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प्रश्न
Complete the following sentence with appropriate word:
Transpiration is the loss of water__________________from the leaves of the plant.
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उत्तर
Transpiration is the loss of water In the form of water vapour from the leaves of the plant.
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संबंधित प्रश्न
Mention the two ways in which transpiration helps the plants.
Transpiration helps in creating ______ force and in eliminating excess ______.
Given below is an example of a certain structure and its special functional activity:
Chloroplasts and Photosynthesis.
In a similar way, write the functional activity against each of the following:
Thick cuticle and ………………………..
Distinguish between the following:
Transpiration and evaporation
Choose the correct answer:
Transpiration generates __________
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 setup was placed in bright sunlight. Study the diagram and answer the following questions.
When the weight of the test tubes A and B is taken before and after the experiment, what change is observed? Justify.
Give Reasons for the following:
Forest bring in the rain, transpiration is the cause.
Give Reasons for the following:
Why do some herbaceous plants show wilting of leaves during mid-day which again recover in the evening?
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?
