Home ยป The primary carbon dioxide acceptor in C4 plants is: Animal Husbandry MCQs The primary carbon dioxide acceptor in C4 plants is: January 5, 2022 3 Views Q. The primary carbon dioxide acceptor in C4 plants is: A. Phospho enol pyruvate B. RuBP C. Phospho gyceric acid D. Oxalo acetic acid Answer: A