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Important Questions

Diseases Cause and Control

ICSE · Class 9 · Biology

Most important questions from Diseases Cause and Control for ICSE Class 9 Biology board exam 2026. MCQs, short answer, and long answer questions with marks.

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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42 Questions·
multiple choicemultiple correcttrue false

Sample Questions

1multiple correct

Which of the following are bacterial diseases?

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Cholera, Typhoid, Tuberculosis

Cholera, typhoid, and tuberculosis are all caused by bacteria. AIDS is caused by a virus (HIV) and malaria is caused by a protozoan (Plasmodium).

2true false

The incubation period is the time between infection and appearance of symptoms.

Show answer

True

Incubation period is correctly defined as the period between the entry of germs into the body and the appearance of the first symptoms of the disease.

3multiple correct

Which of the following are modes of AIDS transmission?

Show answer

Sexual contact, Contaminated blood transfusion, Mother to child transmission

AIDS spreads through sexual contact, contaminated blood, and from infected mother to child. It does not spread through casual contact like shaking hands or eating together.

4true false

Non-communicable diseases cannot spread from person to person.

Show answer

True

Non-communicable diseases are not caused by pathogens and cannot be transmitted from one person to another. Examples include diabetes and heart disease.

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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.
How many important questions are there in Diseases Cause and Control?
There are 42 practice questions available for Diseases Cause and Control. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 19 chapters — ICSE Class 9 Biology Important Questions

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