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प्रश्न
Answer the following (only in few words);
Where does transpiration take place in leaves? Give names of the various parts.
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उत्तर
Transpiration takes place in leaves through stomata. Stomata consist of guard cells, epidermal cells, chloroplast and nucleus.
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संबंधित प्रश्न
Name the factors which affect the rate of transpiration? State their role in each case.
Why are the stomata in most plants more numerous on the lower surface of a leaf instead of being on the upper surface?
Suppose you have a small rose plant growing in a pot. How would you demonstrate transpiration in it?
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.
Answer the following (only in few words);
Give one important difference between transpiration and evaporation.
What are the advantages of transpiration to the plant?
Differentiate Between Transpiration and Translocation.
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental set-up was placed in bright sunlight. Study the diagram and answer the following questions:
- Name the process intended for the study.
- Define the above mentioned process.
- When the weight of the test tubes (A and B) is taken before and after the experiment, what is observed? Give reasons to justify your observations in A & B.
- What is the purpose of keeping the test tube B in the experimental set-up?
- What is the purpose of putting oil in the test tube?
