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WSET DIPLOMA D1 NEWEST 2025 ACTUAL
EXAM COMPLETE 250 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND
NEW!!
Question 1: Most important N American grape species
CORRECT ANSWER : Vitis labrusca, Vitis riparia, Vitis
berlandieri and Vitis rupestris
Question 2: Four main sections of a grape vine
CORRECT ANSWER : the main shoots, one-year-old wood,
permanent wood and the roots
Question 3: What comprises the canopy of a vine?
CORRECT ANSWER : The main shoots and all of their major
structures - stem, buds, leaves, lateral shoots, tendrils and inflorescences/grape bunches
Question 4: What do the main shoots grow from, and when?
CORRECT ANSWER : The main shoots on the vine grow in
spring from buds retained from the previous year
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Question 5: Where are carbohydrates stored in a vine?
CORRECT ANSWER : Stems, trunks, roots
Question 6: Define lignify
CORRECT ANSWER : Green shoots become woody and rigid,
they are then called canes
Question 7: Where do buds form?
CORRECT ANSWER : between the leaf stalk (petiole) and the
stem
Question 8: Define the two types of buds
CORRECT ANSWER : - Compound buds (form in one growing
season and break open the following growing season, producing main shoots; typically a primary, secondary, and maybe tertiary)
- Prompt buds (form and break open same season, form lateral
shoots)
Question 9: What is the main function of lateral shoots? When
are they desirable/undesirable?
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CORRECT ANSWER : - to allow the plant to carry on growing
if the tip of the main shoot has been damaged or eaten - can provide an additional source of leaves for photosynthesis (useful if the laterals are near the ends of the main shoots) - Growth of laterals nearer the base of the main shoot can be undesirable as they impede air flow and can shade the fruit too much
Question 10: What is second crop?
CORRECT ANSWER : Lateral shoots often produce
inflorescences, which can be known as a 'second crop'
Question 11: What is green harvesting?
CORRECT ANSWER: Removal of second crop during summer
Question 12: Define one-year-old wood
CORRECT ANSWER : the main shoots from the last growing
season that were kept at pruning, supports compound buds; cane or spur
Question 13: Define permanent wood
CORRECT ANSWER: woody parts of the vine that are older
than one year, including the trunk
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Question 14: where are most roots found?
CORRECT ANSWER : top 50cm of soil
Question 15: what distinguishes PN clone 115?
CORRECT ANSWER : low Y, small grapes, good for high Q
red wines
Question 16: what distinguishes PN clone 521?
CORRECT ANSWER : high Y, bigger grapes, good for
sparkling wine production