SOMM Grape Varieties and Viticulture 3

Question 1

The term 'clonal selection' in viticulture refers to what practice?

Accepted Answer

Selecting individual vine cuttings with desirable traits for propagation

Answer

Grafting vines onto phylloxera-resistant rootstock

Answer

Blending wines from different grape clones

Answer

Choosing harvest dates based on sugar levels

Question 2

Tempranillo is known by which name in the Ribera del Duero appellation of Spain?

Accepted Answer

Tinto Fino

Answer

Garnacha

Answer

Monastrell

Answer

Mencía

Question 3

Which winemaking term describes the conversion of malic acid to softer lactic acid by bacteria?

Accepted Answer

Malolactic fermentation

Answer

Primary fermentation

Answer

Carbonic maceration

Answer

Sur lie aging

Question 4

Phylloxera devastated European vineyards in the late 19th century. What was the primary solution used to combat it?

Accepted Answer

Grafting European vines onto American rootstock

Answer

Spraying vineyards with copper sulfate

Answer

Replanting with phylloxera-resistant European varieties

Answer

Flooding vineyards with water

Question 5

Which aromatic white grape is the signature variety of Alsace, France, and is considered one of the world's finest noble white grapes?

Accepted Answer

Riesling

Answer

Pinot Gris

Answer

Gewürztraminer

Answer

Muscat

Question 6

What does 'biodynamic viticulture' include that goes beyond organic farming practices?

Accepted Answer

Planting and harvesting based on lunar calendar and use of specific preparations

Answer

Use of synthetic pesticides only when necessary

Answer

Irrigation management using drip systems

Answer

Carbon footprint calculations for each bottle