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Question
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Solution
| 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 . |
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RELATED QUESTIONS
Transpiration helps in creating ______ force and in eliminating excess ______.
Choose the correct answer:
Who had said that "transpiration is a necessary evil"?
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?
Give Technical Term
Loss of water from the aerial parts of a plant.
Complete the following sentence with appropriate word:
Transpiration is the loss of water__________________from the leaves of the plant.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Root hairs are the extensions of the outer epidermal cells of the root
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Evaporation is a physiological process
An outline sketch of a tree is shown in a diagram below. Study the same and answer the questions that follow:

- Name and define the phenomenon labelled A in the diagram.
- Write the significance of the process mentioned in A for the plants.
- What do the direction of the arrows in B and C indicate? Name the phenomena.
- Draw a neat and labelled diagram of an opened stomata.
