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प्रश्न
Give Reasons for the following:
Transplanting of seedlings to a flowerbed in the evening is better than doing so in the morning.
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उत्तर
During day time the transpiration rate is very high. As a result to excessive transpiration and the seedling will wilt and ultimately die. However, in the evening, the transpiration rate is very slow and the seedling will be able to retain the water absorbed from the soil and as a result of this they will remain transplanted.
संबंधित प्रश्न
Which one of the following favours the fastest transpiration rate?
Choose the correct answer:
In herbaceous plants, following percentage of absorbed water comes out __________
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.
What is meant by the term transpiration stream?
Give Reasons for the following:
Why do some herbaceous plants show wilting of leaves during mid-day which again recover in the evening?
Explain the Term :
Hydathode
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Transpiration is a physiological process
Mark the most appropriate answer in the following:
In hot summer days, plant cooling is due to :
