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(D) $T$.$W$. Engelmann $(1883)$ performed a classic experiment using the green alga Cladophora and aerobic bacteria. He split light into its spectral

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Engelmann

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(D) $T$.$W$. Engelmann $(1883)$ performed a classic experiment using the green alga Cladophora and aerobic bacteria. He split light into its spectral components using a prism and then illuminated the alga. The aerobic bacteria were used to detect the sites of oxygen evolution. He observed that the bacteria accumulated mainly in the region of blue and red light of the split spectrum,demonstrating that these wavelengths are most effective for photosynthesis.

Name the scientist who demonstrated the effect of different wavelengths of light on photosynthesis using green algae and aerobic bacteria.

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