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Question

At high oxygen concentration, the rate of photosynthesis decreases due to

A
Warburg effect
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B
Pasteur effect
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C
Emerson effect
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D
Richmond Lang effect.
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Solution

The correct option is D Warburg effect
RuBisCO is ribulose bisphosphate carboxylase-oxygenase is the molecule which is the CO2 acceptor but its affinity to bind with oxygen is more than CO2. So when the concentration of oxygen increases the rate of photosynthesis decreases. This is known as the Warburg effect.
So the correct option is 'Warburg effect'.

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