- What is the longest river in Trinidad? A) Caroni River
B) Ortoire River
C) Rio Claro River
D) Cunupia River
Answer: A) Caroni River - Which river flows through the capital city of Port of Spain? A) Caroni River
B) Maraval River
C) Diego Martin River
D) Oropuche River
Answer: B) Maraval River - The Ortoire River is located in which part of Trinidad? A) Northern
B) Southern
C) Eastern
D) Western
Answer: C) Eastern - What is a significant use of the Caroni River? A) Hydropower
B) Agriculture
C) Flood control
D) Fishing
Answer: C) Flood control - Which river is known for its scenic landscapes and biodiversity? A) Oropuche River
B) San Juan River
C) Caroni River
D) Cunupia River
Answer: C) Caroni River - Which river is the main source of drinking water for Trinidad? A) Ortoire River
B) Caroni River
C) Rio Claro River
D) Cunaripo River
Answer: B) Caroni River - The Diego Martin River is primarily known for what? A) Agriculture
B) Flooding
C) Tourism
D) Industrial use
Answer: B) Flooding - Which river is located in Tobago? A) Caroni River
B) Courland River
C) Ortoire River
D) San Juan River
Answer: B) Courland River - What is the primary environmental concern for rivers in Trinidad and Tobago? A) Deforestation
B) Pollution
C) Erosion
D) Water scarcity
Answer: B) Pollution - Which river is important for fishing activities in Trinidad? A) Caroni River
B) Oropuche River
C) Ortoire River
D) Cunupia River
Answer: A) Caroni River - What type of fish is commonly found in Trinidadian rivers? A) Trout
B) Catfish
C) Salmon
D) Tilapia
Answer: B) Catfish - The Cunupia River flows into which larger body of water? A) Gulf of Paria
B) Atlantic Ocean
C) Caribbean Sea
D) Trinidad Bay
Answer: A) Gulf of Paria - Which river is famous for its unique mangrove ecosystems? A) Oropuche River
B) Caroni River
C) Ortoire River
D) Maraval River
Answer: B) Caroni River - What is the primary source of water for the Ortoire River? A) Rainfall
B) Groundwater
C) Springs
D) Rivers
Answer: A) Rainfall - The San Juan River is significant for what reason? A) Historical landmarks
B) Tourism
C) Industrial activities
D) Flood management
Answer: D) Flood management - Which river is associated with the Oropuche Lagoon? A) Caroni River
B) Ortoire River
C) Oropuche River
D) Courland River
Answer: C) Oropuche River - What is the main tributary of the Caroni River? A) Ortoire River
B) San Juan River
C) Cunupia River
D) Maraval River
Answer: C) Cunupia River - Which river is known for its recreational activities, such as kayaking? A) Oropuche River
B) Caroni River
C) Rio Claro River
D) Ortoire River
Answer: A) Oropuche River - What type of terrain do most rivers in Trinidad and Tobago flow through? A) Urban areas
B) Forests
C) Agricultural land
D) Coastal plains
Answer: D) Coastal plains - Which river serves as a critical drainage system for Port of Spain? A) Caroni River
B) Maraval River
C) San Juan River
D) Diego Martin River
Answer: B) Maraval River - Which river is important for local agriculture, providing irrigation? A) Ortoire River
B) Caroni River
C) Oropuche River
D) Cunupia River
Answer: B) Caroni River - The Rio Claro River is located in which region of Trinidad? A) Northern
B) Southern
C) Eastern
D) Central
Answer: B) Southern - What is the average length of most rivers in Trinidad and Tobago? A) 10-20 km
B) 20-50 km
C) 50-100 km
D) 100-150 km
Answer: B) 20-50 km - Which river is known for having an annual fishing tournament? A) Caroni River
B) Oropuche River
C) Ortoire River
D) Cunupia River
Answer: A) Caroni River - What is a common recreational use of the Courland River in Tobago? A) Swimming
B) Boating
C) Fishing
D) All of the above
Answer: D) All of the above - Which river is known for its biodiversity, including various bird species? A) Caroni River
B) Ortoire River
C) Oropuche River
D) San Juan River
Answer: A) Caroni River - Which river’s watershed is vital for local communities? A) Diego Martin River
B) Cunupia River
C) Oropuche River
D) Maraval River
Answer: C) Oropuche River - What role do rivers play in T&T’s economy? A) Transportation
B) Fishing
C) Agriculture
D) All of the above
Answer: D) All of the above - The Oropuche River is important for which local festival? A) Carnival
B) Fishermen’s Day
C) Diwali
D) Eid
Answer: B) Fishermen’s Day - Which river is affected by urban development and pollution? A) Caroni River
B) Courland River
C) Ortoire River
D) Rio Claro River
Answer: A) Caroni River
| River Name | Length | Location | Mouth | Significance |
| Caroni River | ~35 km | Trinidad | Gulf of Paria | Major source of water; flood control; significant for agriculture. |
| Ortoire River | ~30 km | Eastern Trinidad | Atlantic Ocean | Important for fishing; contributes to local ecosystems. |
| Maraval River | ~12 km | Northern Trinidad | Gulf of Paria | Flows through Port of Spain; important for drainage and flood management. |
| Cunupia River | ~20 km | Central Trinidad | Gulf of Paria | A tributary of the Caroni; supports agriculture. |
| Diego Martin River | ~10 km | Northern Trinidad | Gulf of Paria | Known for flooding; key drainage for surrounding areas. |
| San Juan River | ~15 km | Northern Trinidad | Gulf of Paria | Important for local agriculture and flood management. |
| Oropuche River | ~12 km | South Trinidad | Oropuche Lagoon | Known for biodiversity; recreational activities such as kayaking. |
| Rio Claro River | ~25 km | Southern Trinidad | Gulf of Paria | Important for agriculture; flows through rural areas. |
| Courland River | ~10 km | Tobago | Caribbean Sea | Supports local ecosystems; used for fishing and recreation. |