The following statements refer to the observations made by a student upon using 2,6-dichloroisonicotinic acid (INA) to induce systemic acquired resistance (SAR) in tobacco. INA treatment: A. enhances salicylic acid concentration in plants. B. does not enhance salicylic acid concentration in plants. C. fails to activate SAR in nahG-expressing plants. D. activates SAR in nahG-expressing plants. Which one of the following options represents the combination of all correct statements?

Heterophyllous development in response to environment is an example of which of the following phenomena?

Find the INCORRECT statement(s) about photosynthesis from the following: A. The water splitting complex is associated with PS I. B. C4 plants use the C3 pathway of CO2 fixation as the main biosynthetic pathway. C. In C4 plants, photorespiration does not occur. D. C3 plants exhibit 'Kranz' anatomy. E. ATP synthesis in chloroplast occurs through chemiosmosis. Choose the correct answer from the options given below: