WSET D1 - Wine Production questions and answers 2026\2027
A+ Grade
Define photosynthesis.
- correct answer Photosynthesis is the process by which green plants use sunlight to produce sugars
from carbon dioxide (CO2) and water.
Leaves are main site of photosynthesis in the vine.
Sugars produced in photosynthesis are used for vine growth and metabolism.
Describe transpiration.
- correct answer As water diffuses out of the the open stomata (tiny pores) on the underside of the
leaves, the process called transpiration draws water and nutrients from the soil up through the vine to
the leaves.
List the requirements of a vine.
- correct answer - sunlight
- water
- CO2
- heat
- nutrients
Name the 4 sections of the structure of the vine.
- correct answer 1. Shoots
2. One-year-old wood
3. Permanent wood
4. Roots
Describe shoots of a vine.
- correct answer Major structures: Buds, leaves, tendeils, lateral shoots, infloresence/grape bunches.
A+ Grade
Define photosynthesis.
- correct answer Photosynthesis is the process by which green plants use sunlight to produce sugars
from carbon dioxide (CO2) and water.
Leaves are main site of photosynthesis in the vine.
Sugars produced in photosynthesis are used for vine growth and metabolism.
Describe transpiration.
- correct answer As water diffuses out of the the open stomata (tiny pores) on the underside of the
leaves, the process called transpiration draws water and nutrients from the soil up through the vine to
the leaves.
List the requirements of a vine.
- correct answer - sunlight
- water
- CO2
- heat
- nutrients
Name the 4 sections of the structure of the vine.
- correct answer 1. Shoots
2. One-year-old wood
3. Permanent wood
4. Roots
Describe shoots of a vine.
- correct answer Major structures: Buds, leaves, tendeils, lateral shoots, infloresence/grape bunches.
