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प्रश्न
What are lenticels? Where are they found?
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उत्तर
Lenticels are minute, permanent openings which may develop in the young stems of woody plants. Some water is lost continuously through the lenticular openings in the form of water vapour.
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संबंधित प्रश्न
Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
Draw a neat, labelled diagram of a stomatal apparatus.
What are the advantages of transpiration to the plant?
Explain the Term :
Hydathode
Study the diagram given alongside and answer the questions that follow:
(i) Explain the physiological process of being study.
(ii) What will be the observations in the two test-tubes after about 2-3 days?
(iii) Give a reason for your answer in (ii) above.
(iv) Why is the surface of water covered with oil?
(v) State the purpose of setting up test tube B.
Give Technical Term
The apparatus used to compare the rate of transpiration in cut shoot.
Complete the following sentence with appropriate word:
Transpiration normally takes place in the presence of ___________.
State the Location:
Lenticels
Write the functional activity of the following structure:
Guard cells
Mark the most appropriate answer in the following:
Transpiration is very low during storms due to:
