True or False the main difference between a Lager and an Ale is type of yeast used?

True. The main difference between a lager and an ale is the type of yeast used. Lager yeast ferments at cooler temperatures (5-12°C) and produces a cleaner, crisper flavor. Ale yeast ferments at warmer temperatures (18-24°C) and produces a fruitier, more complex flavor.