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:

1. Violet and green light
2. Indigo and green light
3. Orange and yellow light
4. Blue and red light

Subtopic:  Historical View: Experiments |
 92%
From NCERT
NEET - 2019
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NEET 2026 - Target Batch - Vital
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