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Question

Liberation of oxygen when green cells in water are exposed to sunlight in presence of suitable acceptor is

A
Emerson effect
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B
Blackman's reaction
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C
Hill's reaction
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D
Arnon reaction.
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Solution

The correct option is B Hill's reaction
Robin Hill in the year 1939 proved that the extracted chloroplasts liberate oxygen when it is present in a suitable electron acceptor under sunlight. It is known as Hill reaction and proves that oxygen is released from water during photosynthesis.
So the correct option is 'Hill's reaction'.

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