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प्रश्न
Explain the Term :
Wilting
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उत्तर
Wilting: The collapse of leaves due to unfavorable water relations. It may be due to excessive transpiration as compared to the absorption of water by roots. It may also be due to blocking of the xylem elements, pathogens or parasites.
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संबंधित प्रश्न
Which one of the following favours the fastest transpiration rate?
Differentiate Between Transpiration and Perspiration.
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental set-up was placed in bright sunlight. Study the diagram and answer the following questions:
- Name the process intended for the study.
- Define the above mentioned process.
- When the weight of the test tubes (A and B) is taken before and after the experiment, what is observed? Give reasons to justify your observations in A & B.
- What is the purpose of keeping the test tube B in the experimental set-up?
- What is the purpose of putting oil in the test tube?
Give Technical Term
The apparatus used to compare the rate of transpiration in cut shoot.
Complete the following sentence with appropriate word:
Transpiration is the loss of water__________________from the leaves of the plant.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
More transpiration occurs from the upper surface of a leaf.
Write the functional activity of the following structure:
Hydathodes
