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UPSC Zoology Syllabus 2024, Download Zoology Optional PDF

UPSC Zoology Syllabus 2024: Zoology is among the 48 optional subjects offered by the Union Public Service Commission. It is a specialized subject with a comprehensive syllabus that encompasses classification, ecology, cytology, and genetics. The subject covers both theoretical and applied aspects of Zoology. In the Civil Services Mains exam, Zoology is included as one of the Optional Subjects, with two papers designated as Paper I and Paper II. The mains examination is a crucial component of the IAS Exam, which comprises three stages: Prelims, Mains, and Interview.

UPSC Zoology Syllabus 2024 Overview

The UPSC Zoology Syllabus 2024 optional subject is divided into two papers, each carrying 250 marks, resulting in a total of 500 marks. To excel in this paper, it is important to have a detailed understanding of the Zoology syllabus. This will enable aspirants to identify the topics to be covered and develop a robust study plan to secure good marks in the UPSC Zoology examination.

To ensure comprehensive coverage of the Zoology syllabus for UPSC, candidates should devise a strategic plan that addresses every topic. This approach will enhance their chances of scoring well and clearing the second stage of the UPSC Exam. Candidates can check the following overview table of UPSC Zoology Syllabus 2024 provided below.

UPSC Zoology Syllabus 2024 Overview
Name of Organization Union Public Service Commission (UPSC)
Name Of Exam Zoology
Category Syllabus
Zoology Optional Subject Paper I and Paper II
Total Marks 250 Marks for each paper (I & II)
Time Duration 3 Hours
Official website https://www.upsc.gov.in/

UPSC Zoology Syllabus 2024 for Optional Paper I

1. Non-chordata and Chordata:

  • Classification and relationship of various phyla up to subclasses: Acoelomate and Coelomate, Protostomes and Deuterostomes, Bilateria and Radiata; Status of Protista, Parazoa, Onychophora, and Hemichordata; Symmetry.
  • Protozoa: Locomotion, nutrition, reproduction, sex; General features and life history of Paramaecium, Monocystis, Plasmodium, and Leishmania.
  • Porifera: Skeleton, canal system, and reproduction.
  • Cnidaria: Polymorphism, defensive structures, and their mechanism; coral reefs and their formation; metagenesis; general features and life history of Obelia and Aurelia.
  • Platyhelminthes: Parasitic adaptation; general features and life history of Fasciola and Taenia and their pathogenic symptoms.
  • Nemathelminthes: General features, life history, parasitic adaptation of Ascaris and Wuchereria.
  • Annelida: Coelom and metamerism; modes of life in polychaetes; general features and life history of Nereis, earthworm, and leach.
  • Arthropoda: Larval forms and parasitism in Crustacea; vision and respiration in arthropods (Prawn, cockroach, and scorpion); modification of mouth parts in insects (cockroach, mosquito, housefly, honey bee, and butterfly); metamorphosis in insect and its hormonal regulation, the social behavior of Apis and termites.
  • Mollusca: Feeding, respiration, locomotion, general features and life history of Lamellidens, Pila, and Sepia, torsion and detorsion in gastropods.
  • Echinodermata: Feeding, respiration, locomotion, larval forms, general features, and life history of Asterias.
  • Protochordate: Origin of chordates; general features and life history of Branchiostoma and Herdmania.
  • Pisces: Respiration, locomotion, and migration.
  • Amphibia: Origin of tetrapods, parental care, paedomorphosis.
  • Reptilia; Origin of reptiles, skull types, status of Sphenodon and crocodiles.
  • Aves: Origin of birds, flight adaptation, migration.
  • Mammalia: Origin of mammals, dentition, general features of egg-laying mammals, pouched mammals, aquatic mammals and primates, endocrine glands (pituitary, thyroid, parathyroid, adrenal, pancreas, gonads) and their interrelationships.
  • Comparative functional anatomy of various systems of vertebrates (integument and its derivatives, endoskeleton, locomotory organs, digestive system, respiratory system, circulatory system including heart and aortic arches, urinogenital system, brain and sense organs (eye and ear).

2. Ecology:

  • Biosphere: Concept of biosphere; biomes, Biogeochemical cycles, Human induced changes in atmosphere including greenhouse effect, ecological succession, biomes and ecotones, community ecology.
  • Concept of ecosystem; structure and function of ecosystem, types of ecosystem, ecological succession, ecological adaptation.
  • Population; characteristics, population dynamics, population stabilization.
  • Biodiversity and diversity conservation of natural resources.
  • Wildlife of India.
  • Remote sensing for sustainable development.
  • Environmental biodegradation, pollution, and its impact on the biosphere and its prevention.

3. Ethology:

  • Behavior: Sensory filtering, responsiveness, sign stimuli, learning and memory, instinct, habituation, conditioning, imprinting.
  • Role of hormones in drive; the role of pheromones in alarm spreading; crypsis, predator detection, predator tactics, social hierarchies in primates, social organization in insects.
  • Orientation, navigation, homing, biological rhythms, biological clock, tidal, seasonal, and circadian rhythms.
  • Methods of studying animal behavior include sexual conflict, selfishness, kinship, and altruism.

4. Economic Zoology:

  • Apiculture, sericulture, lac culture, carp culture, pearl culture, prawn culture, vermiculture.
  • Major infectious and communicable diseases (malaria, filaria, tuberculosis, cholera, and AIDS) their vectors, pathogens, and prevention.
  • Cattle and livestock diseases, their pathogen (helminths), and vectors (ticks, mites, Tabanus, Stomoxys).
  • Pests of sugar cane (Pyrilla perpusiella) oil seed (Achaea janata) and rice (Sitophilus oryzae).
  • Transgenic animals.
  • Medical biotechnology, human genetic disease, and genetic counseling, gene therapy.
  • Forensic biotechnology.

5. Biostatistics:

  • Designing of experiments; null hypothesis; correlation, regression, distribution and measure of central tendency, chi-square, student-test, F-test (one-way & two-way F-test).

6. Instrumentation Methods:

  • Spectrophotometer, phase contrast and fluorescence microscopy, radioactive tracer, ultra centrifuge, gel electrophoresis, PCR, ELISA, FISH, and chromosome painting.
  • Electron microscopy (TEM, SEM).

UPSC Zoology Syllabus 2024 for Optional Paper II

1. Cell Biology:

  • Structure and function of the cell and its organelles (nucleus, plasma membrane, mitochondria, Golgi bodies, endoplasmic reticulum, ribosomes, and lysosomes), cell division (mitosis and meiosis), mitotic spindle and mitotic apparatus, chromosome movements, chromosome type polytene, and lampbrush, organization of chromatin, heterochromatin, Cell cycle regulation.
  • Nucleic acid topology, DNA motif, DNA replication, transcription, RNA processing, translation, protein foldings, and transport.

2. Genetics:

  • The modern concept of the gene, split gene, genetic regulation, and genetic code.
  • Sex chromosomes and their evolution, sex determination in Drosophila and man.
  • Mendel’s laws of inheritance, recombination, linkage, multiple alleles, genetics of blood groups, pedigree analysis, and hereditary diseases in man.
  • Mutations and mutagenesis.
  • Recombinant DNA technology; plasmid, cosmid, artificial chromosomes as vectors, transgenic, DNA cloning, and whole animal cloning (principles and methods).
  • Gene regulation and expression in prokaryotes and eukaryotes.
  • Signal molecules, cell death, defects in the signaling pathway, and consequences.
  • RFLP, RAPD, and AFLP and application of RFLP in DNA finger printing, ribozyme technologies, human genome project, genomics, and proteomics.

3. Evolution:

  • Theories of the origin of life.
  • Theories of evolution; Natural selection, the role of mutations in evolution, evolutionary patterns, molecular drive, mimicry, variation, isolation, and speciation.
  • Evolution of horse, elephant, and man using fossil data.
  • Hardy-Weinberg Law.
  • Continental drift and distribution of animals.

4. Systematic:

  • Zoological nomenclature, international code, cladistics, molecular taxonomy, and biodiversity.

5. Biochemistry:

  • Structure and role of carbohydrates, fats, fatty acids, and cholesterol, proteins, and amino acids, nucleic acids. Bioenergetics.
  • Glycolysis and Kreb cycle, oxidation and reduction, oxidative phosphorylation, energy conservation and release, ATP cycle, cyclic AMP? its structure and role.
  • Hormone classification (steroid and peptide hormones), biosynthesis, and functions.
  • Enzymes: types and mechanisms of action.
  • Vitamins and co-enzymes
  • Immunoglobulin and immunity.

6. Physiology (with special reference to mammals):

  • Composition and constituents of blood; blood groups and Rh factor in man, factors, and mechanism of coagulation, iron metabolism, acid-base balance, thermo-regulation, anticoagulants.
  • Haemoglobin: Composition, types, and role in the transport of oxygen and carbon dioxide.
  • Digestion and absorption: Role of salivary glands, liver, pancreas, and intestinal glands.
  • Excretion: nephron and regulation of urine formation; osmoregulation and excretory product
  • Muscles: Types, mechanism of contraction of skeletal muscles, effects of exercise on muscles.
  • Neuron: nerve impulse? its conduction and synaptic transmission, neurotransmitters.
  • Vision, hearing, and olfaction in man.
  • Physiology of reproduction, puberty, and menopause in humans.

7. Developmental Biology:

  • Gametogenesis; spermatogenesis, the composition of semen, in vitro and in vivo capacitation of mammalian sperm, Oogenesis, totipotency; fertilization, morphogenesis and morphogen, blastogenesis, the establishment of body axes formation, fate map, gastrulation in frog and chick; genes in development in chick, homeotic genes, development of eye and heart, placenta in mammals.
  • Cell lineage, cell-to-cell interaction, Genetic and induced teratogenesis, the role of thyroxine in control of metamorphosis in amphibia, paedogenesis and neoteny, cell death, and ageing.
  • Developmental genes in man, in vitro fertilization and embryo transfer, cloning.
  • Stem cells: Sources, types and their use in human welfare.
  • Biogenetic law.

UPSC Zoology Syllabus 2024 PDF Download

UPSC Zoology Syllabus 2024 PDF: Candidates can check out the link below to download UPSC Zoology Syllabus 2024 PDF.

Click here to Download UPSC Zoology Syllabus 2024 PDF

UPSC Zoology Exam Pattern 2024

UPSC Zoology Exam Pattern 2024: According to the table, the exam pattern of each paper of the UPSC Zoology Syllabus is assigned 250 marks, a total of 500 marks. It is crucial for candidates to aim for a high score in order to significantly impact their overall performance in the UPSC Exam. Understanding the UPSC Zoology Syllabus is the initial step towards excelling in this subject.

Candidates who have a background in Zoology during their graduation or master’s degree may find the UPSC Zoology Optional Syllabus relevant. The syllabus consists of two papers, namely Paper 1 and Paper 2. The time duration for both exams is 3 Hours.

UPSC Zoology Exam Pattern 2024
Topic Marks Duration
UPSC Zoology Optional Syllabus Paper 1 250 3 Hours
UPSC Zoology Optional Syllabus Paper 2 250

UPSC Zoology Syllabus 2024, Download Zoology Optional PDF_3.1

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FAQs

Is zoology good subject for UPSC?

Zoology is one of the best optional subjects in the UPSC Mains exam. It includes two papers- Paper I and Paper II. Each paper carries 250 marks and contributes a total of 500 marks.

What is the syllabus for UPSC zoology students?

The UPSC zoology syllabus includes topics like Non-Chordata and Chordata, Ecology, Ethology, Economic Zoology, Biostatistics, Cell Biology, Genetics, Evolution, and Systematics.

Is zoology scoring in UPSC?

UPSC Zoology Optional is a high scoring subject, especially in the mains exam. The syllabus is clearly defined, which makes questions easier to answer. There are two optional papers in Zoology, each worth 250 marks.

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