Certified Sommelier Practice Exam 2025 - Free Certified Sommelier Practice Questions and Study Guide

The richness of wines from Ribera del Duero is primarily enhanced by the terroir. This term encompasses the unique combination of soil, climate, topography, and other environmental factors that influence the grapes and ultimately the wine produced in a particular region. In Ribera del Duero, the high altitude, hot days, and cool nights create conditions that promote the development of rich, concentrated flavors in the grapes, particularly the Tempranillo variety, which is predominant in this area. The diverse soil types aid in drainage and root development, contributing to the complexity and depth of the wines produced.

The other options do not accurately address the factors that enhance the richness of these wines. While Chardonnay is a well-known varietal, it is not a significant contributor to the characteristic styles of Ribera del Duero, which focuses mainly on red wines. Higher acidity levels are generally associated with fresher, crisper white wines, not adding richness to the fuller-bodied reds typical of the region. Lastly, while lower temperatures can have an effect, the climate of Ribera del Duero, with its substantial daytime warmth followed by cooler nights, specifically helps to intensify the richness rather than simply lowering temperatures.