What is called “Warburg’s effect” in photosynthesis?

Low rate of process due to

O_{2}

supply

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Low rate of the process due to

C O_{2}

supply

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Both a and b

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None of the above

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Solution

The correct option is A Low rate of process due to $O_{2}$ supply
Oxygen inhibits photosynthesis in $C_{3}$ plants but $C_{4}$ plant show little effect because $C_{3}$ plants carry out photorespiration and high oxygen stimulates it. The rate of photosynthesis decreases with increase of concentration of oxygen and the phenomenon is called as Warburg effect.

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