Skip to main content
Super TutorResources
Chapter 16 of 19
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Syllabus

Diseases Cause and Control

ICSE · Class 9 · Biology

Complete topic list for Diseases Cause and Control in ICSE Class 9 Biology. Key concepts, sub-topics, and what to focus on for board exams.

45 questions25 flashcards5 concepts

Interactive on Super Tutor

Studying Diseases Cause and Control? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for syllabus and more.

Try Super Tutor — Free

1,000+ Class 9 students started this chapter today

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

Learn better with visuals Super Tutor has hundreds of illustrations like this across every chapter — all free to try.

Get started
4 Topics · ICSE Class 9 Biology

Topics in Diseases Cause and Control

1

1. What is Disease and Classification

  • Disease is a departure from normal health through structural or functional disorder of the body
  • World Health Day is celebrated on April 7th
  • Diseases can be classified based on extent of occurrence, communicability, kinds of pathogen, and transmitting agent
2

2. Classification Based on Extent of Occurrence

  • Endemic: Disease found in certain areas affecting fewer people (e.g., goitre in sub-Himalayan regions)
  • Epidemic: Disease spreads rapidly affecting large numbers in same area (e.g., plague in India 1994)
  • Pandemic: Disease widely distributed worldwide (e.g., AIDS)
3

3. Communicable vs Non-Communicable Diseases

  • Non-communicable: No germs involved, cannot spread person to person (diabetes, heart attack, color blindness)
  • Communicable: Caused by germs, can spread from person to person (cholera, malaria, tuberculosis)
  • Communicable diseases have incubation periods
4

4. Bacterial Diseases

  • Cholera: Caused by Vibrio cholerae, affects intestines, spread through contaminated food/water, symptoms include vomiting and loose motions
  • Typhoid: Caused by Salmonella typhi, continuous fever rising in afternoon, spread through contaminated food/milk and flies
  • Tuberculosis: Caused by Mycobacterium tuberculosis, affects lungs primarily, spread through air/sputum, treated with Streptomycin

Key Concepts

Disease is a departure from normalA disease found in a certainA disease that breaks outA disease that is widely distributedDiseases caused by pathogens that can

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?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision 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 Syllabus

For serious students

Get the full Diseases Cause and Control chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for ICSE Class 9 Biology.

Try Super Tutor Free
Try the full chapter — Free