Question : Chlorophyll was first isolated and named by
Option 1: Joseph Bienaime Caventou
Option 2: Pierre-Joseph Pelletier
Option 3: Agnes Arber
Option 4: Joseph Bienaime Caventou and Pierre-Joseph Pelletier
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Correct Answer: Joseph Bienaime Caventou and Pierre-Joseph Pelletier
Solution : The correct option is Joseph Bienaime Caventou and Pierre-Joseph Pelletier.
Chlorophyll was isolated and identified by French scientists Pierre-Joseph Pelletier, and Joseph Bienaimé Caventou. They successfully extracted a green pigment from leaves in 1817 and dubbed it "chlorophyll" because of its green colour.
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