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Syllabus

Waste Generation and Management — Syllabus

ICSE · Class 9 · Biology

What Waste Generation and Management covers in ICSE Class 9 Biology: 4 topics, for the 2026-27 session. Part of the ICSE Class 9 Biology syllabus.

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 · 2026-27

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

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Frequently Asked Questions

What are the important topics in Waste Generation and Management for ICSE Class 9 Biology?
Key topics in Waste Generation and Management include Major Categories of Waste, Domestic, Industrial, and Agricultural Waste, Municipal Waste, Sewage, and Septic Tanks, e-Waste and Laboratory Wastes. Study these first, then practise questions on each for Class 9 exams.
How should I revise Waste Generation and Management for Class 9 exams?
Learn the core ideas first, then work through the 43 practice questions on Waste Generation and Management. Revise 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.

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All ICSE Class 9 Biology Syllabus

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