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What term describes the small openings on the surface of leaves that facilitate gas exchange?
- a)Stomata
- b)Chloroplasts
- c)Veins
- d)Petioles
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
What term describes the small openings on the surface of leaves that f...
Understanding Stomata
Stomata are tiny openings located on the surface of leaves that play a crucial role in the process of gas exchange in plants.
Key Functions of Stomata:
- Gas Exchange: Stomata allow carbon dioxide (CO2) to enter the leaf for photosynthesis, which is essential for the plant's growth and energy production. At the same time, oxygen (O2), a byproduct of photosynthesis, exits the leaf through these openings.
- Transpiration: Stomata also facilitate transpiration, the process by which water vapor is released from the plant into the atmosphere. This helps in cooling the plant and maintaining its water balance.
- Regulation: The opening and closing of stomata are regulated by guard cells. These specialized cells surround each stoma and control its size, responding to environmental conditions such as light, humidity, and CO2 concentration.
Other Options Explained:
- Chloroplasts: These are organelles within plant cells responsible for photosynthesis but do not facilitate gas exchange.
- Veins: Plant veins transport water and nutrients but are not involved in gas exchange.
- Petioles: The petiole is the stalk that attaches the leaf to the stem, serving a structural role rather than a function in gas exchange.
In conclusion, stomata are essential for the survival of plants, enabling them to take in necessary gases and release byproducts efficiently. Their unique structure and function make them vital components of the leaf's anatomy.
Stomata are tiny openings located on the surface of leaves that play a crucial role in the process of gas exchange in plants.
Key Functions of Stomata:
- Gas Exchange: Stomata allow carbon dioxide (CO2) to enter the leaf for photosynthesis, which is essential for the plant's growth and energy production. At the same time, oxygen (O2), a byproduct of photosynthesis, exits the leaf through these openings.
- Transpiration: Stomata also facilitate transpiration, the process by which water vapor is released from the plant into the atmosphere. This helps in cooling the plant and maintaining its water balance.
- Regulation: The opening and closing of stomata are regulated by guard cells. These specialized cells surround each stoma and control its size, responding to environmental conditions such as light, humidity, and CO2 concentration.
Other Options Explained:
- Chloroplasts: These are organelles within plant cells responsible for photosynthesis but do not facilitate gas exchange.
- Veins: Plant veins transport water and nutrients but are not involved in gas exchange.
- Petioles: The petiole is the stalk that attaches the leaf to the stem, serving a structural role rather than a function in gas exchange.
In conclusion, stomata are essential for the survival of plants, enabling them to take in necessary gases and release byproducts efficiently. Their unique structure and function make them vital components of the leaf's anatomy.
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Community Answer
What term describes the small openings on the surface of leaves that f...
Stomata are tiny pores located on the surface of leaves that allow for gas exchange, enabling the plant to take in carbon dioxide and release oxygen. This process is essential for photosynthesis and transpiration, helping maintain the plant's internal balance.
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What term describes the small openings on the surface of leaves that facilitate gas exchange?a) Stomatab) Chloroplastsc) Veinsd) PetiolesCorrect answer is option 'A'. Can you explain this answer? for Class 6 2025 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about What term describes the small openings on the surface of leaves that facilitate gas exchange?a) Stomatab) Chloroplastsc) Veinsd) PetiolesCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 6 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What term describes the small openings on the surface of leaves that facilitate gas exchange?a) Stomatab) Chloroplastsc) Veinsd) PetiolesCorrect answer is option 'A'. Can you explain this answer?.
What term describes the small openings on the surface of leaves that facilitate gas exchange?a) Stomatab) Chloroplastsc) Veinsd) PetiolesCorrect answer is option 'A'. Can you explain this answer? for Class 6 2025 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about What term describes the small openings on the surface of leaves that facilitate gas exchange?a) Stomatab) Chloroplastsc) Veinsd) PetiolesCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 6 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What term describes the small openings on the surface of leaves that facilitate gas exchange?a) Stomatab) Chloroplastsc) Veinsd) PetiolesCorrect answer is option 'A'. Can you explain this answer?.
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