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प्रश्न
Name the following:
A potometer is an instrument for measuring the rate of the most transpiration in a herbaceous plant like Balsam occurs through which part.
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उत्तर
Stomata
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संबंधित प्रश्न
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:
Lenticels and ______
Given ahead is the diagram of an experimental set up to study the process of transpiration in plants. Study the same and then answer the question that follow:
Why are glass slides placed over the dry cobalt chloride papers?
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 is the purpose of using a manometer?
State the functions of guard cells.
What is the advantage of wilting to a plant?
Differentiate Between Stomata and Hydathodes.
The upper layer of mesophyll in a leaf consists of elongated ground tissue called ______.
When guard cells are flaccid, the stoma must be ______.
Give a reason/suitable explanation.
Leaves of some plants wilt during midday and recover in the evening.
Given below is the figure of a stoma. Study the same and answer the following questions:
- Label the guidelines A and B.
- Write the exact location of the above-mentioned structures.
- Mention one important role of structure A.
- Write three important roles for structure B.
- Redraw the same figure when structures A are in flaccid condition. When does the flaccid condition occur?
