Multiple choice Which of the following are examples of C4 plants? Crassula ovata Zea mays Saccharum officinarum Hordeum vulgare Oryza sativa 1 and 2 1 and 5 2 and 3 2 and 4 3 and 5 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Zea mays and Saccharum officinarum are examples of C4 plants.