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प्रश्न
What is responsible for guttation?
पर्याय
Osmotic pressure
Root pressure
Suction pressure
Capillarity
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उत्तर
Root pressure
संबंधित प्रश्न
Name the following:
Condition of cell in which the cell contents are shrunken.
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A and B), the container A having water and the other (B) containing concentrated sugar solution. After 24 hours when the cubes were examined, those placed in water were found to be firm and had increased slightly in size and those placed in concentrated sugar solution were found to be soft and somewhat decreased in size. Use the above information to answer the questions that follow:
Name and define the physical process being investigated in this experiment.
Give Reasons for the following.
We gargle with saline water in case of throat infection.
Give Reasons for the following.
Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered. Why?
Give a diagrammatic representation of plasmolysis in a cell.
The diagram below represents an experimental set up to demonstrate a vital process. Study the same and then answer the questions that follow:
(i) Name the process.
(ii) Define the above named process.
(iii) What would you observe in the experimental setup after an hour or so?
(iv) What control experiment can be set up for the above experiment?
(v) Keeping in mind the root hair cell and its surrounding name the part that corresponds to (1) Concentrated sugar solution, (2) Parchment paper, (3) Water in the beaker.
(vi) Name any other substance that can be used instead of parchment paper in the above experiment.
(vii) Mention two advantages of this process to the plant.
Name the following:
Condition of cell in which the cell content are shrunken.
Fill in the Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
Explain the Term: Endosmosis
