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The Living World

CBSE · Class 11 · Biology

Complete topic list for The Living World in CBSE Class 11 Biology. Key concepts, sub-topics, and what to focus on for board exams.

153 questions76 flashcards5 concepts

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4 Topics · CBSE Class 11 Biology

Topics in The Living World

1

Diversity in the Living World

  • Living organisms occur in a huge variety of forms and habitats.
  • Each different kind of plant, animal, or organism is a species.
  • The number of known and described species ranges between 1.7 and 1.8 million.
2

Nomenclature and Binomial Nomenclature

  • Nomenclature is the standardisation of naming living organisms.
  • Scientific naming gives each organism only one universal name.
  • Plants are named under ICBN, and animals under ICZN.
3

Classification and Taxonomy

  • Classification groups organisms into convenient categories based on observable characters.
  • Taxa are the categories used in classification.
  • Taxonomic hierarchy is the ordered arrangement of categories from species to kingdom.
4

Taxonomic Categories: Species to Kingdom

  • Species is the lowest taxonomic category for both plant and animal kingdoms.
  • Genus is a group of related species with more characters in common than species of other genera.
  • Family is a group of related genera with fewer similarities than genus.

Key Concepts

Central concept: The Living World

Diversity in living worldNeed for namingIdentificationTaxonomySystematicsBinomial nomenclatureRules of biological namingInternational codes

Frequently Asked Questions

What are the important topics in The Living World for CBSE Class 11 Biology?
The Living World covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in The Living World — CBSE Class 11 Biology?
Understand the core concepts first, then work through the 153 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.

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All 19 chapters — CBSE Class 11 Biology Syllabus

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