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Disease and Hygiene

ICSE · Class 6 · Biology

Complete topic list for Disease and Hygiene in ICSE Class 6 Biology. Key concepts, sub-topics, and what to focus on for board exams.

54 questions30 flashcards5 concepts

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4 Topics · ICSE Class 6 Biology

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

Frequently Asked Questions

What are the important topics in Disease and Hygiene for ICSE Class 6 Biology?
Disease and Hygiene covers several key topics that are frequently asked in ICSE Class 6 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Disease and Hygiene — ICSE Class 6 Biology?
Understand the core concepts first, then work through the 54 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 Disease and Hygiene

All 8 chapters — ICSE Class 6 Biology Syllabus

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