WSET Diploma D1
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. What are the most important North American grape species?
A. Vitis vinifera, Vitis amurensis, Vitis rotundifolia, and Vitis aestivalis
B. Vitis labrusca, Vitis riparia, Vitis berlandieri, and Vitis rupestris
C. Vitis cinerea, Vitis palmata, Vitis shuttleworthii, and Vitis monticola
D. Vitis vinifera, Vitis riparia, Vitis amurensis, and Vitis coignetiae
• Correct Answer: B. Vitis labrusca, Vitis riparia, Vitis berlandieri, and
Vitis rupestris
2. What are the four main sections of a grapevine?
A. Leaves, flowers, fruit, and roots
B. Main shoots, one-year-old wood, permanent wood, and roots
C. Trunk, canopy, flowers, and fruit
D. Buds, canes, leaves, and tendrils
• Correct Answer: B. Main shoots, one-year-old wood, permanent
wood, and roots
3. What comprises the canopy of a vine?
A. Only the leaves and fruit clusters
B. The trunk and roots
C. The main shoots and all of their major structures, including stems, buds,
leaves, lateral shoots, tendrils, and inflorescences/grape bunches
D. Only the permanent wood and canes
,• Correct Answer: C. The main shoots and all of their major structures,
including stems, buds, leaves, lateral shoots, tendrils, and
inflorescences/grape bunches
4. When and from where do the main shoots of a vine grow?
A. From roots during winter
B. From compound buds retained from the previous year during spring
C. From lateral shoots during summer
D. From permanent wood during autumn
• Correct Answer: B. From compound buds retained from the previous
year during spring
5. Where are carbohydrates primarily stored in a vine?
A. Leaves only
B. Grapes only
C. Stems, trunks, and roots
D. Tendrils and buds
• Correct Answer: C. Stems, trunks, and roots
6. What does "lignify" mean?
A. Leaves begin photosynthesis
B. Grapes begin ripening
C. Green shoots become woody and rigid, forming canes
D. Roots begin absorbing nutrients
• Correct Answer: C. Green shoots become woody and rigid, forming
canes
7. Where do buds form on a grapevine?
A. At the root crown
B. Between the leaf stalk (petiole) and the stem
C. On the tendrils only
D. At the tip of the roots
• Correct Answer: B. Between the leaf stalk (petiole) and the stem
,8. Which type of bud forms in one growing season and breaks open the
following growing season?
A. Prompt bud
B. Adventitious bud
C. Compound bud
D. Dormant bud
• Correct Answer: C. Compound bud
9. Which type of bud forms and opens during the same growing season?
A. Compound bud
B. Prompt bud
C. Primary bud
D. Secondary bud
• Correct Answer: B. Prompt bud
10.What is the primary function of lateral shoots?
A. Produce roots
B. Allow continued growth if the main shoot tip is damaged or eaten
C. Store carbohydrates
D. Increase trunk thickness
• Correct Answer: B. Allow continued growth if the main shoot tip is
damaged or eaten
11.When are lateral shoots considered beneficial?
A. When they grow near the base of the main shoot
B. When they provide additional leaves near the ends of the main shoots
for photosynthesis
C. During dormancy only
D. When they replace the trunk
• Correct Answer: B. When they provide additional leaves near the ends
of the main shoots for photosynthesis
, 12.Why can lateral shoots near the base of the main shoot be undesirable?
A. They reduce root growth
B. They increase grape acidity
C. They impede airflow and excessively shade the fruit
D. They prevent flowering
• Correct Answer: C. They impede airflow and excessively shade the
fruit
13.What is a "second crop" on a grapevine?
A. A second annual harvest from the main shoots
B. Inflorescences produced by lateral shoots
C. Grapes produced after harvest
D. Fruit produced by roots
• Correct Answer: B. Inflorescences produced by lateral shoots
14.What is green harvesting?
A. Harvesting grapes before ripening
B. Removing the second crop during summer
C. Removing leaves during winter
D. Pruning permanent wood after harvest
• Correct Answer: B. Removing the second crop during summer
15.What is one-year-old wood?
A. Wood older than five years
B. The trunk of the vine
C. Main shoots from the previous growing season retained after pruning as
canes or spurs
D. Newly emerged green shoots
• Correct Answer: C. Main shoots from the previous growing season
retained after pruning as canes or spurs
16.What is permanent wood?
A. Leaves that remain year-round
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. What are the most important North American grape species?
A. Vitis vinifera, Vitis amurensis, Vitis rotundifolia, and Vitis aestivalis
B. Vitis labrusca, Vitis riparia, Vitis berlandieri, and Vitis rupestris
C. Vitis cinerea, Vitis palmata, Vitis shuttleworthii, and Vitis monticola
D. Vitis vinifera, Vitis riparia, Vitis amurensis, and Vitis coignetiae
• Correct Answer: B. Vitis labrusca, Vitis riparia, Vitis berlandieri, and
Vitis rupestris
2. What are the four main sections of a grapevine?
A. Leaves, flowers, fruit, and roots
B. Main shoots, one-year-old wood, permanent wood, and roots
C. Trunk, canopy, flowers, and fruit
D. Buds, canes, leaves, and tendrils
• Correct Answer: B. Main shoots, one-year-old wood, permanent
wood, and roots
3. What comprises the canopy of a vine?
A. Only the leaves and fruit clusters
B. The trunk and roots
C. The main shoots and all of their major structures, including stems, buds,
leaves, lateral shoots, tendrils, and inflorescences/grape bunches
D. Only the permanent wood and canes
,• Correct Answer: C. The main shoots and all of their major structures,
including stems, buds, leaves, lateral shoots, tendrils, and
inflorescences/grape bunches
4. When and from where do the main shoots of a vine grow?
A. From roots during winter
B. From compound buds retained from the previous year during spring
C. From lateral shoots during summer
D. From permanent wood during autumn
• Correct Answer: B. From compound buds retained from the previous
year during spring
5. Where are carbohydrates primarily stored in a vine?
A. Leaves only
B. Grapes only
C. Stems, trunks, and roots
D. Tendrils and buds
• Correct Answer: C. Stems, trunks, and roots
6. What does "lignify" mean?
A. Leaves begin photosynthesis
B. Grapes begin ripening
C. Green shoots become woody and rigid, forming canes
D. Roots begin absorbing nutrients
• Correct Answer: C. Green shoots become woody and rigid, forming
canes
7. Where do buds form on a grapevine?
A. At the root crown
B. Between the leaf stalk (petiole) and the stem
C. On the tendrils only
D. At the tip of the roots
• Correct Answer: B. Between the leaf stalk (petiole) and the stem
,8. Which type of bud forms in one growing season and breaks open the
following growing season?
A. Prompt bud
B. Adventitious bud
C. Compound bud
D. Dormant bud
• Correct Answer: C. Compound bud
9. Which type of bud forms and opens during the same growing season?
A. Compound bud
B. Prompt bud
C. Primary bud
D. Secondary bud
• Correct Answer: B. Prompt bud
10.What is the primary function of lateral shoots?
A. Produce roots
B. Allow continued growth if the main shoot tip is damaged or eaten
C. Store carbohydrates
D. Increase trunk thickness
• Correct Answer: B. Allow continued growth if the main shoot tip is
damaged or eaten
11.When are lateral shoots considered beneficial?
A. When they grow near the base of the main shoot
B. When they provide additional leaves near the ends of the main shoots
for photosynthesis
C. During dormancy only
D. When they replace the trunk
• Correct Answer: B. When they provide additional leaves near the ends
of the main shoots for photosynthesis
, 12.Why can lateral shoots near the base of the main shoot be undesirable?
A. They reduce root growth
B. They increase grape acidity
C. They impede airflow and excessively shade the fruit
D. They prevent flowering
• Correct Answer: C. They impede airflow and excessively shade the
fruit
13.What is a "second crop" on a grapevine?
A. A second annual harvest from the main shoots
B. Inflorescences produced by lateral shoots
C. Grapes produced after harvest
D. Fruit produced by roots
• Correct Answer: B. Inflorescences produced by lateral shoots
14.What is green harvesting?
A. Harvesting grapes before ripening
B. Removing the second crop during summer
C. Removing leaves during winter
D. Pruning permanent wood after harvest
• Correct Answer: B. Removing the second crop during summer
15.What is one-year-old wood?
A. Wood older than five years
B. The trunk of the vine
C. Main shoots from the previous growing season retained after pruning as
canes or spurs
D. Newly emerged green shoots
• Correct Answer: C. Main shoots from the previous growing season
retained after pruning as canes or spurs
16.What is permanent wood?
A. Leaves that remain year-round
