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Question
Where are stomata generally found?
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Solution
Stomata are generally found on the epidermis of the leaf.
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RELATED QUESTIONS
The apparatus shown in the following diagram is Garreau’s potometer designed to demonstrate unequal transpiration from the two surfaces of a dorsiventral leaf. Before keeping the leaf in between the cups, anhydrous calcium chloride (CaCl2) contained in two small vials were weighed and placed in both the cups. The ends of the cups were closed with corks through which two mercury manometers were connected. After few hours, CaCl2 vials were taken out and weighed again.
What do you mean by transpiration?
What is the advantage of wilting to a plant?
Given below is the diagram of an experimental set up to study the process of transpiration in plants. Study the same and then answer the questions that follow:
(i) What is the colour of dry cobalt chloride paper?
(ii) Is the experimental leaf a monocot or a dicot? Give a reason to support your answer.
(iii) Why axe glass slides placed over the dry cobalt chloride papers?
(iv) 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.
(v) Define the term ‘transpiration’.
Name the following:
The process of getting rid of excess water in the form of water vapour through the stomata.
Give Technical Term
Which side of the leaf has more stomata?
Complete the following sentence with appropriate word:
95% of the total transpiration takes place through ________.
Mark the most appropriate answer in the following:
In the mechanism of opening and closing of stomata, the important factor is
Choose the Odd One Out
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
