct answer:
Meaning of ascent of sap is ____________
विकल्प
absorption of water from soil.
alteration of water against gravitational force.
reaching of water upwards against gravitational force.
origin of cohesive force in water.
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उत्तर
Meaning of ascent of sap is reaching of water upwards against gravitational force
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संबंधित प्रश्न
Draw a magnified view of the root-hair, and describe, how it helps in the absorption of water from the soil.
Choose the correct answer:
The water is translocated upwards from the roots through _____________
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
Mention one distinct difference between the parts labelled A and B.
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
Given below is an experimental demonstration.
(i) Which phenomenon has been demonstrated in the given figure?
(ii) What is the solute and what is solvent in the above experiment?
(iii) Define the phenomenon in Q. (i) above.
(iv) Give one example from your daily life experiences based on this principle.
Identify the zone in wbkh root hair occurs.
How many regions are there in a typical root?
Why and how does water enter continuously into the root xylem?
Paheli uprooted a rose plant from the soil. Most of the root tips, with root hairs, got left behind in the soil. She planted it in a pot with new soil and watered it regularly. Will the plant grow or die? Give reason for your answer.
Explain about the factors that affect water absorption.
