Wine Region Guide
•
Grape Guide
•
Wine Reviews
•
Map
WineSaint
Resources
•
Education
•
François
AI
•
Search
Open menu
← Exit
1 / 15
Question 1
How does a grapevine respond biologically to increased UV exposure at high altitude?
A
It concentrates protective phenolic compounds, primarily anthocyanins and tannins, in the skin
B
It thins its skin to allow UV to pass through without absorption
C
It reduces sugar accumulation to compensate for UV stress
D
It produces more seeds per berry as a defense mechanism
Submit