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Question
Name the following:
Holes present on the surface of the stems and twigs for transpiration.
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Solution
Lenticels
RELATED QUESTIONS
Mention the two ways in which transpiration helps the plants.
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Some desert plants have sunked stomata on their leaves.
Mark the most appropriate answer in the following:
Transpiration pull will be maximum under which of the following conditions?
Briefly explain how the rate of transpiration is affected by:
Humidity of the atmosphere
Give Reasons for the following:
Transplanting of seedlings to a flowerbed in the evening is better than doing so in the morning.
Give Reasons for the following:
Young plants wilt on a hot sunny day.
Differentiate Between Transpiration and Translocation.
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?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Evaporation is a physiological process
Write the functional activity of the following structure:
Cuticle
