In the bundle sheath of C4 plant __________ is/ are less than mesophyll. July 26, 2022 by admin Question: In the bundle sheath of C4 plant __________ is/ are less than mesophyll. [A]. PSI [B]. PSII [C]. PSI or PSII [D]. PSI and PSII Answer: Option B Explanation: No answer description available for this question.