AIPMT 2005 Biology Solved Paper

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Question : 68 of 100

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Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because

The primary fixation of CO2 is mediated via PEP carboxylase
Effective pumping of CO2 into bundle sheath cells
Four carbon acids are the primary initial CO2 fixation products
Rubisco in C4 plants has higher affinity for CO2

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