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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
The phenomenon of loss of water through a cut stem or injured part of plant is called ___________.
Differentiate between the following:
Guttation and bleeding
Study the diagram given below and answer the questions that follow:
- Name the process being studied in the above experiment.
- Explain the process mentioned in (a) above
- Why is oil placed over water?
- What do we observe with regard to the level of water when this set-up is placed in (1) bright sunlight, (2) humid conditions and (3) windy days?
- Mention any three adaptations found in plants to foster the process mentioned in (a) above
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Dry seeds when submerged in water swell up due to endosmosis.
Define: Root hair
How many regions are there in a typical root?
Identify the part of the plants which is responsible for maximum absorption of water.
Which plant does tissue transport water and minerals from the roots to the leaf?
Why and how does water enter continuously into the root xylem?
They are pipe-like, consisting of a group of specialised cells. They transport substances and form two-way traffic in plants. Which of the following terms qualify for the features mentioned above?
