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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.
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संबंधित प्रश्न
(a) State whether the following statement are True or False.
(b) Rewrite the false statement in (a) above in the correct form by changing either the first or the last word only.
Transpiration creates a pull for the upward movement of the sap.
Choose the correct answer:
Transpiration generates __________
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.
Define the above mentioned process.
Give Reasons for the following:
Plants absorb more water than their requirement
What are lenticels? Where are they found?
Study the diagram given below and answer the questions that follow:
(i) Name the process being studied in the above experiment.
(ii) Explain the process mentioned in (i) above.
(iii) Why is oil placed over water?
Give Technical Term
The apparatus used to compare the rate of transpiration in cut shoot.
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
