Question


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| 1. | Biotic factor | Terrestrial Ecosystem |
| 2. | Sewage | Land pollution |
| 3. | Fertilizers | Air pollution |
| 4. | Desert | Water Pollution |
| 5. | Smoke | Animals |

| 1. | Fibre yielding plant | Chloramine |
| 2. | Hardwood | Spice |
| 3. | Neem | Hemp |
| 4. | Clove | Cereals |
| 5. | Millet | Teakwood |
| 1. | Soap | $C_6 H_5 OH$ |
| 2. | Cement | $CaSO_4 \cdot 2 H_2 O$ |
| 3. | Fertilizers | NaOH |
| 4. | Gypsum | RCC |
| 5. | Phenol | NPK |
| sl.no. | Symbol | Description |
| 1. | ![]() |
open key |
| 2. | ![]() |
cell |
| 3. | open |
bulb glows |
| 4. | ![]() |
battery |
| 5. | ![]() |
bulb does not glow |
| 1. 1000 gm | a) | 1 kilo meter |
| 2. 1000 milligram | b) | 1 ton |
| 3. 1000 kilogram | c) | 1 gram |
| 4. 1000 metre | d) | 1 kilogram |
| 1. | Mountain | Monocot |
| 2. | Desert | Branches |
| 3. | Stem | Dry place |
| 4. | Photosynthesis | Himalayas |
| 5. | Fibrous root | Leaves |
| 1. | MAC OS | Free and Open-source Software |
| 2. | Software | Paid and Proprietary Software |
| 3. | Hardware | Input Device |
| 4. | Keyboard | RAM |
| 5. | LINUX | Geogebra |
| 1. | Flood | Lake |
| 2. | Surface water | Evaporation |
| 3. | Sunlight | Water vapour |
| 4. | Cloud | Pole |
| 5. | Frozen water | Increased rainfall |
