NEET 2025 Zoology paper analysis

Zoology chapters and topics asked in NEET 2025

Chapters are ranked by questions in this paper. Under each chapter are the topics that were asked; “new” marks a topic with no question in any earlier paper.

• Biotechnology - Principles and Processes

  6+1

  Polymerase Chain Reaction (Denaturation, Annealing, etc.) · Gel Electrophoresis (Separation and Isolation of DNA Fragments) · Cloning Vectors (pBR322, Cosmids, etc.)u– · Identification of Clones having Recombinant DNA (Blue White r–… · Obtaining the Foreign Gene Product (Bioreactors) · Processes of Recombinant DNA Technologies (Amplification of eGene of… new

• Biotechnology and its Applications

  5+1

  Biotechnological Applications in Medicine (Recombinant Insulin -… ×2 · Biotechnological Applications in Agriculture (RNA Interference) ×2 · Biotechnological Applications in Medicine (Treatment of Cancer) new

• Human Reproduction

  5same

  Menstrual Cycle (Menarche, Various Events During Menstrual Cycle, et…) ×2 · Developdment Embryonic (Embryonic Development of Organs in Foetus at… new · Cleavage (Types of Cleavage) new · Gametogenesis (Structure of Sperm) new

• Animal Kingdom

  4same

  Classification of Animals (Non Chordata) (Characteristic Feature and… · Broad Classification of Kingdom Animalia (Coelom) new · Classification of Chordata - Vertebrata (Class - Cyclostomata) new · Phylum Chordata (Basic Features of Chordates) new

• Biomolecules

  4-2

  Enzymes (Cofactor) ×2 new · Enzymes (Classification and Nomenclature of Enzymes) · Analysis of Chemical Composition (DNA) new

• Chemical Coordination and Integration

  4+2

  Adrenal Gland (Adrenal Medulla and its Hormones) new · Hormones of Gastrointestinal Tract (GI Tract Hormone and its Function) new · Hypothalamus (Location of Hypothalamus, Hypothalamic Hormone) new · Ovary (Hormones and Function) new

• Human Health and Disease

  4same

  Lymphoid Organs (Secondary Lymphoid Organs) · Cancer (Introduction) new · Immunity (Innate Immunity) new · Immunity (Structure of Antibody) new

• Structural Organisation in Animals (Animal Tissues)

  4+1

  Frog - Anatomy (Blood Vascular System) ×2 new · Frog - Anatomy (Respiratory System) new · Frog - Anatomy (Habits and Morphology) new

• Body Fluids and Circulation

  1-1

  Regulation of Cardiac Activity (Effect of Medullary Hormones on Heart) new

• Evolution

  1-3

  Evidences for Evolution (Morphological uEvidences: Homologous… new

• Excretory Products and their Elimination

  1-1

  Functions of the Tubules (PCT, Henle's Loop, etc.) new

• Locomotion and Movement

  1-2

  Disorder of Muscular and Skeletal System

• Reproductive Health

  1-1

  Assisted Reproductive Technologies (ART) new

What changed from NEET 2024

• Biggest rise: Chemical Coordination and Integration went from 2 to 4 questions.
• Biggest drop: Evolution went from 4 to 1 questions.

Zoology topics asked for the first time in NEET 2025

1. 1Enzymes (Cofactor) · Biomolecules · Zoology2 Qs
2. 2Frog - Anatomy (Blood Vascular System) · Structural Organisation in Animals (Animal Tissues) · Zoology2 Qs
3. 3Processes of Recombinant DNA Technologies (Amplification of eGene of Interest… · Biotechnology - Principles and Processes · Zoology1 Qs
4. 4Biotechnological Applications in Medicine (Treatment of Cancer) · Biotechnology and its Applications · Zoology1 Qs
5. 5Developdment Embryonic (Embryonic Development of Organs in Foetus at Variou…) · Human Reproduction · Zoology1 Qs
6. 6Cleavage (Types of Cleavage) · Human Reproduction · Zoology1 Qs
7. 7Gametogenesis (Structure of Sperm) · Human Reproduction · Zoology1 Qs
8. 8Broad Classification of Kingdom Animalia (Coelom) · Animal Kingdom · Zoology1 Qs
9. 9Classification of Chordata - Vertebrata (Class - Cyclostomata) · Animal Kingdom · Zoology1 Qs
10. 10Phylum Chordata (Basic Features of Chordates) · Animal Kingdom · Zoology1 Qs

Zoology chapters with no question in NEET 2025

Breathing and Exchange of Gases, Digestion and Absorption, Neural Control and Coordination

Zoology across the 8 papers

NEET 2025 in the other subjects

Frequently asked questions

Counts come from Edurack's tagged set of NEET papers 2020–2026 (including Re-NEET 2026), mapped to NCERT chapters and topics. Use them as a trend guide — past frequency doesn't guarantee what a future paper will ask. Counts cover 2020–2026.