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प्रश्न
Name the following:
Holes present on the surface of the stems and twigs for transpiration.
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उत्तर
Lenticels
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संबंधित प्रश्न
Suppose you have a small rose plant growing in a pot. How would you demonstrate transpiration in it?
Briefly explain how the rate of transpiration is affected by
Intensity of light
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?
Answer the following (only in few words);
Give one important difference between transpiration and evaporation.
Choose the correct answer:
Who had said that "transpiration is a necessary evil"?
Briefly explain how the rate of transpiration is affected by:
Humidity of the atmosphere
Give Reasons for the following:
Land plants die if their roots remain waterlogged.
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?
