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प्रश्न
Multiple Choice Question:
The most widely accepted theory for ascent of sap is ______.
पर्याय
capillarity theory
root pressure theory
diffusion
transpiration pull theory
उत्तर
The most widely accepted theory for ascent of sap is transpiration pull theory.
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संबंधित प्रश्न
How does movement and absorption of water take place through the roots?
Name the following:
The process by which water enters root hairs.
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
Choose the correct answer:
Which one is semi-permeable?
Choose the correct answer:
Wilting of plants occurs when ____________
Grapes shrink when immersed in a very strong sugar solution.” Explain.
What is the composition of inner layer of root hair?
Draw a neat and labelled diagram of the Root tip showing the root hair zone.
Identify labels x, y, z in the given figure of root showing different regions.
In soil which of the following type of water is available for absorption by plant roots?
