The first person to connect the appearance of starch with the fixation of carbon in the presence of light was
A
von Sachs
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B
Priestly
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C
van Niel
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D
Engelmann
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Solution
The correct option is A von Sachs von Sachs was the first person to connect the appearance of starch with both the fixation of carbon in chloroplasts and the presence of light.
Priestly was the first person to demonstrate plants produce oxygen.
van Niel hypothesized that the oxygen produced during photosynthesis came from water rather than from carbon dioxide.
Engelmann discovered that photosynthesis occurs in the chloroplast.