____________________ is the inhibitory effect of O2 on the rate of photosynthesis.ABlack man effectBEmerson effectCPasteur effectDWarburg effectAnswer: D. Warburg effect Read Explanation: Photoinhibition or Oxygen inhibition, but more specifically, it is known as: Warburg effect.The Warburg effect is the inhibitory effect of oxygen on the rate of photosynthesis, particularly in C3 plants. It occurs when high oxygen levels compete with CO2 for the active site of the enzyme RuBisCO, reducing the rate of photosynthesis. Read more in App