Photosynthesis in \[{{C}_{4}}\]plants is relatively less limited by atmospheric \[C{{O}_{2}}\] levels because [CBS PMT 2005]

• A. Four carbon acids are the primary initial \[C{{O}_{2}}\] fixation products
• B. The primary fixation of \[C{{O}_{2}}\] is mediated via PEP carboxylase
• C. Effective pumping of \[C{{O}_{2}}\] into bundlesheath cells
• D. Rubisco in \[{{C}_{4}}\]plants has higher affinity for \[C{{O}_{2}}\]