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Waste Generation and Management

ICSE · Class 9 · Biology

Complete topic list for Waste Generation and Management in ICSE Class 9 Biology. Key concepts, sub-topics, and what to focus on for board exams.

43 questions40 flashcards5 concepts

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An infographic illustrating the five major categories of waste: Domestic, Industrial, Agricultural, Municipal, and E-waste, with examples for each.
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4 Topics · ICSE Class 9 Biology

Topics in Waste Generation and Management

1

1. Major Categories of Waste

  • Waste can be broadly divided into five major categories: domestic, industrial, agricultural, municipal, and e-waste.
  • Domestic waste comes from homes and includes kitchen waste, plastics, glass, rags, and paper.
  • Industrial waste comes from factories, thermal plants, mining operations, cement industries, oil refineries, and construction units.
2

2. Domestic, Industrial, and Agricultural Waste

  • Domestic waste includes kitchen waste such as peelings of vegetables and fruits, shells, stale food, used tea leaves, and leftovers.
  • Domestic waste also includes plastics, broken glass, rags, and paper.
  • Some domestic rag and paper waste is reused or sold to raddiwalas.
3

3. Municipal Waste, Sewage, and Septic Tanks

  • Municipal waste includes household discharge of excreta and kitchen washings, and discharge from public toilets, hospitals, hotels, restaurants, and offices.
  • This waste is carried away through sewers and is called sewage.
  • Municipal sewage is separated into degradable and non-degradable parts.
4

4. e-Waste and Laboratory Wastes

  • e-waste consists of discarded computers, TVs, refrigerators, radios, mobile phones, mobile batteries, fluorescent tubes, electronic toys, medical instruments, and lead-acid batteries.
  • e-waste is mostly generated in large cities, but it is also increasing in smaller cities and towns.
  • e-waste contains harmful substances such as lead, cadmium, and mercury.

Key Concepts

Central concept: Waste Generation and Management

WasteCategories of wasteDomestic wasteIndustrial wasteAgricultural wasteMunicipal wastee-wasteSegregation

Frequently Asked Questions

What are the important topics in Waste Generation and Management for ICSE Class 9 Biology?
Waste Generation and Management covers several key topics that are frequently asked in ICSE Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Waste Generation and Management — ICSE Class 9 Biology?
Understand the core concepts first, then work through the 43 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall 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 Waste Generation and Management

All 19 chapters — ICSE Class 9 Biology Syllabus

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