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Environmental Life Style

Maharashtra Board · Class 10 · Water Security

Complete topic list for Environmental Life Style in Maharashtra Board Class 10 Water Security. Key concepts, sub-topics, and what to focus on for board exams.

42 flashcards5 concepts

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4 Topics · Maharashtra Board Class 10 Water Security

Topics in Environmental Life Style

1

1. Earth Overshoot Day and the pressure on nature

  • Earth Overshoot Day means the day when human consumption of natural resources for the year exceeds what nature can regenerate in that year.
  • The Earth Overshoot Day for 2019 was 27 July 2019.
  • This shows that resources created in 2019 were finished by 27 July 2019 only.
2

2. Daily habits that pollute water

  • Toothpaste used for brushing contains phosphate, carbonate, fragrance and multi-colour chemicals amounting to 2-5 grams.
  • Shaving uses up to 2-5 grams of sulphate, carbonate, stearic acid, ethanol, amine, fragrance chemicals.
  • Soap used while bathing contains 6-10 grams of edible oils, aromatic chemicals, dyes, sulphates, carbonates, sodium, detergents.
3

3. Household wastewater and water saving calculations

  • The amount of wastewater generated after use is more than 75-80% of the water used.
  • If this wastewater is purified, that much water can be recovered for reuse.
  • A housing society of 100 flats with 5 people each using 20 litres for bathing needs 10,000 litres per day for bathing water.
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4. Sewage, treatment plants, and the correct treatment method

  • Domestic sewage comes from bathroom, kitchen sinks, toilets, and wash basins.
  • Domestic sewage has mild pollutants such as drainage dirt, rotten food, vegetables, and soap foam with negligible chemicals or metal.
  • Factory sewage contains chemicals, metal particles, machine oils, and lubricants, so it has heavier pollution.

Key Concepts

Central concept: Water Quality and Environmental Life Style

Earth Overshoot DayDaily habits that pollute waterTypes of waterWastewater generationReuse of wastewaterSewage treatment plantsWater conservation examplesIndustrial and civic reuse projects

Frequently Asked Questions

What are the important topics in Environmental Life Style for Maharashtra Board Class 10 Water Security?
Environmental Life Style covers several key topics that are frequently asked in Maharashtra Board Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Environmental Life Style — Maharashtra Board Class 10 Water Security?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Environmental Life Style

All 12 chapters — Maharashtra Board Class 10 Water Security Syllabus

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