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Chapter Summary

Diseases Cause and Control

ICSE · Class 9 · Biology

Summary of Diseases Cause and Control for ICSE Class 9 Biology. Key concepts, important points, and chapter overview.

42 questions42 flashcards5 concepts

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An infographic illustrating the four categories of diseases based on their extent of occurrence: Endemic, Epidemic, Pandemic, and Sporadic, with examples for each.
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Overview

Disease is a departure from normal health through structural or functional disorder of the body. Diseases are caused by germs or by poor functioning of the body, and they can be grouped by their spread, cause, and mode of transmission. Some diseases spread through food, water, air, contact, blood, o

Key Concepts

Disease is a condition in

Disease is a condition in which the normal functioning of the body is disturbed. It may be mild and temporary or serious and even fatal.

Incubation period is the period between

Incubation period is the period between the entry of germs and the appearance of the first symptoms of the disease. It may range from a few hours to m

Communicable or infectious diseases are caused

Communicable or infectious diseases are caused by pathogens and can spread from one person to another. Non-communicable or non-infectious diseases do

Endemic diseases are found in

Endemic diseases are found in a certain area, epidemic diseases spread rapidly in many places at the same time, pandemic diseases spread worldwide, an

Cholera

Cholera, typhoid, and tuberculosis are bacterial diseases. Cholera attacks the intestinal tract, typhoid attacks the intestines, and tuberculosis usua

Learning Objectives

  • Understand the meaning of disease and incubation period
  • Classify diseases as communicable and non-communicable
  • Recognize endemic, epidemic, pandemic, and sporadic diseases
  • Identify major bacterial, protozoan, helminthic, and viral diseases
  • Learn common modes of transmission and prevention

Frequently Asked Questions

What are the important topics in Diseases Cause and Control for ICSE Class 9 Biology?
Diseases Cause and Control 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 Diseases Cause and Control — ICSE Class 9 Biology?
Understand the core concepts first, then work through the 42 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 Diseases Cause and Control

All 19 chapters — ICSE Class 9 Biology Chapter Summary

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