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प्रश्न
Write the functional activity of the following structure:
Hydathodes
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उत्तर
Plants secrete an excess of water through hydathodes when the atmosphere is very humid and the transpiration process cannot occur.
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.
Answer the following (only in few words);
Where does transpiration take place in leaves? Give names of the various parts.
Answer the following (only in few words);
Give one important difference between transpiration and evaporation.
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:
Young plants wilt on a hot sunny day.
Name the following:
Plants in which lenticular transpiration.
Complete the following sentence with appropriate word:
Plants become cool as a result of __________.
Mark the most appropriate answer in the following:
Transpiration is very low during storms due to:
Give a reason/suitable explanation.
Forests tend to bring more rains.
