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प्रश्न
Complete the following sentence with appropriate word:
Plants become cool as a result of __________.
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उत्तर
Plants become cool as a result of Transpiration.
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:
Why was the pot enclosed in a rubber sheet?
Answer the following (only in few words);
Give one important difference between transpiration and evaporation.
Choose the correct answer:
Transpiration generates __________
Choose the correct answer:
Who had said that "transpiration is a necessary evil"?
What is meant by the term transpiration stream?
Give Reasons for the following:
Plants absorb more water than their requirement
Explain the Term :
Hydathode
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?
Name the following:
Plants in which lenticular transpiration.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Transpiration | (a) Cacti plants |
| (ii) Movement of water | (b) Stomata |
| (iii) Guttation | (c) Maize plant |
| (iv) Low rate of transpiration | (d)Xylem |
| (v) The high rate of transpiration | (e) Hydathodes |
