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Syllabus

The Living World — Syllabus

ICSE · Class 11 · Biology

What The Living World covers in ICSE Class 11 Biology: 4 topics, for the 2026-27 session. Part of the ICSE Class 11 Biology syllabus.

103 questions40 flashcards5 concepts

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An infographic illustrating the key characteristics of living organisms (growth, reproduction, metabolism, cellular organization, consciousness) and clearly distinguishing between defining and non-def
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4 Topics · ICSE Class 11 Biology · 2026-27

Topics in The Living World

1

1. Nature of Living Organisms

  • Living organisms are self-replicating, evolving and self-regulating interactive systems capable of responding to external stimuli.
  • Living substance is made of macromolecules such as proteins, lipids, nucleic acids and polysaccharides, along with smaller organic and inorganic molecules.
  • All living forms show certain characteristics, but not every characteristic is defining for all living beings.
2

2. Classification, Taxonomy and Systematics

  • Classification groups living organisms into identifiable groups or categories based on observable characters.
  • Taxa is the scientific term for categories used in classification.
  • Classification helps organize the huge diversity of plants and animals, makes identification easier, shows evolutionary relationships, helps interpret fossils, and allows comparison of unknown organis
3

3. Concept of Species

  • Species is a natural population of individuals which resemble one another in all essential morphological and reproductive characters.
  • Members of a species can interbreed freely and produce fertile offspring.
  • Species are the basic units of classification.
4

4. Binomial Nomenclature

  • The binomial system of nomenclature was first introduced in 1753 by Carl von Linne, known as Linnaeus, in Systema Naturae.
  • A scientific name has two Latin or Latinised words: the first is the generic name and the second is the specific epithet.
  • The generic name begins with a capital letter; the specific epithet begins with a lowercase letter.

Key Concepts

Central concept: The Living World

BiologyLiving organismCharacteristics of lifeClassificationTaxonomySystematicsSpeciesBinomial nomenclature

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Frequently Asked Questions

What are the important topics in The Living World for ICSE Class 11 Biology?
Key topics in The Living World include Nature of Living Organisms, Classification, Taxonomy and Systematics, Concept of Species, Binomial Nomenclature. Study these first, then practise questions on each for Class 11 exams.
How should I revise The Living World for Class 11 exams?
Learn the core ideas first, then work through the 103 practice questions on The Living World. 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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