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Plants exchange gases through
- a)leaves
- b)stomata
- c)stem
- d)roots
Correct answer is option 'B'. Can you explain this answer?
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Plants exchange gases througha)leavesb)stomatac)stemd)rootsCorrect ans...
Plants exchange gases through stomata
Stomata are tiny openings or pores on the surface of leaves and stems of plants. They play a crucial role in the exchange of gases during photosynthesis and respiration. Here's how plants exchange gases through stomata:
- Gaseous exchange: Stomata allow the entry of carbon dioxide (CO2) into the plant and the exit of oxygen (O2) produced during photosynthesis.
- Opening and closing: Stomata can open and close to regulate gas exchange. This is controlled by specialized cells called guard cells that surround the stomata.
- Transpiration: Stomata also play a role in transpiration, which is the loss of water vapor from the plant. When stomata open, water vapor escapes, helping to cool the plant and facilitate the movement of nutrients.
- Water conservation: To prevent excessive water loss, stomata can close during hot and dry conditions. This minimizes water loss through transpiration.
- Gas diffusion: The gases diffuse through the stomatal pores. Carbon dioxide enters the plant through the stomata and travels to the chloroplasts in the leaves, where it is used for photosynthesis. Oxygen, produced during photosynthesis, exits the plant through the stomata.
In summary, stomata are crucial structures in plants that facilitate the exchange of gases, including carbon dioxide and oxygen, allowing for photosynthesis and respiration to occur.
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Plants exchange gases througha)leavesb)stomatac)stemd)rootsCorrect answer is option 'B'. Can you explain this answer?
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Plants exchange gases througha)leavesb)stomatac)stemd)rootsCorrect answer is option 'B'. 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 Plants exchange gases througha)leavesb)stomatac)stemd)rootsCorrect answer is option 'B'. 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 Plants exchange gases througha)leavesb)stomatac)stemd)rootsCorrect answer is option 'B'. Can you explain this answer?.
Plants exchange gases througha)leavesb)stomatac)stemd)rootsCorrect answer is option 'B'. 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 Plants exchange gases througha)leavesb)stomatac)stemd)rootsCorrect answer is option 'B'. 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 Plants exchange gases througha)leavesb)stomatac)stemd)rootsCorrect answer is option 'B'. Can you explain this answer?.
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