Concept:Cultural practices are routine field activities carried out to ensure proper growth and yield of a crop.Explanation:Weeding is a cultural practice because it removes weeds that compete with cabbage for nutrients and water.Watering is a cultural practice because it supplies moisture needed for cabbage growth.Pruning is not a common cultural practice in cabbage cultivation because cabbage does not require removal of branches or leaves for proper development.Answer:C. II and III only