Animal Kingdom — Chapter Summary
CBSE · Class 11 · Biology
Summary of Animal Kingdom for CBSE Class 11 Biology. Key concepts: Sponges show cellular level, Sponges are mostly and Diploblastic animals have.
Interactive on Super Tutor
Studying Animal Kingdom? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for chapter summary and more.
Free trial, no card needed.
Overview
Animal classification is based on fundamental features such as level of organisation, symmetry, body cavity, segmentation, and the presence or absence of a notochord. More than a million animal species have been described, so a clear classification system is necessary to understand body plans, compa
Key Concepts
Sponges show cellular level of organisation
Sponges show cellular level of organisation. Coelenterates show tissue level. Platyhelminthes and higher phyla show organ level, while annelids, arthr
Sponges are mostly asymmetrical
Sponges are mostly asymmetrical. Coelenterates, ctenophores, and echinoderms show radial symmetry in basic body plan. Annelids and arthropods show bil
Diploblastic animals have ectoderm and endoderm
Diploblastic animals have ectoderm and endoderm, as in coelenterates. Triploblastic animals have ectoderm, mesoderm, and endoderm, as in platyhelminth
Coelom is a body cavity lined
Coelom is a body cavity lined by mesoderm. Coelomates include annelids, molluscs, arthropods, echinoderms, hemichordates, and chordates. Pseudocoeloma
Sponges are generally marine
Sponges are generally marine, mostly asymmetrical, and multicellular with cellular level of organisation. Water enters through ostia into the spongoco
Learning Objectives
- Understand the basis of animal classification using structural features
- Distinguish between cellular, tissue, organ, and organ system levels of organisation
- Compare asymmetry, radial symmetry, and bilateral symmetry
- Explain diploblastic and triploblastic body plans
- Differentiate coelomates, pseudocoelomates, and acoelomates
Frequently Asked Questions
What are the important topics in Animal Kingdom for CBSE Class 11 Biology?
How should I revise Animal Kingdom for Class 11 exams?
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Animal Kingdom
Practice Quiz
Test yourself with a quick quiz
Important Questions
Exam-style questions with answers
Revision Notes
Key points for last-minute revision
Concept Maps
See how topics connect
Study Plan
Step-by-step plan for this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Animal Kingdom chapter — start free.
Quizzes, flashcards, an AI doubt solver and a study plan for CBSE Class 11 Biology. Free to start, no card needed.