Grade 3 Exam > Grade 3 Questions > Which characteristic allows Hydrilla leaves t...
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Which characteristic allows Hydrilla leaves to survive underwater?
- a)Broad and flat leaves
- b)Thick and fleshy leaves
- c)Thin, narrow leaves
- d)Spiny and sharp leaves
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which characteristic allows Hydrilla leaves to survive underwater?a)Br...
Hydrilla leaves are thin and narrow, which allows water to pass through them easily without causing damage. This adaptation helps the plant survive in the flowing water environment. Additionally, this feature prevents the leaves from tearing due to water movement, ensuring the plant remains intact.
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Most Upvoted Answer
Which characteristic allows Hydrilla leaves to survive underwater?a)Br...
Adaptation of Hydrilla Leaves
Hydrilla is a submerged aquatic plant that has specialized adaptations that allow it to thrive underwater. One of the most important characteristics of Hydrilla leaves is their thin and narrow shape.
Reason for Thin, Narrow Leaves
- Hydrodynamic Shape: The thin and narrow leaves reduce resistance as the water flows around them. This shape helps prevent damage from currents and allows the plant to stay anchored to the substrate.
- Efficient Light Capture: Being narrow enables Hydrilla to capture sunlight effectively, even in deeper waters. It allows the plant to maximize light absorption, which is crucial for photosynthesis.
- Gas Exchange: The thin structure facilitates easier gas exchange through the leaf surface, allowing the plant to take in carbon dioxide and release oxygen, even underwater.
Comparison with Other Leaf Types
- Broad and Flat Leaves: While they can capture more light, they may not be as efficient underwater due to increased drag.
- Thick and Fleshy Leaves: These are generally heavier and may not be well-suited for underwater life where buoyancy is essential.
- Spiny and Sharp Leaves: These adaptations are more defensive and do not contribute to the efficiency of underwater survival.
Conclusion
In summary, the thin and narrow leaves of Hydrilla are perfectly adapted for life underwater, allowing the plant to thrive in its aquatic environment. This unique shape provides advantages in terms of light absorption, gas exchange, and reduced water resistance, making it a successful aquatic plant.
Hydrilla is a submerged aquatic plant that has specialized adaptations that allow it to thrive underwater. One of the most important characteristics of Hydrilla leaves is their thin and narrow shape.
Reason for Thin, Narrow Leaves
- Hydrodynamic Shape: The thin and narrow leaves reduce resistance as the water flows around them. This shape helps prevent damage from currents and allows the plant to stay anchored to the substrate.
- Efficient Light Capture: Being narrow enables Hydrilla to capture sunlight effectively, even in deeper waters. It allows the plant to maximize light absorption, which is crucial for photosynthesis.
- Gas Exchange: The thin structure facilitates easier gas exchange through the leaf surface, allowing the plant to take in carbon dioxide and release oxygen, even underwater.
Comparison with Other Leaf Types
- Broad and Flat Leaves: While they can capture more light, they may not be as efficient underwater due to increased drag.
- Thick and Fleshy Leaves: These are generally heavier and may not be well-suited for underwater life where buoyancy is essential.
- Spiny and Sharp Leaves: These adaptations are more defensive and do not contribute to the efficiency of underwater survival.
Conclusion
In summary, the thin and narrow leaves of Hydrilla are perfectly adapted for life underwater, allowing the plant to thrive in its aquatic environment. This unique shape provides advantages in terms of light absorption, gas exchange, and reduced water resistance, making it a successful aquatic plant.
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Which characteristic allows Hydrilla leaves to survive underwater?a)Broad and flat leavesb)Thick and fleshy leavesc)Thin, narrow leavesd)Spiny and sharp leavesCorrect answer is option 'C'. Can you explain this answer? for Grade 3 2025 is part of Grade 3 preparation. The Question and answers have been prepared according to the Grade 3 exam syllabus. Information about Which characteristic allows Hydrilla leaves to survive underwater?a)Broad and flat leavesb)Thick and fleshy leavesc)Thin, narrow leavesd)Spiny and sharp leavesCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Grade 3 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which characteristic allows Hydrilla leaves to survive underwater?a)Broad and flat leavesb)Thick and fleshy leavesc)Thin, narrow leavesd)Spiny and sharp leavesCorrect answer is option 'C'. Can you explain this answer?.
Which characteristic allows Hydrilla leaves to survive underwater?a)Broad and flat leavesb)Thick and fleshy leavesc)Thin, narrow leavesd)Spiny and sharp leavesCorrect answer is option 'C'. Can you explain this answer? for Grade 3 2025 is part of Grade 3 preparation. The Question and answers have been prepared according to the Grade 3 exam syllabus. Information about Which characteristic allows Hydrilla leaves to survive underwater?a)Broad and flat leavesb)Thick and fleshy leavesc)Thin, narrow leavesd)Spiny and sharp leavesCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Grade 3 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which characteristic allows Hydrilla leaves to survive underwater?a)Broad and flat leavesb)Thick and fleshy leavesc)Thin, narrow leavesd)Spiny and sharp leavesCorrect answer is option 'C'. Can you explain this answer?.
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