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उत्तर
(i) Stomatal transpiration: Stomata are minute pores confined to the epidermis of green shoot and leaves. The opening and closing of stomata are controlled by guard cells. Maximum loss (80-90 percent of the total water loss) of water from the plant tissues takes place through the stomatal opening.
(ii) Lenticular transpiration: Loss of water in the form of water vapour taking place through the lenticels present in woody stem and fruits is called lenticular transpiration. it amounts 1-5 percent of the total water loss by the plant.
(iii) Cuticular transpiration: the loss of water in the form of water vapour through the cuticle is known as cuticular Transpiration.
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संबंधित प्रश्न
Mention the two ways in which transpiration helps the plants.
Describe an experiment to show that the plant loses water through its leaves.
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Most transpiration occurs during midday.
Answer the following (only in few words);
Where does transpiration take place in leaves? Give names of the various parts.
Choose the correct answer:
The cause of wilting is more ___________
What is meant by the term transpiration stream?
Differentiate Between Transpiration and Perspiration.
Name the following:
Holes present on the surface of the stems and twigs for transpiration.
Complete the following sentence with appropriate word:
Plants become cool as a result of __________.
