WSET DIPLOMA D1 ACTUAL EXAM PAPER 2026
QUESTIONS WITH ANSWERS GRADED A+
◉ Majority of global grape varieties belong to what species. Answer:
Vitis Vinifera
◉ Vitis Vinifera is indigenous to where. Answer: Eurasia
◉ What grape varietal species is indigenous to Eurasia. Answer: Vitis
Vinifera
◉ Where are North American grape species used for production?
Answer: New York state
◉ What is the main function of N. American grape species globally?
Answer: Rootstocks for grafting vitis vinifera onto
◉ What are the most important N. American grape species (4)? Answer:
Vitis Labrusca
Vitis Riparia
Vitis Berlandieri
Vitis Rupestris
,◉ Anatomy of the Vine (4). Answer: Main shoots
One-year-old wood
Permanent wood
Roots
◉ What are the major structures of the main shoots. Answer: Stem
bud
leaves
lateral shoots
tendrils
Inflorescences / grape bunches
◉ What does the canopy refer to? Answer: Main shoots and their major
structures
◉ Where do main shoots grow from? Answer: Buds retain from prior
year
◉ What does the stem do for its structures (3)? Answer: Structure
components attach to
Transports water and solutes to/from structures
Store of carbohydrates
, ◉ What are in the solutes in stems? Answer: Sugars and minerals
◉ What are nodes on a stem? Answer: Swellings where structures are
attached
◉ What are internodes? Answer: Length of stem between nodes
◉ What does lignify mean? Answer: Green shoots become woody, rigid,
and turn brown
◉ What is a cane? Answer: A lignified shoot
◉ What are the two types of buds? Answer: Compound/latent
Prompt
◉ What does a bud contain? Answer: All the green parts; stem, buds,
tendrils, leaves, inforescences
◉ What is another name for compound buds. Answer: Latent buds
◉ When do compound buds form and break open? Answer: Form in
year 1 and break open in year 2 (if retained)
QUESTIONS WITH ANSWERS GRADED A+
◉ Majority of global grape varieties belong to what species. Answer:
Vitis Vinifera
◉ Vitis Vinifera is indigenous to where. Answer: Eurasia
◉ What grape varietal species is indigenous to Eurasia. Answer: Vitis
Vinifera
◉ Where are North American grape species used for production?
Answer: New York state
◉ What is the main function of N. American grape species globally?
Answer: Rootstocks for grafting vitis vinifera onto
◉ What are the most important N. American grape species (4)? Answer:
Vitis Labrusca
Vitis Riparia
Vitis Berlandieri
Vitis Rupestris
,◉ Anatomy of the Vine (4). Answer: Main shoots
One-year-old wood
Permanent wood
Roots
◉ What are the major structures of the main shoots. Answer: Stem
bud
leaves
lateral shoots
tendrils
Inflorescences / grape bunches
◉ What does the canopy refer to? Answer: Main shoots and their major
structures
◉ Where do main shoots grow from? Answer: Buds retain from prior
year
◉ What does the stem do for its structures (3)? Answer: Structure
components attach to
Transports water and solutes to/from structures
Store of carbohydrates
, ◉ What are in the solutes in stems? Answer: Sugars and minerals
◉ What are nodes on a stem? Answer: Swellings where structures are
attached
◉ What are internodes? Answer: Length of stem between nodes
◉ What does lignify mean? Answer: Green shoots become woody, rigid,
and turn brown
◉ What is a cane? Answer: A lignified shoot
◉ What are the two types of buds? Answer: Compound/latent
Prompt
◉ What does a bud contain? Answer: All the green parts; stem, buds,
tendrils, leaves, inforescences
◉ What is another name for compound buds. Answer: Latent buds
◉ When do compound buds form and break open? Answer: Form in
year 1 and break open in year 2 (if retained)
