| 251 | What is the capital of China? | Beijing |
| 252 | What does UNEP mainly focus on? | The global environment |
| 253 | What does UNESCO's World Heritage Convention protect? | Cultural and natural heritage of outstanding universal value |
| 254 | What is the world's largest coral reef system? | Great Barrier Reef |
| 255 | What was the value of world services trade in 2025 according to WTO? | US$9.56 trillion |
| 256 | What does HIV stand for? | Human Immunodeficiency Virus |
| 257 | Which country experienced a Sudan virus disease outbreak in January 2025? | Uganda |
| 258 | Which planet is closest to the Sun? | Mercury |
| 259 | What is the capital of the United States? | Washington, D.C. |
| 260 | What is the capital of Sri Lanka? | Sri Jayawardenepura Kotte |