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One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:
- a)Violet and green light
- b)Indigo and green light
- c)Orange and yellow light
- d)Blue and red light
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
One scientist cultured Cladophora in a suspension of Azotobacter and i...
Using a prism he split light into its spectral components and then illuminated a green alga, Cladophora, placed in a suspension of aerobic bacteria. The bacteria were used to detect the sites of O2 evolution. He observed that the bacteria accumulated mainly in the region of blue and red light of the split spectrum.
Most Upvoted Answer
One scientist cultured Cladophora in a suspension of Azotobacter and i...
Understanding the Experiment
The scientist's experiment involved culturing Cladophora (a type of green algae) in a suspension of Azotobacter (a nitrogen-fixing bacterium) while illuminating the culture with light split by a prism. The goal was to observe bacterial accumulation in relation to different wavelengths of light.
Light Spectrum and Photosynthesis
- Photosynthetic Activity: Cladophora, like other photosynthetic organisms, utilizes light energy for photosynthesis, converting carbon dioxide and water into glucose and oxygen.
- Wavelengths of Light: Different colors of light (wavelengths) can influence the rate of photosynthesis and, consequently, the growth and distribution of associated bacteria like Azotobacter.
Why Blue and Red Light?
- Blue Light:
- Has a short wavelength and high energy.
- It is crucial for chlorophyll absorption, promoting efficient photosynthesis.
- Red Light:
- Has a longer wavelength, which is also effectively absorbed by chlorophyll.
- This light enhances the photosynthetic process, leading to increased organic matter production, which bacteria can utilize.
Conclusion: Bacterial Accumulation
- The study found that bacteria accumulated mainly in the blue and red light regions because:
- Both wavelengths are optimal for photosynthesis in Cladophora.
- Enhanced photosynthetic activity leads to more organic substrates available for Azotobacter, promoting its growth.
Thus, the correct answer, option 'D', reflects the importance of blue and red light in driving photosynthesis and supporting the growth of associated bacteria in the culture.
The scientist's experiment involved culturing Cladophora (a type of green algae) in a suspension of Azotobacter (a nitrogen-fixing bacterium) while illuminating the culture with light split by a prism. The goal was to observe bacterial accumulation in relation to different wavelengths of light.
Light Spectrum and Photosynthesis
- Photosynthetic Activity: Cladophora, like other photosynthetic organisms, utilizes light energy for photosynthesis, converting carbon dioxide and water into glucose and oxygen.
- Wavelengths of Light: Different colors of light (wavelengths) can influence the rate of photosynthesis and, consequently, the growth and distribution of associated bacteria like Azotobacter.
Why Blue and Red Light?
- Blue Light:
- Has a short wavelength and high energy.
- It is crucial for chlorophyll absorption, promoting efficient photosynthesis.
- Red Light:
- Has a longer wavelength, which is also effectively absorbed by chlorophyll.
- This light enhances the photosynthetic process, leading to increased organic matter production, which bacteria can utilize.
Conclusion: Bacterial Accumulation
- The study found that bacteria accumulated mainly in the blue and red light regions because:
- Both wavelengths are optimal for photosynthesis in Cladophora.
- Enhanced photosynthetic activity leads to more organic substrates available for Azotobacter, promoting its growth.
Thus, the correct answer, option 'D', reflects the importance of blue and red light in driving photosynthesis and supporting the growth of associated bacteria in the culture.
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One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:a)Violet and green lightb)Indigo and green lightc)Orange and yellow lightd)Blue and red lightCorrect answer is option 'D'. 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 One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:a)Violet and green lightb)Indigo and green lightc)Orange and yellow lightd)Blue and red lightCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:a)Violet and green lightb)Indigo and green lightc)Orange and yellow lightd)Blue and red lightCorrect answer is option 'D'. Can you explain this answer?.
One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:a)Violet and green lightb)Indigo and green lightc)Orange and yellow lightd)Blue and red lightCorrect answer is option 'D'. 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 One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:a)Violet and green lightb)Indigo and green lightc)Orange and yellow lightd)Blue and red lightCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:a)Violet and green lightb)Indigo and green lightc)Orange and yellow lightd)Blue and red lightCorrect answer is option 'D'. Can you explain this answer?.
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One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:a)Violet and green lightb)Indigo and green lightc)Orange and yellow lightd)Blue and red lightCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:a)Violet and green lightb)Indigo and green lightc)Orange and yellow lightd)Blue and red lightCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:a)Violet and green lightb)Indigo and green lightc)Orange and yellow lightd)Blue and red lightCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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