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प्रश्न
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उत्तर
| transpiration | evaporation |
| 1. It is the loss of water from the aerial parts of the plant in the form of water vapour . | 1. It is a physical process of loss of water in the form of water vapour without incorporation of living cells . |
संबंधित प्रश्न
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Hydathodes are similar to stomata in plant physiology.
Why are the stomata in most plants more numerous on the lower surface of a leaf instead of being on the upper surface?
Choose the correct answer:
In herbaceous plants, following percentage of absorbed water comes out __________
What is meant by the term transpiration stream?
What are the advantages of transpiration to the plant?
Explain the Term
Lenticular
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?
Complete the following sentence with appropriate word:
Transpiration is the loss of water__________________from the leaves of the plant.
State the Location:
Cuticle
