Kerala PSC HSST Zoology Syllabus PDF & Exam Pattern 2025 – Link Here

Prepare for the Kerala PSC HSST Zoology Exam 2025 with our complete guide! Get the detailed syllabus, PDF download, and exam pattern. Covering Systematics, Physiology, Biochemistry, Microbiology, Genetics, Ecology, and more, this post helps you plan your preparation effectively. Stay ahead with expert tips and insights for HSST Zoology Syllabus and Exam Pattern 2025.

Kerala PSC HSST Zoology Exam 2025 Highlights

HSST Zoology 2025 Previous Question Paper PDF Download

Kerala PSC HSST Zoology Syllabus 2025 PDF

The complete Kerala PSC HSST Zoology syllabus 2205 PDF covering all modules—Systematics, Evolution, Physiology, Biochemistry, Microbiology, Genetics, Ecology, Biotechnology, and Current Affairs. Click below to download the official syllabus PDF and start your preparation with a structured plan.

Kerala PSC HSST Zoology Exam Pattern 2025

Below is a detailed table of marks distribution, modules, and sections for the Kerala PSC HSST Zoology 2025 exam. Use this table to plan your study strategy, focus on high-weightage topics.

Kerala PSC HSST Zoology Detailed Syllabus 2025

Please note that, in addition to the topics listed above, questions may also be drawn from other subjects included in the prescribed educational qualifications for the post. There is no guarantee that every topic mentioned above will appear in the question paper.

MODULE I: SYSTEMATICS AND EVOLUTIONARY BIOLOGY (10 Marks)

1. Systematics

• Basic concepts, Importance, and Applications

• Trends: Chemotaxonomy, Cytotaxonomy, Molecular Taxonomy, Cladistics, Numerical Taxonomy

• Dimensions of Speciation, Species Concept, Theories of Biological Classification, Hierarchy of Categories

• Procedural Keys: Taxonomic procedures – Collection, Preservation, Curating, Identification

• Taxonomic Keys: Merits and Demerits; ICZN; Formation of Scientific Names of Various Taxa

2. Evolutionary Biology

• Outline of evolutionary theories: Darwinism, Lamarckism, Modern Synthesis (not in detail)

• Origin of higher categories

• Punctuated equilibrium

• Macroevolution, Microevolution

• Coevolution

• Founder principle

• C-value paradox

• Concept of molecular clock

• Molecular examples: Cytochrome C, Hemoglobin, Histone

MODULE II: PHYSIOLOGY AND BIOCHEMISTRY (10 Marks)

I. Physiology

1. Nutrition and Digestion

   • Types of nutrition

   • Mechanism of digestion and absorption

   • Gastrointestinal hormones

   • Deficiency diseases of nutrients

2. Circulatory Physiology

   • Physiology of cardiac muscles

   • Cardiac cycle

   • Electrical properties

   • Conducting system of heart

   • Blood pressure, Blood volume, Pressure control – integrated system

3. Nerve Physiology

   • Nerve action potential

   • Conduction of nerve impulse

   • Synapse and synaptic transmission

   • Neurotransmitters

4. Excretory Physiology

5. Respiratory Physiology

6. Muscle Physiology

7. Endocrinology

   • Major endocrine glands, their hormones, and functions

   • Mechanism of hormone action

II. Biochemistry

• Biomolecules

  • Carbohydrates: Classification, Structure, Properties, Functions

  • Proteins: Classification, Structure, Properties, Functions

  • Lipids: Classification, Structure, Properties, Functions

• Enzymes

  • Mechanism of enzyme action

  • Factors affecting enzyme action

  • Enzyme kinetics: Michaelis-Menten kinetics

  • Substrate concentration, Enzyme inhibition and regulation

  • Isozyme, Coenzyme, Ribozymes

• Metabolism

  • Carbohydrates: Glycolysis, TCA cycle, Pentose phosphate pathway, Glycogenesis, Glucogenesis, Gluconeogenesis, Regulation

  • Proteins: Deamination, Transamination

  • Lipids: β-oxidation, Fatty acid synthesis, Cholesterol biosynthesis

• Energy Metabolism

  • Oxidative metabolism, Oxidative phosphorylation

  • Chemiosmotic theory

MODULE III: MICROBIOLOGY AND IMMUNOLOGY (10 Marks)

I. Microbiology

• Classification of Microorganisms – Bergey’s Manual

• Salient features of Bacteria, Viruses, Fungi, Protozoa, Algae

• Bacterial Cell: Structure and Function

• Bacterial Cell Wall: Peptidoglycan, Gram-positive and Gram-negative, Mechanism of Gram staining

• Bacterial culture media

• Growth curves

• Industrial Microbiology: Fermentation

II. Immunology

• Types of Immunity: Innate, Acquired, Passive, Active, Cell-mediated

• Cells of primary and secondary lymphoid organs

• Cells and organs of immune system

III. Immunogens (Antigens)

• General properties: Structure, Function, Variability, Diversity

• Factors affecting antigenicity

• Epitopes and haptens

• Adjuvants

IV. Immunoglobulins (Antibodies)

• General properties: Structure and Function

• Different classes: IgA, IgD, IgE, IgM

• Variability and Diversity

• Monoclonal and Polyclonal antibodies

V. Antigen-Antibody Interaction

• Complement system: Classical pathway, Alternate pathway

• Cell-mediated and humoral reactions

VI. Transplantation

• MHC genes, Auto-immune diseases

MODULE IV: CELL, MOLECULAR BIOLOGY AND BIOTECHNOLOGY (10 Marks)

Cell Biology

• Cell membrane: Structure and Function

• Cell organelles: Special reference to Mitochondria and Ribosomes

Molecular Biology

• Organization of eukaryotic genome: Gene content, Genomic size, Conserved exons, Recombination

• DNA replication, Repair, Recombination (Prokaryotic & Eukaryotic)

• Transcription and RNA processing (Prokaryotic & Eukaryotic)

• Translation: Mechanism, Post-translational modification

• Gene regulation in Prokaryotes and Eukaryotes

• Transcriptional signals: TATA, CAAT box, Enhancers

Biotechnology

• Gene Cloning

  • Major steps, Isolation, Purification

  • Vectors: Plasmids, Ti plasmid, Bacteriophages, Cosmids, Phagemids, Artificial chromosomes

  • Enzymes in gene cloning

  • Probes and molecular markers (RFLP, RAPD, AFLP)

  • Homopolymer tailing, linkers, adapters

• Genetic Engineering Techniques

  • PCR, DNA fingerprinting

  • Blotting techniques: Northern, Southern, Western, Dot blot, Slot blot

  • DNA sequencing: Maxam-Gilbert, Sanger-Coulson methods

  • Chromosome jumping, Genomic & cDNA libraries

  • Site-specific mutagenesis, gene targeting

  • Human genome project, Human gene therapy

  • Transgenic animals

MODULE V: GENETICS AND DEVELOPMENTAL BIOLOGY (10 Marks)

I. Genetics

• Mendelian principles: Laws, Linkage, Crossing over, Mutation

• DNA: Types of DNA and RNA

• Lyon hypothesis

• Syndromes: Klinefelter, Down, Turner

• Genetic code

II. Developmental Biology

• Gametogenesis, Fertilization, Early development: Cleavage, Blastulation, Gastrulation, Organogeny

• Experimental Embryology

• Embryonic induction

MODULE VI: ECOLOGY, ETHOLOGY, BIODIVERSITY CONSERVATION AND BIOSTATISTICS (10 Marks)

1. Ecology

• Habit and Habitat, Ecological niche, Ecosystem

• Population and Community ecology

• Ecological succession

• Pollution and Global warming

2. Ethology

• Learning behavior

• Communication behavior

• Motivation

3. Biodiversity Conservation

• Biodiversity concept, Status in India, Value, Loss and causes

• Indices, Hotspots of biodiversity

• In situ and Ex-situ conservation

4. Biostatistics

• Mean, Median, Mode, Standard deviation

• Graphical representation of data

5. Biophysics, Bioinformatics, and Computer Application

• Instrumentation: SEM, TEM, Electrophoresis (Gel, PAGE, Agarose, 2D), HPLC, Flow cytometry, NMR, Mass, Plasma, Atomic, X-ray diffraction, ELISA

• Bioinformatics: Proteomics, Genomics, Databases (Primary & Secondary), Search engines

• Transgenic animals, Stem cell research

• IPR, Carbon trading, Ecological footprinting

• Treaties and protocols related to climate change

MODULE VII: RECENT DEVELOPMENTS IN ZOOLOGY (10 Marks)

PART II: RESEARCH METHODOLOGY / TEACHING APTITUDE (10 Marks)

I. Teaching Aptitude

• Nature, objectives, characteristics, and basic requirements of teaching

• Learner’s characteristics

• Factors affecting teaching

• Methods of teaching

• Teaching aids

• Evaluation systems

II. Research Aptitude

• Research: Meaning, Characteristics, Types

• Steps and Methods of research

• Research ethics

• Paper, article, workshop, seminar, conference, symposium

• Thesis writing: Characteristics and format

PART III: SALIENT FEATURES OF INDIAN CONSTITUTION (10 Marks)

• Salient features of Constitution, Preamble, significance

• Fundamental Rights, Directive Principles, Relation between Fundamental Rights and Directive Principles, Fundamental Duties

• Executive, Legislature, Judiciary (Union & State)

• Other constitutional authorities

• Centre-State relations: Legislative, Administrative, Financial

• Services under Union and States

• Emergency provisions

• Amendment provisions

Social Welfare Legislations and Programmes

• Right to Information Act, Prevention of atrocities against Women & Children, Food Security Act, Environmental Acts

• Social welfare programmes: Employment Guarantee Programme, Organ and Blood Donation

RENAISSANCE IN KERALA: TOWARDS A NEW SOCIETY

Introduction to English Education

• Missionary organisations, educational institutions, factories, printing press

Efforts to Reform Society

• Socio-Religious Reform Movements: SNDP Yogam, Nair Service Society, Yogakshema Sabha, Sadhu Jana Paripalana Sangham, Vaala Samudaya Parishkarani Sabha, Samathwa Samajam, Islam Dharma Paripalana Sangham, Prathyaksha Raksha Daiva Sabha, Sahodara Prasthanam

• Struggles and Social Revolts: Upper cloth revolts, Channar agitation, Vaikom Satyagraha, Guruvayoor Satyagraha, Paliyam Satyagraha, Kuttamkulam Satyagraha, Temple Entry Proclamation, Temple Entry Act, Malayalee Memorial, Ezhava Memorial, Malabar riots, Civil Disobedience Movement, Abstention movement

Role of Press

• Malayalee, Swadeshabhimani, Vivekodayam, Mithavadi, Swaraj, Malayala Manorama, Bhashaposhini, Mathrubhumi, Kerala Kaumudi, Samadarsi, Kesari, Al-Ameen, Prabhatham, Yukthivadi

Awakening Through Literature

• Novel, Drama, Poetry

• Purogamana Sahithya Prasthanam, Nataka Prasthanam, Library movement

Women and Social Change

• Parvathi Nenmenimangalam, Arya Pallam, A.V. Kuttimalu Amma, Lalitha Prabhu, Akkamma Cheriyan, Anna Chandi, Lalithambika Antharjanam

Leaders of Renaissance

• Thycaud Ayya Vaikundar, Sree Narayana Guru, Ayyan Kali, Chattampi Swamikal, Brahmananda Sivayogi, Vagbhadananda, Poikayil Yohannan (Kumara Guru), Dr. Palpu, Palakkunnath Abraham Malpan, Mampuram Thangal, Sahodaran Ayyappan, Pandit K.P. Karuppan, Pampadi John Joseph, Mannathu Padmanabhan, V.T. Bhattathirippad, Vakkom Abdul Khadar Maulavi, Makthi Thangal, Blessed Elias Kuriakose Chaavra, Barrister G.P. Pillai, T.K. Madhavan, Moorkoth Kumaran, C. Krishnan, K.P. Kesava Menon, Dr. Ayyathan Gopalan, C.V. Kunjuraman, Kuroor Neelakantan Namboothiripad, Velukkutty Arayan, K.P. Vellon, P.K. Chathan Master, K. Kelappan, P. Krishna Pillai, A.K. Gopalan, T.R. Krishnaswami Iyer, C. Kesavan, Swami Ananda Theerthan, M.C. Joseph, Kuttippuzha Krishnapillai

Literary Figures

• Kodungallur Kunhikkuttan Thampuran, Kerala Varma Valiyakoyi Thampuran, Kandathil Varghese Mappila, Kumaran Asan, Vallathol Narayana Menon, Ulloor S. Parameswara Iyer, G. Sankara Kurup, Changampuzha Krishna Pillai, Chandu Menon, Vaikom Muhammad Basheer, Kesav Dev, Thakazhi Sivasankara Pillai, Ponkunnam Varky, S.K. Pottakkad

PART IV: GENERAL KNOWLEDGE AND CURRENT AFFAIRS (10 Marks)

How to Download Kerala PSC HSST Zoology Syllabus 2025 PDF

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