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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.
संबंधित प्रश्न
State whether the following statement is true or false. Rewrite the false statement correctly.
During transpiration, the leaves lose more water from their upper surface.
Fill in the blank with the suitable term given below:
Transpiration is reduced if the air is __________.
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Hydathodes are similar to stomata in plant physiology.
Given below is an example of a certain structure and its special functional activity:
chloroplasts and photosynthesis
In a similar way, write the functional activity against the following:
Xylem and ______
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.
When the weight of the test tubes A and B is taken before and after the experiment, what change is observed? Justify.
Give Reasons for the following:
Transplanting of seedlings to a flowerbed in the evening is better than doing so in the morning.
What is meant by the term transpiration stream?
Give Reasons for the following:
Young plants wilt on a hot sunny day.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Transpiration takes place only in green plants
Give a reason/suitable explanation.
Forests tend to bring more rains.
