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Animal Kingdom — NEET/JEE Questions, Notes & Weightage

Class 11 Diversity in the Living World NEET weightage: Very High 4,699 questions

Classifies the animal phyla from Porifera to Chordata using body-plan criteria (symmetry, coelom type, segmentation, notochord). Consistently one of the highest-scoring chapters in NEET Biology — phylum-level classification tables and characteristic examples are tested every year.

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Topics inside Animal Kingdom

Chordata 2,865 Classification of Animals 896 Classification Basis 553 Basis of Classification 151 Zoology 86 Phylum Cnidaria 79 porifera 49 symmetry 38 coelom 38 Ctenophora and Platyhelminthes 37 Arthropoda 36 Levels Of Organisation 32 Examples of Porifera 32 Phylum Aschelminthes 24 Digestive System Evolution 21 Germ Layers 21 Phylum Mollusca 20 notochord 17 Circulatory System 15 segmentation 11 platyhelminthes 10 Echinodermata 6 Ctenophora 5 Diploblastic Organisation 5 Level Of Organisation 5 metamerism 5 Body Cavity 5 Aves 4 Bilateral Symmetry 4 Diversity in Living World 4 Phylum Annelida 4 Non-Chordata 4 Class Cyclostomata 4 Triploblastic Organisation 4 Coelomates 3 Radial Symmetry 3 stomochord 2 Organ System Level 2 Diploblastic Vs Triploblastic 2 acoelomates 2 protostomia 2 Coelom and Segmentation 2 General Characteristics 2 mesoglea 2 pseudocoelom 2 Coelom Formation 2 Non Chordates 2 Taxonomic Hierarchy 2 Body Plans 2 classification 2 Levels of Organization 1 Class Mammalia 1 Body Organisation 1 Chordates And Hemichordates 1 Classification Criteria 1 cyclostomata 1 Body Cavities 1 chordates 1 Symmetry Comparison 1 Protostomes And Deuterostomes 1 Class Reptilia 1 Structure and Reproduction 1 deuterostomia 1 Phyla 1 mollusca 1 Functional Morphology 1 Class Osteichythes 1 Closed Circulation 1 Pregnancy Embryonic Development 1 amphibia 1 Chordates And Notochord 1 Level of Organization 1 Symmetry In Animals 1 Taxonomic Identification 1 Hemichordata 1 Comparative Zoology 1 Class Chondrichythes 1 Kingdom Animalia 1 Nutrition 1 osteichthyes 1 Mesoglea Vs Mesoderm 1 pseudocoelomates 1 Canal System and Reproduction 1 Evolutionary Trends 1 Body Plan 1 Canal System 1

Frequently asked questions

How many questions typically come from Animal Kingdom in NEET?

It's regarded as one of the most reliably high-yield chapters in the whole syllabus — most years bring 2 or more questions, often built around classification criteria rather than rote example lists.

What is the best way to prepare Animal Kingdom?

Build a comparison table across phyla using the same criteria each time — symmetry, coelom, segmentation, circulatory system type — rather than memorising each phylum in isolation.

Which phyla get the most NEET questions?

Arthropoda, Mollusca, Chordata (especially the Pisces/Amphibia/Reptilia/Aves/Mammalia classes), and Annelida are asked about most often.

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