CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
When would unwanted second crop be removed? - CORRECT
ANSWER During growing season during green harvesting
Why would second crop be removed? - CORRECT ANSWER
Enhance ripening process
Improve uniform ripeness of remaining bunches
What is the purpose of tendrils - CORRECT ANSWER To
support the shoot
What is the purpose of leaves - CORRECT ANSWER main
photosynthetic organ
What does photosynthesis produce? - CORRECT ANSWER
Sugars
,What are the sugars produced in photosynthesis used for? -
CORRECT ANSWER Vine growth and metabolism
What is the name for the pores on the underside of leaves? -
CORRECT ANSWER Stomata
What happens during photosynthesis? - CORRECT ANSWER
Water diffuses out the stomata and carbon dioxide enters
What is transpiration - CORRECT ANSWER Water and
nutrients are drawn up from the soil through the vine to the leaves
What does the stomata do if the vine is water stressed? - CORRECT
ANSWER Partially close
What is the impact of partially closing stomata? - CORRECT
ANSWER Conserve water
Prevents CO2 from entering the vine for photosynthesis
How many inflorescense on each shoot - CORRECT ANSWER
1 to 3 depending on the varietal
What is the inflorescense on the vine - CORRECT ANSWER
Cluster of flowers on a stem that turn into a bunch of grapes at fruit
set
What is a bunch of grapes? - CORRECT ANSWER Fertilized
inflorescence
Are tight or loose bunches more prone to fungal disease - CORRECT
ANSWER Tight bunches
,A grape is a type of......... - CORRECT ANSWER Berry
A grape is made up of what 3 things? - CORRECT ANSWER
Skin
Pulp
Seeds
The majority of a grape's weight and volume is the..... - CORRECT
ANSWER Pulp
7 Components of the grape? - CORRECT ANSWER Water
Sugar
Acids
Color
Tannin
Aroma compounds
Aroma precursors
The pulp of most grapes is what color? - CORRECT ANSWER
Colorless
The pulp of what varieties is not colorless? - CORRECT
ANSWER Teinturier varieties
What is the pulp color of Teinturier varities - CORRECT
ANSWER Red-colored
What is an example of a Teinturier variety - CORRECT ANSWER
Alicante Bouschet
What is contained in the skin of a grape (4)? - CORRECT
ANSWER Aroma compounds
Aroma precursors
, Tannins
Color compounds
What is found in higher levels in the skin of a black grape than white
grape? - CORRECT ANSWER Tannin
Color compounds
What is found in the seed of grapes (3)? - CORRECT ANSWER
Oils
Tannins
Embryo
What happens as seeds mature inside the grape? - CORRECT
ANSWER Turn yellow to dark brown
What is the "bloom" on a grape? - CORRECT ANSWER
Powdery waxy coating on the surface
What is the one-year-old wood on a vine? - CORRECT ANSWER
Main shoots from the last growing season
What determines the amount of one-year-old wood? - CORRECT
ANSWER Pruning and training decisions by the grape grower
What role does one-year-old wood have for the next vintage -
CORRECT ANSWER Supports compound buds that will
become main shoots
What can one-year-old wood be classified? - CORRECT ANSWER
Cane or Spur depending on how the vine is pruned
What is permanent wood? - CORRECT ANSWER Wood that is
more than 1 year old. This is restricted by Pruning.