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प्रश्न
Given below is an apparatus used to study a particular process in plants. Study the same and answer the questions that follow :
(i) Name the apparatus.
(ii) Mention one limitation of this apparatus.
(iii) Which phenomenon is studied with the help of this apparatus?
(iv) What is the function of the part marked ‘reservoir’?
(v) What is the role of the air bubble in the experiment?
उत्तर
(i) Garreau’s Potometer.
(ii) The capillary tube should be properly dipped into the water.
(iii) Transpiration.
(iv) It is used to adjust the position of air bubble in graduated capillary tube.
(v) The movement of air bubble in graduated tube in a minute gives the rate of transpiration.
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संबंधित प्रश्न
Given ahead is a diagram of an experimental setup to study the process of transpiration in plants. Study the same and then answer the question that follows:
- Name the colour of dry cobalt chloride paper.
- Is the experimental leaf a monocot or a dicot? Give a reason to support your answer.
- Why are glass slides placed over the dry cobalt chloride papers?
- After about half an hour, what change, if any, would you expect to find in the cobalt chloride paper placed on the dorsal and ventral sides of the leaf? Give a reason to support your answer.
Where are stomata generally found?
Explain the Term
Stomatal transpiration
Draw a labeled diagram of the stomatal apparatus and label the following in it: Stoma, Guard cells, Chloroplast, Epidermal cells, and Cell wall.
Give Technical Term
Which side of the leaf has more stomata?
Write the functional activity of the following structure:
Stomata
Assertion (A): The loss of excess water from the aerial parts of the plant in the form of water vapor is known as transpiration.
Reason (R): Stomata of the leaf perform transpiration.
Define the following term:
Cuticle
