GATE 2023 Zoology Syllabus

Kritika Yadav

Kritika Yadav

GATE 2023 Zoology Syllabus

GATE 2023 Zoology Syllabus  has been Released. GATE 2023 is a national level exam organized by IIT Bombay (IITB).

The Engineering Graduation Skill Test (GATE 2023) is organized for admission to PG courses in the field of engineering and technology, specifically ME / M.Tech.The Exam will be held in February, And February 2023. 

Listed below is the full GATE 2023 Zoology Syllabus:

GATE 2023 Zoology Syllabus

Optional Section

Animal World

Animal diversity, distribution, systematics and classification of animals, phylogenetic relationships.


Origin and history of life on earth, theories of evolution, natural selection, adaptation, speciation.


Principles of inheritance, molecular basis of heredity, mutations, cytoplasmic inheritance, linkage and mapping of genes.

Biochemistry and Molecular Biology

Nucleic acids, proteins, lipids and carbohydrates; replication, transcription and translation; regulation of gene expression, organization of genome, Kreb’s cycle, glycolysis, enzyme catalysis, hormones and their actions, vitamins.

Cell Biology

Structure of cell, cellular organelles and their structure and function, cell cycle, cell division, chromosomes and chromatin structure. Eukaryotic gene organization and expression (Basic principles of signal transduction).

Animal Anatomy and Physiology

Comparative physiology, the respiratory system, circulatory system, digestive system, the nervous system, the excretory system, the endocrine system, the reproductive system, the skeletal system, osmoregulation.

Parasitology and Immunology

Nature of parasite, host-parasite relation, protozoan and helminthic parasites, the immune response, cellular and humoral immune response, evolution of the immune system.

Development Biology

Embryonic development, cellular differentiation, organogenesis, metamorphosis, genetic basis of development, stem cells.


The ecosystem, habitats, the food chain, population dynamics, species diversity, zoogeography, biogeochemical cycles, conservation biology.

Animal Behaviour

Types of behaviours, courtship, mating and territoriality, instinct, learning and memory, social behaviour across the animal taxa, communication, pheromones, evolution of animal behaviour.

Related Links