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Syllabus

Disease and Hygiene — Syllabus

ICSE · Class 6 · Biology

What Disease and Hygiene covers in ICSE Class 6 Biology: 4 topics, for the 2026-27 session. Part of the ICSE Class 6 Biology syllabus.

54 questions30 flashcards5 concepts

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4 Topics · ICSE Class 6 Biology · 2026-27

Topics in Disease and Hygiene

1

What is Health and Disease?

  • Health is a state of complete physical, mental, and social well-being, not just the absence of disease.
  • A healthy person has clear skin, bright eyes, good appetite, sound sleep, and regular body functions.
  • Disease means 'dis-ease' — not being at ease. It is a condition where the body does not function normally.
2

Types of Diseases

  • There are two main types of diseases: communicable and non-communicable.
  • Communicable diseases spread from person to person through germs like bacteria, viruses, protozoa, and worms.
  • Non-communicable diseases do not spread and are caused by deficiencies, lifestyle, or genetic factors.
3

Communicable Diseases and Their Spread

  • Caused by pathogens like bacteria, viruses, protozoa, and worms.
  • Spread through air (coughing, sneezing), water, food, insects (mosquitoes, flies), and direct contact.
  • Examples: Cholera (bacteria), Malaria (protozoa), Chicken Pox (virus), Elephantiasis (worms).
4

Non-Communicable Diseases and Deficiencies

  • Caused by lack of nutrients, unhealthy lifestyle, or genetic factors.
  • Deficiency diseases occur due to lack of vitamins or minerals in diet.
  • Examples: Scurvy (Vitamin C), Rickets (Vitamin D), Anaemia (Iron), Goitre (Iodine).

Key Concepts

Central concept: Health and Disease

HealthDiseaseTypes of DiseasesCommunicable DiseasesNon-communicable DiseasesDeficiency DiseasesPathogensModes of Transmission

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Frequently Asked Questions

What are the important topics in Disease and Hygiene for ICSE Class 6 Biology?
Key topics in Disease and Hygiene include What is Health and Disease?, Types of Diseases, Communicable Diseases and Their Spread, Non-Communicable Diseases and Deficiencies. Study these first, then practise questions on each for Class 6 exams.
How should I revise Disease and Hygiene for Class 6 exams?
Learn the core ideas first, then work through the 54 practice questions on Disease and Hygiene. 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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