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What is the role of the light-harvesting complexes (LHC) in the light reactions of photosynthesis?
- a)They absorb only one wavelength of light.
- b)They are responsible for splitting water and releasing oxygen.
- c)They help to make photosynthesis more efficient by absorbing different wavelengths of light.
- d)They form the reaction center for photosystem I and II.
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
What is the role of the light-harvesting complexes (LHC) in the light ...
Role of Light-Harvesting Complexes (LHC) in Photosynthesis
Light-harvesting complexes (LHC) play a crucial role in the light reactions of photosynthesis, primarily by enhancing the efficiency of light absorption. Here's a detailed explanation of their function:
Absorption of Light
- LHCs contain pigments, such as chlorophyll a, chlorophyll b, and carotenoids.
- These pigments can absorb light at various wavelengths, allowing the plant to capture a broader spectrum of sunlight.
- This diverse absorption helps maximize energy capture, which is essential for photosynthesis.
Energy Transfer
- Once light is absorbed, the energy is transferred from the LHCs to the reaction centers of photosystem I and II.
- This energy transfer process is highly efficient, ensuring that most of the absorbed light energy is used for the subsequent chemical reactions.
Efficiency of Photosynthesis
- By capturing multiple wavelengths of light, LHCs significantly increase the overall efficiency of the photosynthetic process.
- This adaptability allows plants to thrive in various light conditions, optimizing energy production even in low-light environments.
Conclusion
- In summary, light-harvesting complexes are vital for photosynthesis as they absorb different wavelengths of light and transfer the energy to reaction centers, enhancing the overall efficiency of the light reactions.
- Therefore, the correct answer is option 'C': They help to make photosynthesis more efficient by absorbing different wavelengths of light.
Light-harvesting complexes (LHC) play a crucial role in the light reactions of photosynthesis, primarily by enhancing the efficiency of light absorption. Here's a detailed explanation of their function:
Absorption of Light
- LHCs contain pigments, such as chlorophyll a, chlorophyll b, and carotenoids.
- These pigments can absorb light at various wavelengths, allowing the plant to capture a broader spectrum of sunlight.
- This diverse absorption helps maximize energy capture, which is essential for photosynthesis.
Energy Transfer
- Once light is absorbed, the energy is transferred from the LHCs to the reaction centers of photosystem I and II.
- This energy transfer process is highly efficient, ensuring that most of the absorbed light energy is used for the subsequent chemical reactions.
Efficiency of Photosynthesis
- By capturing multiple wavelengths of light, LHCs significantly increase the overall efficiency of the photosynthetic process.
- This adaptability allows plants to thrive in various light conditions, optimizing energy production even in low-light environments.
Conclusion
- In summary, light-harvesting complexes are vital for photosynthesis as they absorb different wavelengths of light and transfer the energy to reaction centers, enhancing the overall efficiency of the light reactions.
- Therefore, the correct answer is option 'C': They help to make photosynthesis more efficient by absorbing different wavelengths of light.
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What is the role of the light-harvesting complexes (LHC) in the light ...
The light-harvesting complexes (LHC) are made up of pigments that absorb different wavelengths of light, thus enhancing the efficiency of photosynthesis. These pigments help in capturing light energy and transferring it to the reaction centers, where the actual photochemical reactions occur.
Topic in NCERT: Roles various pigments play in photosynthesis
Line in NCERT: "these pigments help to make photosynthesis more efficient by absorbing different wavelengths of light."
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What is the role of the light-harvesting complexes (LHC) in the light reactions of photosynthesis?a)They absorb only one wavelength of light.b)They are responsible for splitting water and releasing oxygen.c)They help to make photosynthesis more efficient by absorbing different wavelengths of light.d)They form the reaction center for photosystem I and II.Correct answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is the role of the light-harvesting complexes (LHC) in the light reactions of photosynthesis?a)They absorb only one wavelength of light.b)They are responsible for splitting water and releasing oxygen.c)They help to make photosynthesis more efficient by absorbing different wavelengths of light.d)They form the reaction center for photosystem I and II.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the role of the light-harvesting complexes (LHC) in the light reactions of photosynthesis?a)They absorb only one wavelength of light.b)They are responsible for splitting water and releasing oxygen.c)They help to make photosynthesis more efficient by absorbing different wavelengths of light.d)They form the reaction center for photosystem I and II.Correct answer is option 'C'. Can you explain this answer?.
What is the role of the light-harvesting complexes (LHC) in the light reactions of photosynthesis?a)They absorb only one wavelength of light.b)They are responsible for splitting water and releasing oxygen.c)They help to make photosynthesis more efficient by absorbing different wavelengths of light.d)They form the reaction center for photosystem I and II.Correct answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is the role of the light-harvesting complexes (LHC) in the light reactions of photosynthesis?a)They absorb only one wavelength of light.b)They are responsible for splitting water and releasing oxygen.c)They help to make photosynthesis more efficient by absorbing different wavelengths of light.d)They form the reaction center for photosystem I and II.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the role of the light-harvesting complexes (LHC) in the light reactions of photosynthesis?a)They absorb only one wavelength of light.b)They are responsible for splitting water and releasing oxygen.c)They help to make photosynthesis more efficient by absorbing different wavelengths of light.d)They form the reaction center for photosystem I and II.Correct answer is option 'C'. Can you explain this answer?.
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