Class 7 Exam > Class 7 Questions > Stomata are surrounded bya)Pigmented cellsb)A...
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Stomata are surrounded by
- a)Pigmented cells
- b)Accessories cells
- c)Guard cells
- d)Lenticels
Correct answer is option 'C'. Can you explain this answer?
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Stomata are surrounded bya)Pigmented cellsb)Accessories cellsc)Guard c...
Stomata are surrounded by a pair of guard cell that control the opening and closing of stomata.
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Stomata are surrounded bya)Pigmented cellsb)Accessories cellsc)Guard c...
Stomata are surrounded by
Guard cells
Guard cells are specialized cells that surround and control the opening and closing of stomata. These cells play a crucial role in regulating the exchange of gases and water vapor between the plant and its environment.
Functions of guard cells:
- Control of stomatal opening and closing: Guard cells regulate the opening and closing of stomata in response to various environmental factors such as light, humidity, and carbon dioxide levels. When the guard cells take in water, they swell and create a pore, allowing gases to enter and exit the leaf.
- Prevention of water loss: Guard cells help prevent excessive water loss by closing the stomata during times of drought or high temperatures. This helps conserve water and maintain turgor pressure within the plant.
- Regulation of gas exchange: Guard cells facilitate the exchange of gases such as oxygen and carbon dioxide during photosynthesis and respiration. By controlling the opening and closing of stomata, they ensure that the plant has access to an adequate supply of these gases.
In conclusion, guard cells are essential for the proper functioning of stomata and play a crucial role in the overall health and survival of plants.
Guard cells
Guard cells are specialized cells that surround and control the opening and closing of stomata. These cells play a crucial role in regulating the exchange of gases and water vapor between the plant and its environment.
Functions of guard cells:
- Control of stomatal opening and closing: Guard cells regulate the opening and closing of stomata in response to various environmental factors such as light, humidity, and carbon dioxide levels. When the guard cells take in water, they swell and create a pore, allowing gases to enter and exit the leaf.
- Prevention of water loss: Guard cells help prevent excessive water loss by closing the stomata during times of drought or high temperatures. This helps conserve water and maintain turgor pressure within the plant.
- Regulation of gas exchange: Guard cells facilitate the exchange of gases such as oxygen and carbon dioxide during photosynthesis and respiration. By controlling the opening and closing of stomata, they ensure that the plant has access to an adequate supply of these gases.
In conclusion, guard cells are essential for the proper functioning of stomata and play a crucial role in the overall health and survival of plants.
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Stomata are surrounded bya)Pigmented cellsb)Accessories cellsc)Guard c...
C) Guard cells
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Stomata are surrounded bya)Pigmented cellsb)Accessories cellsc)Guard cellsd)LenticelsCorrect answer is option 'C'. Can you explain this answer?
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Stomata are surrounded bya)Pigmented cellsb)Accessories cellsc)Guard cellsd)LenticelsCorrect answer is option 'C'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Stomata are surrounded bya)Pigmented cellsb)Accessories cellsc)Guard cellsd)LenticelsCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Stomata are surrounded bya)Pigmented cellsb)Accessories cellsc)Guard cellsd)LenticelsCorrect answer is option 'C'. Can you explain this answer?.
Stomata are surrounded bya)Pigmented cellsb)Accessories cellsc)Guard cellsd)LenticelsCorrect answer is option 'C'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Stomata are surrounded bya)Pigmented cellsb)Accessories cellsc)Guard cellsd)LenticelsCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Stomata are surrounded bya)Pigmented cellsb)Accessories cellsc)Guard cellsd)LenticelsCorrect answer is option 'C'. Can you explain this answer?.
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