Standard difficulty · 20 questions · 40 marks
Write full answers in Sections B and C. Answers are on the last page — try every question first!
Water Resources · AW-10SS-WRS-2026-V1 · For parents — fold back or tear off before handing the sheet to your child.
| Q | Answer | Working |
|---|---|---|
| 1 | (d) Sutlej (Sutluj)–Beas | — |
| 2 | (a) the Bengal floodplains | — |
| 3 | (d) the Sutlej–Beas | — |
| 4 | (c) community management of groundwater | — |
| 5 | (b) 60,000 litres | 5 × 4 × 3 × 1,000 |
| 6 | (b) 67,500 litres | 150 × 600 × 75% |
| 7 | (c) 13,200 litres | 55 × 8 × 30 |
| 8 | (a) tankas | — |
| 9 | Because of over-use, unequal access, pollution and growing population and industry. | — |
| 10 | (a) Shillong (b) the Western Himalayas | — |
| 11 | 2,607,000 litres; e.g. khadins, johads or tankas | 2,370 × 1,100 |
| 12 | (a) rooftop rainwater harvesting in Karnataka (b) a movement for people displaced by dams | — |
| 13 | 15,052,000 litres | 284 × 53,000 |
| 14 | about 59.9 m3, about 59,856 litres | 4.8 × 4.3 × 2.9 |
| 15 | 230 litres | 23% of 1000 |
| 16 | (a) Bikaner, Phalodi and Barmer (b) the Western Himalayas | — |
| 17 | Guls and kuls in the Western Himalayas, inundation channels in Bengal, khadins and johads in Rajasthan, tankas in houses, and bamboo drip irrigation in Meghalaya. | — |
| 18 | (a) Bikaner, Phalodi and Barmer (b) the Bengal floodplains (c) Meghalaya | — |
| 19 | (a) 72,800 litres (b) 91 days (c) It saves water, recharges groundwater and reduces flooding. | 130 × 700 × 80%; ÷ 800 |
| 20 | (a) 1,107,000 hectares (b) irrigation and electricity (also flood control, water supply) (c) disturbing river flow and sediment, and submerging land and displacing people. | 60% of 1,845,000 |