GATE Section-XL-T Zoology Syllabus


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Course Syllabus

Unit 1: Animal World

  • Animal diversity
  • Distribution
  • systematics and classification of animals
  • phylogenetic relationships

Unit 2: Evolution

  • Origin and history of life on earth
  • Theories of evolution
  • Natural selection
  • Adaptation
  • Speciation

Unit 3: Genetics

  • Basic principles of inheritance
  • Molecular basis of heredity
  • Sex determination and sex-linked characteristics
  • Cytoplasmic inheritance
  • Linkage
  • Recombination and mapping of genes in eukaryotes
  • Population genetics

Unit 4: 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

Unit 5: Cell Biology

  • Structure of cell
  • Cellular organelles and their structure and function
  • Cell cycle
  • Cell division
  • Chromosomes and chromatin structure

Unit 6: Gene Expression in Eukaryotes

  • Eukaryotic gene organization and expression (Basic principles of signal transduction)

Unit 7: Animal Anatomy and Physiology

  • Comparative physiology
  • Respiratory system
  • Circulatory system
  • Digestive system
  • Nervous system
  • Excretory system
  • Endocrine system
  • Reproductive system
  • Skeletal system
  • Osmoregulation

Unit 8: 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

Unit 9: Development Biology

  • Embryonic development
  • Cellular differentiation
  • Organogenesis
  • Metamorphosis
  • Genetic basis of development
  • Stem cells

Unit 10: Ecology

  • The ecosystem
  • Habitats
  • Food chain
  • Population dynamics
  • Species diversity
  • Zoogeography
  • Biogeochemical cycles
  • Conservation biology

Unit 11: Animal Behaviour

  • Types of behaviours
  • Courtship
  • Mating and territoriality
  • Instinct
  • Learning and memory
  • Social behaviour across the animal taxa
  • Communication
  • Pheromones
  • Evolution of animal behavior

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