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प्रश्न
What are the advantages of transpiration to the plant?
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उत्तर
(i) It results in the ascent of sap by creating a suction force.
(ii) It results in the cooling of the plant in summer.
(iii) It helps in the distribution of water to all parts of the plants.
(iv) It helps in the elimination of the excess of water absorbed by the roots.
संबंधित प्रश्न
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Most transpiration occurs during midday.
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?
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 the following:
Xylem and ______
What is meant by the term transpiration stream?
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:
Holes present on the surface of the stems and twigs for transpiration.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Transpiration is a physiological process
Choose the Odd One Out
Give a reason/suitable explanation.
Forests tend to bring more rains.
