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By referring the UPSC Zoology 2024 syllabus pdf, candidates can prepare their study schedule and exam preparation strategy. Union Public Service Commission prescribes the UPSC zoology syllabus in an official notification pdf. The syllabus of UPSC IAS for zoology is released separately for paper 1 and paper 2 in the pdf file.
Download - UPSC Zoology syllabus pdf
Aspirants should refer the UPSC zoology 2024 syllabus for the mains exam of UPSC IAS. It becomes important to cover the syllabus in detail as UPSC IAS question papers are prepared from it only. Go to the below-given article to know about the Civil Services exam and other important details of the zoology syllabus.
According to UPSC IAS 2024 exam pattern there will be no negative marking in mains exam.
This syllabus will be useful only to those applicants who qualify in the UPSC IAS 2024 result.
The syllabus of zoology subject is divided in two parts - paper I and II
The weightage of both the papers in the exam is the same which is 250 marks.
UPSC Subject-wise Questions for various Subjects
Applicants can check various topics and sub topics of Zoology subjects from the given table below.
Topics | Sub topics |
Ecology |
|
Non-chordata and Chordata | (a) 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. (b) Protozoa: Locomotion, nutrition, reproduction, sex; General features and life history of Paramaecium, Monocystis. Plasmodium and Leishmania. (c) Porifera: Skeleton, canal system and reproduction. (d) Cnidaria: Polymorphism, defensive structures and their mechanism; coral reefs and their formation; metagenesis; general features and life history of Obelia and Aurelia. (e) Platyhelminthes: Parasitic adaptation; general features and life history of Fasciola and Taenia and their-Pathogenic symptoms. (f) Nemathelminthes: General features, life history, parasitic adaptation of Ascaris and Wuchereria. (g) Annelida: Coelom and metamerism; modes of life in polychaetes; general features and life history of Nereis, earthworm and leech. (h) Arthropoda: Larval forms and parasitism in Crustacea; vision and respiration in arthropods (Prawn, scorpion & cockroach); modification of mouth, parts in insects (cockroach, housefly, mosquito, honey bee and butterfly), metaphor phosis in insect and its hormonal regulation, social behaviour ofApis and termites. (i) Molluscs: Feeding, respiration, locomotion, general features and life history of Lamellidens, Pila and Sepia. Torsion and detorsion in gastropods. (j) Echinodermata: Feeding, respiration, locomotion, larval forms, general features and life history of Asterias. (k) Protochordata: Origin of chordates; general features and life history of Branchiostoma and Herdmania. (l) Pisces: Respiration, locomotion and migration. (m) Amphibia: Origin of tetrapods, parental care, paedomorphosis. (n) Reptilia; Origin of reptiles, skull types, status of Sphenodon and crocodiles. (o) Aves: Origin of birds, flight adaptation, migration. (p) 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. (q) 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 & ear). |
Ethology | (1) Behaviour: Sensory filtering, responsiveness, sign stimuli, learning, and memory, instinct, habituation, conditioning, imprinting. (2) Role of hormones in drive; role of pheromones in alarm spreading; crypsis, predator detection, predator tactics, social hierarchies in primates, social organization in insects; (3) Orientation, navigation, homing; biological rhythms: biological clock, tidal, seasonal and circadian rhythms. (4) Methods of studying animal behaviour including sexual conflict, selfishness, kinship and altruism. |
Biostatistics |
|
Instrumentation methods | (a) Spectrophotometer, phase contrast & fluorescence microscopy, radioactive tracer, electrophoresis, ultracentrifuge, PCR, ELISA, FISH and chromosome painting. (b) Electron microscopy (TEM, SEM). |
Economic Zoology | (a) Apiculture, sericulture, lac culture, pearl culture, carp culture, prawn culture, vermiculture. (b) Major infectious and communicable diseases (malaria,tuberculosis, filaria, cholera and AIDS) their vectors, pathogens and prevention. (c) Cattle and livestock diseases, their pathogen (helminths) and vectors (ticks, mites, Tabanus, Stomoxys). (d) Pests of sugarcane (Pyrilla perpusilla), oil seed (Achaeajanata) and rice (Sitophilus oryzae). (e) Transgenic animals. (f) Medical biotechnology, human genetic disease and genetic counselling, gene therapy. (g) Forensic biotechnology. |
Topics | Sub topics |
Evolution |
|
Systematics | Zoological nomenclature International code Cladistics Molecular taxonomy & biodiversity |
Cell Biology | (a) Structure & function of 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 movement chromosome type polytene and lampbrush, organization of chromatin, heterochromatin, Cell cycle regulation. (b) Nucleic acid topology, DNA replication, transcription, DNA motif, RNA processing, translation, protein foldings and transport. |
Genetics | (a) Modern concept of gene, split gene, genetic,genetic regulation, code. (b) Sex chromosomes and their evolution, sex determination in Drosophila and man. (c) Mendel’s laws of inheritance, recombination, linkage, multiple alleles, genetics of blood groups, pedigree analysis, hereditary diseases in man. (d) Mutations and mutagenesis. (e) Recombinant DNA technology, plasmid, cosmid, artificial chromosomes as vectors, transgenics, DNA cloning and whole animal cloning (principles and methods). (f) Gene regulation and expression in prokaryotes and eukaryotes. (g) Signal molecules, cell death, defects in signaling pathway and consequences. (h) RFLP, RAPD and AFLP and application of RFLP in DNA finger-printing, ribozyme technologies, human genome project, genomics and proteomics. |
Biochemistry | (a) Structure and role of carbohydrates, fats, fatty acids, cholesterol, proteins and amino-acids, nucleic acids. Bioenergetics. (b) Glycolysis and Krebs cycle, oxidation and reduction, oxidative phosphorylation; energy conservation and release, ATP, cycl cyclic AMP-its structure and role. (c) Hormone classification (steroid and peptide hormones), biosynthesis and functions. (d) Enzymes: types and mechanisms of action. (e) Vitamins and coenzymes. (f) Immunoglobulin and immunity. |
Physiology (with special reference to mammals) |
|
Developmental Biology | (a) Gametogenesis; spermatogenesis, composition of semen, in vitro and in vivo capacitation of mammalian sperm, Oogenesis, totipotency; fertilization, morphogenesis and morphogen; blastogenesis, 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. (b) Cell lineage, cell to cell interaction, Genetic and induced teratogenesis, role of thyroxine in control of metamorphosis in amphibia, paedogenesis and neoteny, cell death, aging. (c) Developmental genes in man, in vitro fertilization; and embryo transfer; cloning. (d) Stem cells: Sources, types and their use in human welfare. (e) Biogenetic law. |
Also read: UPSC Mock Tests Series for UPSC
As per the official UPSC Civil Services Exam notification, the UPSC IAS prelims exam has multiple choice questions whereas the UPSC IAS mains exam is descriptive type questions. The prelims CSE is of 400 marks in total whereas IAS mains is of 2350 marks. For more details on the prelims and mains UPSC IAS exam pattern 2024 check the tables below.
Papers | Subjects | Marks | Duration |
Paper 1 | General Studies 1 | 200 | 2 hrs |
Paper 2 | General Studies 2 | 200 | 2 hrs |
Papers | Subjects | Marks | Duration |
Paper 1 | General English | 300 | 3 hrs |
Paper 2 | Language (regional language) | 300 | 3 hrs |
Paper 3 | Essay | 250 | 3 hrs |
Paper 4 | General Studies 1 | 250 | 3 hrs |
Paper 5 | General Studies 2 | 250 | 3 hrs |
Paper 6 | Optional subject 1 | 250 | 3 hrs |
Paper 7 | Optional subject 1 | 250 | 3 hrs |
Paper 8 | Optional subject 2 | 250 | 3 hrs |
Paper 9 | Optional subject 2 | 250 | 3 hrs |
Also read: Information about category-wise career exams
Aspirants can download UPSC IAS syllabus from the official website - upsc.gov.in.
The commission will release UPSC IAS admit card in online mode tentatively by 20 days prior to the exam.
Applicants have to prepare for the zoology subject syllabus to qualify Civil Services mains examination.
Applicants should know that UPSC IAS salary basic pay is Rs. 56,100
Application Date:24 June,2025 - 18 July,2025
Others:30 June,2025 - 29 July,2025
Application Date:01 July,2025 - 21 July,2025
Admit Card Date:09 July,2025 - 20 July,2025
Hello
This is the typical schedule of the IAS Exam (UPSC CSE):
Notification Release:
February
Online Application Window:
February to early March
Prelims Exam:
May or June
Mains Exam:
September/October
As for 2025, the registration date is already gone, so you have to see for 2026 now. The registration will open most probably in February 2026 so stay tuned.
To know more about the IAS Exam: UPSC CSE
Hope this answer helps! Thank You!!!
A candidate who has undergone heart surgery can be eligible for the IAS post if they are medically fit and can perform the required duties without any serious health problems The UPSC allows candidates to appear for the exam if they meet the general physical and mental fitness criteria After clearing the main examination and interview all selected candidates must undergo a detailed medical examination by a government medical board If the candidate has recovered well from heart surgery and there are no complications they can be declared fit for service However if the surgery has caused any permanent disability and if it is certified under the benchmark disability rules then the candidate may be eligible for reservation under the persons with disabilities category Final eligibility depends on the report given by the medical board during the selection process
If a person has undergone heart surgery for ASD which means Atrial Septal Defect and is now medically fit then they can apply for the IAS exam There is no restriction for such candidates if their physical and mental condition is stable and they can perform the duties required in civil services However selection to IAS also depends on passing the medical test conducted after clearing the main exam and interview If the person has any lasting disability due to the heart condition and it is certified by a government medical board then they may be considered under the benchmark disability category as per the Rights of Persons with Disabilities Act In such cases the candidate may come under reservation for persons with disabilities in the specific category mentioned by the medical authority It is always advised to check the official UPSC notification and consult with a government hospital for proper disability certification before applying
Hello ,
If you want to give IAS exam then you should complete your graduation first or also if you are in your last year of graduation then you can fill the application form.
To know more, refer this:
https://competition.careers360.com/articles/upsc-ias-application-form
I hope this helps you!
If you want to become an IAS or IPS officer after completing your 12th in PCMC , focus on graduation because the UPSC Civil Services exam requires you to have a bachelor’s degree from a recognized university. You can choose any graduation stream, but many students prefer degrees like Political Science, Public Administration, History, or Sociology because these subjects help build a strong foundation for the UPSC syllabus. it’s not mandatory to pick these; you can also pursue Science, Commerce, or Arts as long as you complete your graduation. Along with your degree, start preparing for the UPSC exam early by reading newspapers, improving your general knowledge, and practicing answer writing. So, after 12th, pick a degree you are comfortable with, and plan your UPSC preparation alongside
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