| Question | Which region of North Bengal is made up of sand, gravels and pebbles? | |
| Type | multiple_choice | |
| Option | Duars | incorrect |
| Option | Terai | correct |
| Option | Rarh | incorrect |
| Option | Barind | incorrect |
| Solution | The Terai region of North Bengal comprises sand, gravels, and pebbles deposited by Himalayan rivers such as Teesta, Torsa, Raidak, Jaldhaka, and various smaller rivulets. | |
