- 1. Which major Portuguese town is located at the mouth of the Douro River?
A) Lisbon
B) Porto
C) Viseu
D) Bragança
- 2. What type of climate allows for the cultivation of olives, almonds, and grapes in Douro?
A) Tropical climate
B) Mesoclimate
C) Microclimate
D) Macroclimate
- 3. What UNESCO World Heritage Site status does Porto's historic centre hold?
A) Designated as a UNESCO World Heritage Site
B) Removed from UNESCO list
C) Not designated as a UNESCO site
D) Proposed for UNESCO listing
- 4. Which town is close to the Côa Valley Paleolithic Art site?
A) Peso da Régua
B) Foz Côa
C) Lamego
D) Vila Nova de Gaia
- 5. How many dams are located in Spain on the Douro River?
A) Seven
B) Five
C) Ten
D) Three
- 6. Which dam has the highest lock with a maximum lift of 35 meters?
A) Valeira Dam
B) Pocinho Dam
C) Carrapatelo Dam
D) Régua Dam
- 7. What is the maximum length allowed for vessels passing through the Douro's locks?
A) 83 meters
B) 75 meters
C) 90 meters
D) 100 meters
- 8. Which Portuguese district does not have a section of the Douro flowing through it?
A) Viseu
B) Guarda
C) Lisbon
D) Bragança
- 9. What is one reason for building dams on the Douro River?
A) For irrigation purposes only
B) To generate hydroelectric power
C) For flood control in Spain
D) To create artificial lakes
- 10. Which two Portuguese towns are known for being major Douro River towns?
A) Vila Nova de Gaia and Porto
B) Peso da Régua and Lamego
C) Bragança and Viseu
D) Aveiro and Porto
- 11. Which year was the Douro railway line completed?
A) 1887
B) 1878
C) 1905
D) 1923
- 12. What is a common issue caused by unannounced releases of water from upstream Spanish dams?
A) Damage to vineyards
B) Flooding in Porto
C) Navigation issues in the locks
D) Reduced hydroelectric power generation
- 13. Which city is not a populous Douro River city?
A) Porto
B) Valladolid
C) Soria
D) Zamora
- 14. In which country does the Douro River rise?
A) France
B) Italy
C) Portugal
D) Spain
- 15. What is the largest tributary of the Douro River by water volume at their confluence?
A) Paiva
B) Tâmega
C) Esla
D) Sabor
- 16. What type of wine is famously produced in the Douro Valley?
A) Rioja
B) Malaga
C) Port
D) Sherry
- 17. What is the Latin name of the Douro River?
A) Anas
B) Iberus
C) Durius
D) Tagus
- 18. In which century might part of the Douro drainage basin have been depopulated?
A) 8th century
B) 12th century
C) 5th century
D) 10th century
- 19. Who was responsible for the deliberate depopulation of part of the Douro drainage basin?
A) Alfonso I of Asturias
B) King John I of Portugal
C) Philip II of Spain
D) Ferdinand II of León
- 20. What type of boats were used to transport wine down the Douro River?
A) Steamboats
B) Gondolas
C) Barges
D) Rabelos
- 21. What is the name of the convention signed by Portugal and Spain regarding trans-boundary rivers?
A) Albufeira Convention
B) Seville Accord
C) Madrid Agreement
D) Lisbon Treaty
- 22. In which year was the Albufeira Convention signed?
A) 2001
B) 1998
C) 1983
D) 1975
- 23. What is the total length of the Douro River?
A) 650 km
B) 897 km (557 mi)
C) 1,000 km
D) 750 km
- 24. Which country's section of the Douro is naturally navigable by modest rivercraft?
A) Both Spain and Portugal
B) Spain
C) Neither Spain nor Portugal
D) Portugal
- 25. Name one of the most important tributaries of the Douro River in Spain.
A) Miño
B) Tajo
C) Pisuerga
D) Sabor
- 26. Which region is known for its vineyards near Aranda de Duero?
A) Ribera del Duero wine region
B) Douro Valley
C) Alentejo
D) Castilian meseta
- 27. Which natural park is located on the Portuguese side of the Douro River?
A) Peneda-Gerês National Park
B) Serra da Estrela Natural Park
C) Arribes del Duero Natural Park
D) International Douro Natural Park
- 28. How long does the Douro River form part of the border between Spain and Portugal?
A) 150 kilometres
B) 112 kilometres (70 mi)
C) 50 kilometres
D) 200 kilometres
- 29. Which river's confluence marks the point where the Douro fully enters Portuguese territory?
A) Tajo River
B) Miño River
C) Águeda River
D) Ebro River
- 30. What natural feature does the Aldeadávila Dam impound?
A) The Miño River
B) The Tajo River
C) The Douro River
D) The Ebro River
- 31. Which natural park is located on the Zamoran margin of the Douro?
A) Serra da Estrela Natural Park
B) Arribes del Duero Natural Park
C) Peneda-Gerês National Park
D) International Douro Natural Park
- 32. Which river basin borders the Douro to the north?
A) Miño
B) Ebro
C) Tajo
D) Guadiana
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