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Chapter 7 of 19
Syllabus

Structural Organisation in Animals

CBSE · Class 11 · Biology

Complete topic list for Structural Organisation in Animals in CBSE Class 11 Biology. Key concepts, sub-topics, and what to focus on for board exams.

107 questions84 flashcards5 concepts

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4 Topics · CBSE Class 11 Biology

Topics in Structural Organisation in Animals

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1. Levels of Organisation

  • Hydra is made of different types of cells and is used as a simple example before tissue organisation.
  • A tissue is a group of similar cells along with intercellular substances that performs a specific function.
  • All complex animals have four basic types of tissues.
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2. Frog: General Features and Morphology

  • Frog belongs to class Amphibia of phylum Chordata.
  • Rana tigrina is the most common frog species in India.
  • Frog is cold blooded or poikilotherm.
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3. Digestive System

  • Frog is a carnivore with a short alimentary canal.
  • Food is captured by the bilobed tongue.
  • The alimentary canal includes buccal cavity, oesophagus, stomach, intestine, rectum and cloaca.
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4. Respiration

  • Frogs respire in water and on land by different methods.
  • In water, skin acts as an aquatic respiratory organ by diffusion; this is cutaneous respiration.
  • On land, buccal cavity, skin and lungs act as respiratory organs.

Key Concepts

Central concept: Organisation of cells into tissues, organs, and organ systems in animals, with frog as a model organism

Cellular organisationTissueOrganOrgan systemFrog as model animalMorphology of frogAnatomy of frogDigestive system

Frequently Asked Questions

What are the important topics in Structural Organisation in Animals for CBSE Class 11 Biology?
Structural Organisation in Animals 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 Structural Organisation in Animals — CBSE Class 11 Biology?
Understand the core concepts first, then work through the 107 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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