Light reactions, C3 vs C4 pathway, Kranz anatomy

2026 1 question

1. Find the INCORRECT statement(s) about photosynthesis from the following: I. The water splitting complex is associated with PS I. II. $C_4$ plants use the $C_3$ pathway of $CO_2$ fixation as the main biosynthetic pathway. III. In $C_4$ plants, photorespiration does not occur. IV. $C_3$ plants exhibit 'Kranz' anatomy. V. ATP synthesis in chloroplast occurs through chemiosmosis. Choose the answer from the options given below: