10 boards
| Front | How do minerals occur in sedimentary rocks? |
| Back | In beds or layers, formed as a result of deposition, accumulation, and concentration in horizontal strata |
| Front | Name the most important oil field in Gujarat. |
| Back | Ankeleshwar. |
| Front | What is the main industrial role of Limestone? |
| Back | It is the basic raw material for the cement industry and essential for smelting iron ore in the blast furnace |