WSET DIPLOMA D1 COMPREHENSIVE EXAMINATION TEST COMPLETE QUESTIONS WITH ACCURATE SOLUTIONS

WSET DIPLOMA D1 COMPREHENSIVE
EXAMINATION TEST COMPLETE
QUESTIONS WITH ACCURATE SOLUTIONS

●● 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