WSET D1 WINE PRODUCTION EXAM 2025 QUESTIONS AND ANSWERS
4 Sections of a vine - (answer)1. Main Shoots
2. 1 yr. old wood
3. Permanent wood
4. Roots
6 Parts of the main shoot - (answer)1. Buds
A. Compound/latent (source of main shoot)
B. Prompt
2. Lateral Shoots (from prompt buds)
3. Tendrils
4. Leaves- (stomata-pores)
5. Inflorescences (1-3/shoot)
6. Grape Bunches
Parts of a Grape - (answer)1. Pulp- water, sugar, acids, some aroma compounds and precursors
2. Skin- tannin, color compounds, high amounts of aroma compounds and precursors
3. Seeds- oil, tannins, embryo (up to 4 seeds per berry)
4. Bloom- powdery, waxy coating
4 North American Vine Species - (answer)1. Vitis labrusca
2. Vitis riparia
3. Vitis berladieri
4. Vitis rupestris
2 ways to propagate a vine - (answer)1. Cutting
2. Layering
, WSET D1 WINE PRODUCTION EXAM 2025 QUESTIONS AND ANSWERS
What is a random mutation in the genetic code called? - (answer)clone
Clonal example that was significant enough to be labeled a new varietal - 4 names - (answer)Pinot
Pinot Noir, Pinot Gris, Pinot Meunier, Pinot Blanc
From what are new grape varieties are produced? - (answer)Seeds - cross fertilization
Explain a "cross" and give an example - (answer)Pollen from one species pollenates a flower of the same
species
Example: Pinotage=Pinot Noir and Cinsault (purposeful)
Explain a "hybrid" and give an example - (answer)Pollen from a species pollenates a flower of a different
species
Example: Vidal Blanc=Ugni Blanc and Seibel hybrid
https://en.wikipedia.org/wiki/Hybrid_grape
Name the 7 stages of growth of a vine - (answer)1. Dormancy
2. Budburst
3. Shoot and Leaf growth
4. Flowering and Fruit set
5. Grape Development
6. Lignify
7. Leaves fall
Name the 7 parts of a vine flower - (answer)1. Stamen (Filament and Anther)
2. Pollen
3. Stigma
4. Pollen tube
4 Sections of a vine - (answer)1. Main Shoots
2. 1 yr. old wood
3. Permanent wood
4. Roots
6 Parts of the main shoot - (answer)1. Buds
A. Compound/latent (source of main shoot)
B. Prompt
2. Lateral Shoots (from prompt buds)
3. Tendrils
4. Leaves- (stomata-pores)
5. Inflorescences (1-3/shoot)
6. Grape Bunches
Parts of a Grape - (answer)1. Pulp- water, sugar, acids, some aroma compounds and precursors
2. Skin- tannin, color compounds, high amounts of aroma compounds and precursors
3. Seeds- oil, tannins, embryo (up to 4 seeds per berry)
4. Bloom- powdery, waxy coating
4 North American Vine Species - (answer)1. Vitis labrusca
2. Vitis riparia
3. Vitis berladieri
4. Vitis rupestris
2 ways to propagate a vine - (answer)1. Cutting
2. Layering
, WSET D1 WINE PRODUCTION EXAM 2025 QUESTIONS AND ANSWERS
What is a random mutation in the genetic code called? - (answer)clone
Clonal example that was significant enough to be labeled a new varietal - 4 names - (answer)Pinot
Pinot Noir, Pinot Gris, Pinot Meunier, Pinot Blanc
From what are new grape varieties are produced? - (answer)Seeds - cross fertilization
Explain a "cross" and give an example - (answer)Pollen from one species pollenates a flower of the same
species
Example: Pinotage=Pinot Noir and Cinsault (purposeful)
Explain a "hybrid" and give an example - (answer)Pollen from a species pollenates a flower of a different
species
Example: Vidal Blanc=Ugni Blanc and Seibel hybrid
https://en.wikipedia.org/wiki/Hybrid_grape
Name the 7 stages of growth of a vine - (answer)1. Dormancy
2. Budburst
3. Shoot and Leaf growth
4. Flowering and Fruit set
5. Grape Development
6. Lignify
7. Leaves fall
Name the 7 parts of a vine flower - (answer)1. Stamen (Filament and Anther)
2. Pollen
3. Stigma
4. Pollen tube
