Assertion (A): In plant tissue culture, sodium hypochlorite treatment of explants sterilizes them and eliminates surface pathogens, thereby preventing microbial contamination during in vitro cultivation. Reason (R): While effective for sterilization, sodium hypochlorite is not employed in the acclimatization of regenerated plants. Acclimatization prepares plants for soil transfer by controlling environmental factors such as humidity. Explanation: The assertion is accurate, but the reason is inaccurate, leading to the selection of (C).