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Get Answers to all your Questions
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
- Option 1)
Light saturation for CO2 fixation occurs at 10% of full sunlight
- Option 2)
Increasing atmospheric CO2 concentration upto 0.05% can enhance CO2 fixation rate
- Option 3)
C3 plants responds to higher temperatures with enhanced photosynthesis while C4 plants have much lower temperature optimum
- Option 4)
Tomato is a greenhouse crop which can be grown in CO2 - enriched atmosphere for higher yield
Answers (2)
As discussed in
Photorespiration -
A process in plant metabolism where enzyme RuBisCO oxygenates RuBP, causing some of the energy produced by photosynthesis to be wasted.
- wherein
O2 enters Calvin cycle instead of Co2 this results in reduced rate of photosynthesis.
Rate of photosynthesis is plants is decreased at higher temperature due to photorespiration.
Option 1)
Light saturation for CO2 fixation occurs at 10% of full sunlight
Incorrect option
Option 2)
Increasing atmospheric CO2 concentration upto 0.05% can enhance CO2 fixation rate
Incorrect option
Option 3)
C3 plants responds to higher temperatures with enhanced photosynthesis while C4 plants have much lower temperature optimum
Correct option
Option 4)
Tomato is a greenhouse crop which can be grown in CO2 - enriched atmosphere for higher yield
Incorrect option
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