Consider the following pairs:
| River | Flows into |
|---|---|
| 1. Mekong | Andaman Sea |
| 2. Thames | Irish Sea |
| 3. Volga | Caspian Sea |
| 4. Zambezi | Indian Ocean |
Which of the pairs given above is/are correctly matched?
Detailed Explanation:
Answer: Option 3 — 3 and 4 only
This question tests the knowledge of major world rivers and their drainage systems. Out of the four pairs, only pairs 3 and 4 are correctly matched, while pairs 1 and 2 contain errors regarding the water bodies into which these rivers flow.
❌ Pair 1 – Incorrect: The Mekong River flows into the South China Sea, not the Andaman Sea. It originates in the Tibetan Plateau and passes through China, Myanmar, Laos, Thailand, Cambodia, and Vietnam.
❌ Pair 2 – Incorrect: The Thames River flows into the North Sea, not the Irish Sea. It flows entirely within England.
✅ Pair 3 – Correct: The Volga River, Europe's longest river, originates in Russia and correctly flows into the Caspian Sea.
✅ Pair 4 – Correct: The Zambezi River originates in Zambia and flows through several countries before emptying into the Indian Ocean via Mozambique.
📝 Short Notes: Major World Rivers and Their Drainage
| River | Region/Countries | Drains Into | Special Features |
|---|---|---|---|
| Mekong | Tibet, China, Myanmar, Laos, Thailand, Cambodia, Vietnam | South China Sea | Asia's 7th longest river; vital for Southeast Asian fisheries |
| Thames | England, UK | North Sea | Flows through London; historically significant for British trade |
| Volga | Russia | Caspian Sea | Europe's longest river (3,530 km); major transport route |
| Zambezi | Zambia, Angola, Namibia, Botswana, Zimbabwe, Mozambique | Indian Ocean | Africa's 4th longest; Victoria Falls located on this river |
| Amazon | Peru, Brazil, Colombia | Atlantic Ocean | World's largest river by discharge volume |
| Nile | Uganda, Sudan, Egypt | Mediterranean Sea | World's longest river (disputed with Amazon) |
Question 5 of 5 Major Rivers and Lakes
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