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Syllabus

Environmental Health and Disease Prevention — Syllabus

ICSE · Class 11 · Environmental Science

What Environmental Health and Disease Prevention covers in ICSE Class 11 Environmental Science: 4 topics, for the 2026-27 session.

64 questions40 flashcards5 concepts

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4 Topics · ICSE Class 11 Environmental Science · 2026-27

Topics in Environmental Health and Disease Prevention

1

Health and Environment

  • Health has three dimensions: physical, mental, and social.
  • A healthy environment supports good health through clean air, safe drinking water, nutritious food, and hygienic surroundings.
  • Polluted air, contaminated water, poor sanitation, and waste accumulation increase disease risk.
2

Communicable Diseases

  • Communicable diseases spread from one person to another through pathogens.
  • They are caused by microorganisms such as bacteria, viruses, protozoa, or parasites.
  • Examples include cholera, malaria, tuberculosis, and dengue.
3

Malaria

  • Malaria is caused by Plasmodium, a protozoan parasite.
  • In humans, malaria is caused by four Plasmodium species: P. falciparum, P. malariae, P. ovale, and P. vivax.
  • It is transmitted through the bite of infected female Anopheles mosquitoes.
4

Enteric Diseases and Safe Water

  • Enteric diseases are infections of the intestinal tract spread through contaminated food and water.
  • Cholera, typhoid, and dysentery are examples of enteric diseases.
  • Poor sanitation, open defecation, and poorly managed sewage contaminate water sources.

Key Concepts

Central concept: Health and disease prevention as outcomes of the relationship between environment, lifestyle, sanitation, nutrition, and healthcare systems

HealthEnvironmentDisease indicatorsCommunicable diseasesNon-communicable diseasesDeficiency diseasesHygieneSanitation

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Frequently Asked Questions

What are the important topics in Environmental Health and Disease Prevention for ICSE Class 11 Environmental Science?
Key topics in Environmental Health and Disease Prevention include Health and Environment, Communicable Diseases, Malaria, Enteric Diseases and Safe Water. Study these first, then practise questions on each for Class 11 exams.
How should I revise Environmental Health and Disease Prevention for Class 11 exams?
Learn the core ideas first, then work through the 64 practice questions on Environmental Health and Disease Prevention. 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 11 Environmental Science Syllabus

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