WSET Diploma D1 / WSET Diplo
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ma D1 QUESTIONS AND CORR
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ECT DETAILED ANSWERS WIT
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H RATIONALES(VERIFIED ANS
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WERS)
|ALREADY GRADED A+
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,Most important North American grape species -
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MCORRECT ANSWER- M
Vitis labrusca, Vitis riparia, Vitis berlandieri and Vitis rupe
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stris
Four main sections of a grape vine - CORRECT ANSWER-
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the main shoots, one-year-
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old wood, permanent wood and the roots
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What comprises the canopy of a vine? - CORRECT ANSWER-
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The main shoots and all of their major structures -
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stem, buds, leaves, lateral shoots, tendrils and inflorescenc
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es/grape bunches M
What do the main shoots grow from, and when? -
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MCORRECT ANSWER- M
The main shoots on the vine grow in spring from buds retai
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ned from the previous year
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Where are carbohydrates stored in a vine? -
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CORRECT ANSWER-Stems, trunks, roots
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Define lignify - CORRECT ANSWER-
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Green shoots become woody and rigid, they are then called
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canes
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,Where do buds form? - CORRECT ANSWER-
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between the leafstalk (petiole) and the stem
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, Define the two types of buds - CORRECT ANSWER--
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MCompound buds (form in one growing season and break op
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en the following growing season, producing main shoots; typ
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ically a primary, secondary, and maybe tertiary)-
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MPromptbuds (form and break open same season, form later
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al shoots)
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- Prompt buds (form and break open same season, for
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mlateral shoots)
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What is the main function of lateral shoots? When are theyd
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esirable/undesirable? - CORRECT ANSWER-- M M M
Mto allow theplant to carry on growing if the tip of the main
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shoot has been damaged or eaten
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- can provide an additional source of leaves for photosynthe
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sis (useful if the laterals are near the ends of themain shoots
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)
What is second crop? - CORRECT ANSWER-
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Lateral shoots often produce inflorescences, which can be k
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nown as a 'second crop'
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- Growth of laterals nearer the base of the main shoot can b
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eundesirable as they impede air flow and can shade the frui
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t too much
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M M M M M
ma D1 QUESTIONS AND CORR
M M M M
ECT DETAILED ANSWERS WIT
M M M
H RATIONALES(VERIFIED ANS
M M M
WERS)
|ALREADY GRADED A+
M M
,Most important North American grape species -
M M M M M M
MCORRECT ANSWER- M
Vitis labrusca, Vitis riparia, Vitis berlandieri and Vitis rupe
M M M M M M M M
stris
Four main sections of a grape vine - CORRECT ANSWER-
M M M M M M M M M
the main shoots, one-year-
M M M
old wood, permanent wood and the roots
M M M M M M
What comprises the canopy of a vine? - CORRECT ANSWER-
M M M M M M M M M
The main shoots and all of their major structures -
M M M M M M M M M M
stem, buds, leaves, lateral shoots, tendrils and inflorescenc
M M M M M M M M
es/grape bunches M
What do the main shoots grow from, and when? -
M M M M M M M M M
MCORRECT ANSWER- M
The main shoots on the vine grow in spring from buds retai
M M M M M M M M M M M
ned from the previous year
M M M M
Where are carbohydrates stored in a vine? -
M M M M M M M
CORRECT ANSWER-Stems, trunks, roots
M M M M
Define lignify - CORRECT ANSWER-
M M M M
Green shoots become woody and rigid, they are then called
M M M M M M M M M
canes
M
,Where do buds form? - CORRECT ANSWER-
M M M M M M
between the leafstalk (petiole) and the stem
M M M M M M M
, Define the two types of buds - CORRECT ANSWER--
M M M M M M M M
MCompound buds (form in one growing season and break op
M M M M M M M M M
en the following growing season, producing main shoots; typ
M M M M M M M M
ically a primary, secondary, and maybe tertiary)-
M M M M M M
MPromptbuds (form and break open same season, form later
M M M M M M M M M
al shoots)
M
- Prompt buds (form and break open same season, for
M M M M M M M M
mlateral shoots)
M M
What is the main function of lateral shoots? When are theyd
M M M M M M M M M M M
esirable/undesirable? - CORRECT ANSWER-- M M M
Mto allow theplant to carry on growing if the tip of the main
M M M M M M M M M M M M M M
shoot has been damaged or eaten
M M M M M
- can provide an additional source of leaves for photosynthe
M M M M M M M M
sis (useful if the laterals are near the ends of themain shoots
M M M M M M M M M M M M
)
What is second crop? - CORRECT ANSWER-
M M M M M M
Lateral shoots often produce inflorescences, which can be k
M M M M M M M M
nown as a 'second crop'
M M M M
- Growth of laterals nearer the base of the main shoot can b
M M M M M M M M M M M
eundesirable as they impede air flow and can shade the frui
M M M M M M M M M M M
t too much
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