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Food, Shelter & Water — 25-Question Test
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Key Concepts — Quick Reference
This chapter
Nutrients and their deficiency diseases (memorise cold)
| Carbohydrates | Energy food - rice, wheat, potato, sugar |
|---|---|
| Proteins | Body-building - pulses, eggs, milk, fish, meat; lack -> kwashiorkor/marasmus |
| Vitamin A | Carrot, papaya, green veg; lack -> night blindness |
| Vitamin C | Amla, citrus, guava; lack -> scurvy |
| Vitamin D | Sunlight, milk; lack -> rickets (weak bones) |
| Iron | Green leafy veg, jaggery; lack -> anaemia |
| Iodine | Iodised salt, seafood; lack -> goitre |
Shelter and water at a glance
| Kutcha house | Mud, straw, bamboo, thatch - temporary |
|---|---|
| Pucca house | Brick, cement, concrete, stone - permanent |
| Water sources | Rain, river, pond, lake, well, spring, sea (salty) |
| Water cycle | Evaporation -> condensation -> precipitation -> collection |
| Rainwater harvesting | Collect & store rain to recharge groundwater |