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Animal Kingdom — NEET/JEE Questions, Notes & Weightage

Class 11 Diversity in the Living World NEET weightage: Very High 4,700 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 4,290 Classification Basis 818 Zoology 86 Phylum Cnidaria 78 porifera 51 symmetry 38 coelom 38 Ctenophora and Platyhelminthes 37 Arthropoda 36 Levels Of Organisation 32 Examples of Porifera 32 Phylum Aschelminthes 24 Phylum Mollusca 21 Digestive System Evolution 21 Germ Layers 20 notochord 17 Circulatory System 15 segmentation 11 platyhelminthes 10 Ctenophora 5 Echinodermata 5 Body Cavity 5 Diploblastic Organisation 5 Level Of Organisation 5 metamerism 5 Class Cyclostomata 4 Bilateral Symmetry 4 Phylum Annelida 4 Triploblastic Organisation 4 Aves 3 Radial Symmetry 3 Coelomates 3 Organ System Level 2 Body Plans 2 Diploblastic Vs Triploblastic 2 acoelomates 2 stomochord 2 Non Chordates 2 mesoglea 2 pseudocoelom 2 protostomia 2 Class Osteichythes 2 Coelom and Segmentation 2 General Characteristics 2 Coelom Formation 2 Functional Morphology 1 Class Chondrichythes 1 Platyhelminthes Parasitic Adaptations 1 classification 1 Kingdom Animalia 1 Nutrition 1 osteichthyes 1 Symmetry Comparison 1 Class Reptilia 1 Level of Organization 1 Taxonomic Identification 1 Evolutionary Trends 1 Comparative Zoology 1 Class Mammalia 1 Chordates And Hemichordates 1 Closed Circulation 1 Body Organisation 1 Classification Criteria 1 cyclostomata 1 Body Cavities 1 chordates 1 Chordates And Notochord 1 Protostomes And Deuterostomes 1 Symmetry In Animals 1 Canal System and Reproduction 1 Canal System 1 deuterostomia 1 mollusca 1 Levels of Organization 1 Pregnancy Embryonic Development 1 amphibia 1 Mesoglea Vs Mesoderm 1 pseudocoelomates 1 Habitat of Porifera 1 Structure and Reproduction 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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