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. | Vitamin A | a. Rickets |
| 2. | Vitamin B | b. Night blindness |
| 3. | Vitamin C | c. Sterility |
| 4. | Vitamin D | d. Beri beri |
| 5. | Vitamin E | e. Scurvy |

| 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 |
| Srl. no. | A | B | C |
| i | Separation of visible undesirable components | Water mixed with chalk powder | Magnetic Separation |
| ii | Separation of heavier and lighter components | Sand and water | Decantation |
| iii | Separation of insoluble impurities | Iron impurities | Filtration |
| iv | Separation of magnetic components from non-magnetic components | Rice and stone | Hand-picking |
| v | Separation of solids from liquids | Husk and paddy | Winnowing |
| 1. | ![]() |
a. Circular motion |
| 2. | ![]() |
b. Oscillatory motion |
| 3. | ![]() |
c. Linear motion |
| 4. | ![]() |
d. Rotatory motion |
| 5. | ![]() |
e. Linear and rotatory motion |
