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Syllabus

Aids to Health — Syllabus

ICSE · Class 9 · Biology

What Aids to Health covers in ICSE Class 9 Biology: 4 topics, for the 2026-27 session. Part of the ICSE Class 9 Biology syllabus.

43 questions38 flashcards5 concepts

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A comparison chart highlighting the differences between active and passive immunity in terms of antibody production, onset of relief, side effects, and duration.
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4 Topics · ICSE Class 9 Biology · 2026-27

Topics in Aids to Health

1

1. Need to Keep Healthy and Immunity

  • Health depends on personal care and community hygiene.
  • Personal care includes washing, bathing, brushing teeth, regular physical exercise, proper diet, proper rest, and sleep.
  • Community cleanliness is important because garbage and stagnant water help disease-spreading insects and pests to thrive.
2

2. Types of Immunity

  • Immunity is classified into innate immunity and acquired immunity.
  • Innate immunity is also called natural or native immunity.
  • Innate immunity is present without any external stimulation or previous infection.
3

3. Antibodies, Antigens, and Antitoxins

  • Antibodies are special proteins found in blood and body fluids that react with invading germs.
  • Antibodies belong to the class of immunoglobulins.
  • Antibodies are produced by specialised lymphocytes when antigens enter the body.
4

4. Vaccination and Immunisation

  • Vaccination is the practice of artificially introducing germs or germ substance into the body to develop resistance to particular diseases.
  • Vaccination is the introduction of dead or weakened germs into the body of a living being to develop immunity against the respective disease or diseases.
  • Immunisation means developing resistance to disease-producing germs or their toxins by introducing killed germs or germ substance to induce specific antibody production.

Key Concepts

Central concept: Protection of the body from disease through immunity, vaccination, serum therapy, antiseptics, disinfectants, and antibiotics

Need to keep healthyWorld Health DayImmunityEntry of germs and pollutantsLocal defence systemInnate immunityAcquired immunityAntibodies

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Frequently Asked Questions

What are the important topics in Aids to Health for ICSE Class 9 Biology?
Key topics in Aids to Health include Need to Keep Healthy and Immunity, Types of Immunity, Antibodies, Antigens, and Antitoxins, Vaccination and Immunisation. Study these first, then practise questions on each for Class 9 exams.
How should I revise Aids to Health for Class 9 exams?
Learn the core ideas first, then work through the 43 practice questions on Aids to Health. 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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All ICSE Class 9 Biology Syllabus

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