T. W. Engelmann performed experiments on .... | vedclass

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(A) $T$. $W$. Engelmann $(1883)$ performed a classic experiment using a green alga,$Cladophora$,placed in a suspension of aerobic bacteria. He used a

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Cladophora and aerobic bacteria

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(A) $T$. $W$. Engelmann $(1883)$ performed a classic experiment using a green alga,$Cladophora$,placed in a suspension of aerobic bacteria. He used a prism to split light into its spectral components and then illuminated the alga. The aerobic bacteria were used to detect the sites of $O_2$ evolution. He observed that the bacteria accumulated mainly in the region of blue and red light of the split spectrum. Thus,he described the first action spectrum of photosynthesis.

$T$. $W$. Engelmann performed experiments on $.......$.

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