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Dsssb Junior Scientific Assistant (biology) 2026 Free Mock Test Practice
Free Important Questions
Dsssb Junior Scientific Assistant (biology) 2026 Exam Free Online Question Bank
Combo Offers
DSSSB JSA Biology Combo Packages
We Launches Combo Offers ! with Heavy Discount and Cost Saving Prices. Combo Packages includes - Online Mock Test Series + Important Questions or MCQs + Previous Year Papers with Answer.
Combo Package
DSSSB JSA Biology
Combo - 1 (Hindi)
1. Online Mock Test Series in Hindi = 10 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
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Combo Package
DSSSB JSA Biology
Combo - 2 (Hindi)
1. Online Mock Test Series in Hindi = 20 Tests.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
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3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
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Combo Package
DSSSB JSA Biology
Combo - 3 (Hindi)
1. Online Mock Test Series in Hindi = 30 Tests.
2. Question Bank - 3000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 3000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
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Combo Package
DSSSB JSA Biology
Combo - 4 (English)
1. Online Mock Test Series in English = 10 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
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3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹201₹231
Combo Package
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Combo - 5 (English)
1. Online Mock Test Series in English = 20 Tests.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
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3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹261₹291
Combo Package
DSSSB JSA Biology
Combo - 6 (English)
1. Online Mock Test Series in English = 30 Tests.
2. Question Bank - 3000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 3000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹341₹371
Combo Package
DSSSB JSA Biology
Combo - 7 (Hindi)
1. Online Mock Test Series in Hindi = 30 Tests.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹781₹851
Combo Package
DSSSB JSA Biology
Combo - 8 (English)
1. Online Mock Test Series in English = 30 Tests.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
₹781₹851
Combo Package
DSSSB JSA Biology
Combo - 9 (Hindi)
1. Online Mock Test Series in Hindi = 30 Tests.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of DSSSB JSA Biology (1000 MCQ) PDF Format in Hindi.
5. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
6. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of DSSSB JSA Biology (1000 MCQ) PDF Format in Hindi.
5. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
6. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹881₹1041
Combo Package
DSSSB JSA Biology
Combo - 10 (English)
1. Online Mock Test Series in English = 30 Tests.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of DSSSB JSA Biology (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of DSSSB JSA Biology (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
₹881₹1041
DSSSB Junior Scientific Assistant (Biology) Syllabus 2026, Exam Pattern
DSSSB Junior Scientific Assistant (Biology) Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about DSSSB (Delhi Subordinate Service Selection Board) has published notification 2026 for the recruitment of Junior Scientific Assistant (Biology) vacancies. Those Candidates who are Interested to the following vacancy and completed all Eligibility Criteria can read the Notification & Apply Online. In this page we provide the Complete Syllabus of this Recruitment with Latest Update Exam Pattern and the Exam Date also.
DSSSB Junior Scientific Assistant (Biology) Syllabus 2026 - Overview
| Recruitment Board | Delhi Subordinate Services Selection Board (DSSSB) |
| Advertisement No. | 21/26 |
| Department | Forensic Science Laboratory |
| Post Name | Junior Scientific Assistant (Biology) |
| Vacancies | 44 |
| Application Mode | Online |
| Job Location | Delhi |
| Category | Syllabus and Exam Pattern |
| Official Website | https://dsssb.delhi.gov.in |
DSSSB Junior Scientific Assistant (Biology) Syllabus 2026
General Awareness :
1. History
2. Politics
3. Constitution
4. Sports
5. Art and Culture
6. Geography
7. Economics
8. Everyday Science
9. Scientific Research
10. National and international news and updates
General Intelligence and Reasoning Ability :
1. Analogies
2. Similarities and Differences
3. Space Virtualization
4. Problem Analysis and Solving
5. Judgment and Decision Making
6. Visual Memory
7. Observation
8. Relationships and Concepts
9. Arithmetical Reasoning
10. Verbal and Figure Classification
11. Arithmetical Number Series
Arithmetical and Numerical Ability :
1. Simplification
2. Decimals and Fractions
3. HCF and LCM
4. Ratio and Proportions
5. Percentage
6. Average
7. Profit and loss
8. Discount, Simple and Compound Interest
9. Time, Work and Distance
10. Tables and Graphs
Hindi Language and Comprehension :
1. Hindi Vocabulary
2. Hindi Grammar and Sentence
3. Synonyms and Antonyms
English Language and Comprehension :
1. English Vocabulary
2. English Grammar and Sentence
3. Synonyms and Antonyms
4. Understanding passage
5. Conclusion Statements
Concerned Subject (Biology) :
BOTANY
Types of classifications - artificial, natural, phylogenetic. Biosystematics-bionomial nomenclature -herbarium and its uses. Bentham and Hooker's classification of plants. Tissue and tissue systems -anatomy of monocot and dicot roots - anatomy of monocot and dicot stems-anatomy of dicot leaf. Photosynthesis significance site of photosynthesis photochemical and biosynthetic phases -electron transport system, mode of nutrition - autotrophic heterotrophic - saprophytic - parasitic and insectivorous plants chemosynthesis respiration fermentation. Plant growth - growth regulators phytohormones auxins gibberellins cytokinins ethylene and abscisic acid. Photoperiodism and vernalization.
BIOTECHNOLOGY
Recombinant DNA technology transgenic plants and microbes plant tissue culture and its application protoplasmic fusion single cell protein.Structure and function of amino acids, Macromolecules, Evolution of protein structure, Enzyme catalyisis, Michaelis-Menten kinetics, Sugars-mono, di, polysaccharides, Glycoproteins, glycolipids, Lipids, nucleoside, nucleotides&nuclic acids. Brief overview of central dogma. Bioenergetics-basic principles, Glycolytic pathway, Kreb's cycle, Principles of metabolic regulations, Photosynthesis. Chromosomes structure and types genes and genomes - linkage and crossing over-gene mapping-recombination of chromosomes -mutation chromosomal aberrations DNA as genetic material structure of DNA replication of DNA structure of RNA and its types.
BIOCHEMISTRY
Foundation of Biochemistry: Cellular and chemical foundations of life
Water: unique properties, weak Interactions in aqueous systems, ionization of water, buffering action in biological system.
Carbohydrate chemistry: Structure of classification of monosaccharides, disaccharides, and polysaccharides, pentose phosphate pathways.
Lipid Chemistry: Building blocks of lipids - fatty acids, glycerol, ceramide; Structural lipids in membranes-glycerophospholipids, sphingolipids and sterols, Composition and synthesis of lipoproteins and transportation, oxidation of fatty acids, biosynthesis of lipids, cholesterol metabolism.
Protein Chemistry: Structure and classification of amino acids, peptide, polypeptide, Ramachandran plot, protein folding, Primary, Secondary, Tertiary and Quaternary structure of proteins; essential, non-essential and non-standard amino acids.
Nucleic acid chemistry: Structure of purine, pyrimidine, nucleoside & nucleotides, De-Novo synthesis of purine and pyrimidine, degradation of purine and pyrimidine nucleotides, different types of DNA and RNA, Watson-Crick model of DNA, Structure of mRNA, tRNA and rRNA.
Enzyme chemistry: Enzyme definition, basic principle of enzyme action.
ZOOLOGY
Enzyme and enzyme action Drief account of following Dental caries - Root canal therapy -Rones and joints: Fractures Dislocations, Muscles: Rigor mortis Muscle pull (hernia) - Isometric and aerobic exercises (Body building) - Myasthenia gravis. Respiration Process of pulmonary respiration. Exchange of gases at alveolar level Control of respiration. Functioning of heart Origin and conduction of heart beat. Coronary blood vessel and its significance Blood pressure - pulse rate -Blood components Function-Plasma-Corpuscles-Blood clotting-Anticoagulants-Thrombosis-Embolism-blood related diseases like polycythemia, Leukemia - Lymph fluid. Brain- Functioning of different regions, Thyroid, Reproductive Hormones - Problems related to Secretion, Non secretion of Hormones. SKIN. Excretion-Ureotelism-Reproductive system-Brief account of spermatogenesis-Oogenesis Menstrual cycle - Invitro fertilization - Birth control.
MICROBIOLOGY
Introduction - History of Medical Microbiology - The Influence of Pasteur Koch, and Lister virology, Structure, Genetics, Culture and diseases - AIDS and Its control-Bacteriology-Structure, Genetics and diseases - Protozoan microbiology-Disease oriented - Pathogenecity of Micro organism - Anti microbial resistance Chemotherapy. Virology- structure, infection, vaccines, IMMUNOLOGY Innate (Non-specific) Immunity Anatomical barriers Physiological barriers Phagocytic barriers Lymphoidal organs Thymus Bursa of Fabriclus Peripheral Lymphoid Organs Lymph nodes -Spleen Antibodies Immunoglobulins Regions of polypeptide chain Transplantation immunology-Classification of grafts-Genetic basis of organ transplants-Immune system disorder.
GENETICS
Introduction - Scope - Human Genetics karyotyping Chromosome gene mapping, Recombinant DNA technology and segmenting. Genetic Disease, Mendellan and non-Mendelian Inheritance, genetic linkage, recombination and crossing over, chromosomal basis of inheritance, mutagenesis, genetic basis of sex determination, extra-nuclear Inheritance.
Molecular Genetics: Structure of chromatin and chromosomes, Central dogma of molecular biology, replication, transcription, translation, regulation of gene expression: transcriptional, translational and post-translational.
Cell Biology: Membrane models, chemical composition of membrane, membrane proteins, endocytosis, phagocytosis, liposomes and its application. Structure and functions of intracellular organelles such as nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, plastids, peroxisomes.
FORENSIC SCIENCE
FORENSIC SCIENCE: Historical aspects of forensic science. Definitions, scope and concepts in forensic science.Principles and basics of forensic science.Growth of Forensic Science Laboratories in India -Central and State level laboratories. Services and functionalities provided by various Forensic Science Laboratories. Branches of forensic science. Forensic science in India: Organizational set up of forensic science laboratories. Tools and techniques in forensic science.
FORENSIC DNA: History of DNA Typing, human genetics, heredity, alleles, mutations, population genetics, Hardy Weinberg Law, Variations and Polymorphism. Mitosis, meiosis, Cell theory, cell structure and function in eukaryotes. Structure of DNA, functions and its properties, Humangenome, History of DNA fingerprinting, utility of DNA fingerprinting in crime investigation in parentage dispute, wildlife, veterinary and agriculture etc., Legal and Ethical issues. Collection, preservation and transport of samples viz, semen, saliva, hair, bone, flesh etc for DNA profiling, DNA methodology for isolation, typing, interpretation of results, STR analysis, polymerase chain reaction, types and its application, mitochondrial analysis, determination of sex & species and racial origin. Nucleic Acids: Structure and functions, Isolation of DNA and RNA from biological sources. Extraction of DNA from different types of biological samples, DNA extraction methods. Determining quality and quantity of DNA samples; contamination issues. DNA amplification: Principle, Methodology, types of Polymerase Chain Reaction (PCR), PCR inhibitors and solutions, PCK primers and primer designing, applications of PCR in cloning and forensic science. Electrophoretic techniques: Polyacrylamide gel electrophoresis, sodium dodecyl sulphate polyacrylamide gel electrophoresis, Agarose gel electrophoresis, Isoelectric focusing, Capillary electrophoresis.
FORENSIC SEROLOGY: Types and distribution of body fluids: Blood, blood stains, semen, seminal stains, urine (formation, composition, properties); amniotic fluid, sweat (formation, composition, properties); saliva, vaginal fluid, epithelial cells, etc., definition and their analysis and forensic significance. SEROLOGICAL TECHNIQUES: Electrophoresis Methods, Presumptive & Confirmatory Tests for blood, Identification of Blood Properties Blood Grouping
FORENSIC BIOLOGY: Tissues of the body: Epithelia and glands. Classification of epithelia/glands and their functions. Structure of hair, hair cycle-anagen, catagen, telogen. Sebaceous glands, nails, sweat gland. Body Fluids & their stains: Introduction to various types of body flulds, Composition, Physical pattern and Identification of seminal stains: presumptive tests (U.V. test, Florence test, Spermine (Barberio) test, Choline test, Acid Phosphatase test) and confirmatory test including Azoospermic semen stain (p-30, Prostate-specific antigen or PSA, Microscopic examination), Morphological structure of spermatozoa of human and animals, Identification of menstrual blood stains by microscopic, Identification and examination of other body fluids/stains-vaginal, saliva, urine, feces, vomit etc., Secretor and non-secretor. Hair and Fihers: Morphology and Biochemistry of human /animal hair, determination of origin, race, sex and site. Types and identification of Fibers: Man-made and Natural fibers and its Forensic significance. Tools And Techniques: Microscopy-Basic principles and working of simple and compound, comparison, phasecontrast, stereo-zoom, polarizing, Fluorescence, Scanning Electron & transmission electron microscope and U.V. light sources.Immunological techniques: General principles, Precipitin reaction, Gel immune-diffusion, Immuno-electrophoresis, Radio Immuno Assay, ELISA, Immune system, immune response, innate and acquired immunity, antigens, antibodies, Immunoglobulins, raising of anti-sera, Lectins-their forensic significance. Buffers and biological reagents, Methods of sterilization employed for biological work. Planktonic study: Various types of phytoplankton, diatoms and their forensic importance. Different kinds of diatoms and their morphology, Importance of diatom test in drowning cases, history of diatom test, drowning associated diatoms. Precaution in collection, preservation and forwarding of biological samples for diatom test, methods of isolation of diatoms from different body tissue/bone marrow and water sample i.e. drowning medium. Preparation and observation of slides.
Wildlife Forensics: Wildlife, Importance of protected and endangered species of Animals. National and International scenario of wildlife, Sanctuaries and National parks. Relevant provision of wild life and environmental act. Types of wildlife crimes, different methods of poaching of wildlife animals, Illegal Trade of wildlife material, Identification and examination of different kinds of wildlife crime exhibits. Examination of fabricated hides, ivory, nail etc. Identification of Wild life and domestic animal.
Anthropology
Defination, scope & problems, Human Skeleton, Comparative skeletal anatomy of human and non human.
Identification of bones and determination of site: Age determination from skeletal remains:general consideration, classification of bones, suture closure in skull and ossification in other bones. Sex determination from skeletal remains. Estimation of stature from skeletal remains. Personal identification techniques as somatoscopy, somatometry, osteometry & craniometry, their importance in determination of age &sex.Use of somatoscopic & craniometric methods in reconstruction. Calculation of stature from long bones, identification of burnt bones. Recovery of and identification of skeletal remains in accident, crimes and mass disasters, recovery, packing and storage of fleshed and burnt bone remains of human/ animal of forensic importance.
Forensic odontology: Development and scope, roll in mass disaster and anthropology, structural variation in teeth (human and non human), Determination of age from teeth, Gustafson's method
Bite marks: significance, evaluation and legal aspects. History and developments physical/ biological Anthropology, aim, scope and its relationship with allied disciplines. Theories of evolution, classification and characteristics of living primates. Human evolution with respect to hominoid fossil. Fundamentals of Physical Anthropology. Evolutionism.
DSSSB Junior Scientific Assistant (Biology) Exam Pattern 2026
BOTANY
Types of classifications - artificial, natural, phylogenetic. Biosystematics-bionomial nomenclature -herbarium and its uses. Bentham and Hooker's classification of plants. Tissue and tissue systems -anatomy of monocot and dicot roots - anatomy of monocot and dicot stems-anatomy of dicot leaf. Photosynthesis significance site of photosynthesis photochemical and biosynthetic phases -electron transport system, mode of nutrition - autotrophic heterotrophic - saprophytic - parasitic and insectivorous plants chemosynthesis respiration fermentation. Plant growth - growth regulators phytohormones auxins gibberellins cytokinins ethylene and abscisic acid. Photoperiodism and vernalization.
BIOTECHNOLOGY
Recombinant DNA technology transgenic plants and microbes plant tissue culture and its application protoplasmic fusion single cell protein.Structure and function of amino acids, Macromolecules, Evolution of protein structure, Enzyme catalyisis, Michaelis-Menten kinetics, Sugars-mono, di, polysaccharides, Glycoproteins, glycolipids, Lipids, nucleoside, nucleotides&nuclic acids. Brief overview of central dogma. Bioenergetics-basic principles, Glycolytic pathway, Kreb's cycle, Principles of metabolic regulations, Photosynthesis. Chromosomes structure and types genes and genomes - linkage and crossing over-gene mapping-recombination of chromosomes -mutation chromosomal aberrations DNA as genetic material structure of DNA replication of DNA structure of RNA and its types.
BIOCHEMISTRY
Foundation of Biochemistry: Cellular and chemical foundations of life
Water: unique properties, weak Interactions in aqueous systems, ionization of water, buffering action in biological system.
Carbohydrate chemistry: Structure of classification of monosaccharides, disaccharides, and polysaccharides, pentose phosphate pathways.
Lipid Chemistry: Building blocks of lipids - fatty acids, glycerol, ceramide; Structural lipids in membranes-glycerophospholipids, sphingolipids and sterols, Composition and synthesis of lipoproteins and transportation, oxidation of fatty acids, biosynthesis of lipids, cholesterol metabolism.
Protein Chemistry: Structure and classification of amino acids, peptide, polypeptide, Ramachandran plot, protein folding, Primary, Secondary, Tertiary and Quaternary structure of proteins; essential, non-essential and non-standard amino acids.
Nucleic acid chemistry: Structure of purine, pyrimidine, nucleoside & nucleotides, De-Novo synthesis of purine and pyrimidine, degradation of purine and pyrimidine nucleotides, different types of DNA and RNA, Watson-Crick model of DNA, Structure of mRNA, tRNA and rRNA.
Enzyme chemistry: Enzyme definition, basic principle of enzyme action.
ZOOLOGY
Enzyme and enzyme action Drief account of following Dental caries - Root canal therapy -Rones and joints: Fractures Dislocations, Muscles: Rigor mortis Muscle pull (hernia) - Isometric and aerobic exercises (Body building) - Myasthenia gravis. Respiration Process of pulmonary respiration. Exchange of gases at alveolar level Control of respiration. Functioning of heart Origin and conduction of heart beat. Coronary blood vessel and its significance Blood pressure - pulse rate -Blood components Function-Plasma-Corpuscles-Blood clotting-Anticoagulants-Thrombosis-Embolism-blood related diseases like polycythemia, Leukemia - Lymph fluid. Brain- Functioning of different regions, Thyroid, Reproductive Hormones - Problems related to Secretion, Non secretion of Hormones. SKIN. Excretion-Ureotelism-Reproductive system-Brief account of spermatogenesis-Oogenesis Menstrual cycle - Invitro fertilization - Birth control.
MICROBIOLOGY
Introduction - History of Medical Microbiology - The Influence of Pasteur Koch, and Lister virology, Structure, Genetics, Culture and diseases - AIDS and Its control-Bacteriology-Structure, Genetics and diseases - Protozoan microbiology-Disease oriented - Pathogenecity of Micro organism - Anti microbial resistance Chemotherapy. Virology- structure, infection, vaccines, IMMUNOLOGY Innate (Non-specific) Immunity Anatomical barriers Physiological barriers Phagocytic barriers Lymphoidal organs Thymus Bursa of Fabriclus Peripheral Lymphoid Organs Lymph nodes -Spleen Antibodies Immunoglobulins Regions of polypeptide chain Transplantation immunology-Classification of grafts-Genetic basis of organ transplants-Immune system disorder.
GENETICS
Introduction - Scope - Human Genetics karyotyping Chromosome gene mapping, Recombinant DNA technology and segmenting. Genetic Disease, Mendellan and non-Mendelian Inheritance, genetic linkage, recombination and crossing over, chromosomal basis of inheritance, mutagenesis, genetic basis of sex determination, extra-nuclear Inheritance.
Molecular Genetics: Structure of chromatin and chromosomes, Central dogma of molecular biology, replication, transcription, translation, regulation of gene expression: transcriptional, translational and post-translational.
Cell Biology: Membrane models, chemical composition of membrane, membrane proteins, endocytosis, phagocytosis, liposomes and its application. Structure and functions of intracellular organelles such as nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, plastids, peroxisomes.
FORENSIC SCIENCE
FORENSIC SCIENCE: Historical aspects of forensic science. Definitions, scope and concepts in forensic science.Principles and basics of forensic science.Growth of Forensic Science Laboratories in India -Central and State level laboratories. Services and functionalities provided by various Forensic Science Laboratories. Branches of forensic science. Forensic science in India: Organizational set up of forensic science laboratories. Tools and techniques in forensic science.
FORENSIC DNA: History of DNA Typing, human genetics, heredity, alleles, mutations, population genetics, Hardy Weinberg Law, Variations and Polymorphism. Mitosis, meiosis, Cell theory, cell structure and function in eukaryotes. Structure of DNA, functions and its properties, Humangenome, History of DNA fingerprinting, utility of DNA fingerprinting in crime investigation in parentage dispute, wildlife, veterinary and agriculture etc., Legal and Ethical issues. Collection, preservation and transport of samples viz, semen, saliva, hair, bone, flesh etc for DNA profiling, DNA methodology for isolation, typing, interpretation of results, STR analysis, polymerase chain reaction, types and its application, mitochondrial analysis, determination of sex & species and racial origin. Nucleic Acids: Structure and functions, Isolation of DNA and RNA from biological sources. Extraction of DNA from different types of biological samples, DNA extraction methods. Determining quality and quantity of DNA samples; contamination issues. DNA amplification: Principle, Methodology, types of Polymerase Chain Reaction (PCR), PCR inhibitors and solutions, PCK primers and primer designing, applications of PCR in cloning and forensic science. Electrophoretic techniques: Polyacrylamide gel electrophoresis, sodium dodecyl sulphate polyacrylamide gel electrophoresis, Agarose gel electrophoresis, Isoelectric focusing, Capillary electrophoresis.
FORENSIC SEROLOGY: Types and distribution of body fluids: Blood, blood stains, semen, seminal stains, urine (formation, composition, properties); amniotic fluid, sweat (formation, composition, properties); saliva, vaginal fluid, epithelial cells, etc., definition and their analysis and forensic significance. SEROLOGICAL TECHNIQUES: Electrophoresis Methods, Presumptive & Confirmatory Tests for blood, Identification of Blood Properties Blood Grouping
FORENSIC BIOLOGY: Tissues of the body: Epithelia and glands. Classification of epithelia/glands and their functions. Structure of hair, hair cycle-anagen, catagen, telogen. Sebaceous glands, nails, sweat gland. Body Fluids & their stains: Introduction to various types of body flulds, Composition, Physical pattern and Identification of seminal stains: presumptive tests (U.V. test, Florence test, Spermine (Barberio) test, Choline test, Acid Phosphatase test) and confirmatory test including Azoospermic semen stain (p-30, Prostate-specific antigen or PSA, Microscopic examination), Morphological structure of spermatozoa of human and animals, Identification of menstrual blood stains by microscopic, Identification and examination of other body fluids/stains-vaginal, saliva, urine, feces, vomit etc., Secretor and non-secretor. Hair and Fihers: Morphology and Biochemistry of human /animal hair, determination of origin, race, sex and site. Types and identification of Fibers: Man-made and Natural fibers and its Forensic significance. Tools And Techniques: Microscopy-Basic principles and working of simple and compound, comparison, phasecontrast, stereo-zoom, polarizing, Fluorescence, Scanning Electron & transmission electron microscope and U.V. light sources.Immunological techniques: General principles, Precipitin reaction, Gel immune-diffusion, Immuno-electrophoresis, Radio Immuno Assay, ELISA, Immune system, immune response, innate and acquired immunity, antigens, antibodies, Immunoglobulins, raising of anti-sera, Lectins-their forensic significance. Buffers and biological reagents, Methods of sterilization employed for biological work. Planktonic study: Various types of phytoplankton, diatoms and their forensic importance. Different kinds of diatoms and their morphology, Importance of diatom test in drowning cases, history of diatom test, drowning associated diatoms. Precaution in collection, preservation and forwarding of biological samples for diatom test, methods of isolation of diatoms from different body tissue/bone marrow and water sample i.e. drowning medium. Preparation and observation of slides.
Wildlife Forensics: Wildlife, Importance of protected and endangered species of Animals. National and International scenario of wildlife, Sanctuaries and National parks. Relevant provision of wild life and environmental act. Types of wildlife crimes, different methods of poaching of wildlife animals, Illegal Trade of wildlife material, Identification and examination of different kinds of wildlife crime exhibits. Examination of fabricated hides, ivory, nail etc. Identification of Wild life and domestic animal.
Anthropology
Defination, scope & problems, Human Skeleton, Comparative skeletal anatomy of human and non human.
Identification of bones and determination of site: Age determination from skeletal remains:general consideration, classification of bones, suture closure in skull and ossification in other bones. Sex determination from skeletal remains. Estimation of stature from skeletal remains. Personal identification techniques as somatoscopy, somatometry, osteometry & craniometry, their importance in determination of age &sex.Use of somatoscopic & craniometric methods in reconstruction. Calculation of stature from long bones, identification of burnt bones. Recovery of and identification of skeletal remains in accident, crimes and mass disasters, recovery, packing and storage of fleshed and burnt bone remains of human/ animal of forensic importance.
Forensic odontology: Development and scope, roll in mass disaster and anthropology, structural variation in teeth (human and non human), Determination of age from teeth, Gustafson's method
Bite marks: significance, evaluation and legal aspects. History and developments physical/ biological Anthropology, aim, scope and its relationship with allied disciplines. Theories of evolution, classification and characteristics of living primates. Human evolution with respect to hominoid fossil. Fundamentals of Physical Anthropology. Evolutionism.
DSSSB Junior Scientific Assistant (Biology) Exam Pattern 2026
Duration : 120 Minutes
Negative Marking : 0.25
| Section | Subject | No.of Question | Marks |
| Section A | General Awareness | 20 | 20 |
| General Intelligence & Reasoning Ability | 20 | 20 | |
| Arithmetical & Numerical Ability | 20 | 20 | |
| Test of Hindi Language & Comprehension | 20 | 20 | |
| Test of English Language & Comprehension | 20 | 20 | |
| Section B | Concerned Subject (Biology) | 100 | 100 |
| Total | 200 | 200 |
Exam Date : 12th November 2026
Starting Date of Application Form : 16th June 2026
Last Date of Application Form : 15th July 2026
Total Post : 44
Total Post : 44
FAQs
Dsssb Junior Scientific Assistant (biology) 2026 Exam Syllabus Frequently Asked Questions (FAQ's)
Here at Toppersexam.com , you can practice a complete set of Imporatnt Questions (MCQ) along with a Free DSSSB JSA Biology MCQ designed by our expert faculty.
In this article Page, we have provided the required syllabus of the DSSSB JSA Biology exam.
Being familiar with DSSSB JSA Biology Exam Pattern will help you understand the types of questions asked, difficulty level of the exam and important topics that require your keen attention. It will also acquaint you with the marking scheme and time allotted to each Topics.
DSSSB JSA Biology syllabus pdf download option is available here which will help you to get the PDF saved in your device that you can access anytime. It consists of a complete syllabus of DSSSB JSA Biology which you can refer to while preparing for the exams.
DSSSB JSA Biology exam is not tough but it depends on your preparation. The candidates find the Subject not challenging. The dedicated preparation in the right direction will undoubtedly take you towards the goal.
The candidates must be well versed and acquainted with the syllabus and the exam pattern. Select the areas where improvement is required and schedule your preparation accordingly. To ace this exam, the applicants ought to maintain speed with high accuracy. Practicing previous years question papers will help you understand the exam pattern and the level of difficulty of the exam. You need to hone your strengths and improve upon your weaknesses. Toppersexam.com will aid you through the preparation and drive you to success. At Toppersexam.com, you can practice a complete set of test series along with a free DSSSB JSA Biology mock test designed by our expert faculty.
The syllabus of DSSSB JSA Biology Exam includes all topics that are important for the exam and are necessary for thorough preparation. Toppersexam provides a complete and updated syllabus with a detailed topic-wise breakdown.
You can download the complete DSSSB JSA Biology Exam syllabus PDF from toppersexam.com. The PDF is available free and includes a detailed list of topics, section-wise subjects, and weightage for better exam preparation.
Yes, DSSSB JSA Biology Exam has a topic-wise syllabus that includes all relevant subtopics. Toppersexam provides the detailed breakdown, helping candidates focus on high-weightage areas and avoid missing important sections.
Toppersexam ensures that the DSSSB JSA Biology syllabus is updated for 2026. The latest syllabus reflects current exam trends, question patterns, and updated topics as per official notifications.
The DSSSB JSA Biology Exam pattern includes details like the number of sections, total questions, marks distribution, and exam duration. Toppersexam provides a comprehensive guide on exam format, marking scheme, and question types.
Yes, the majority of questions in DSSSB JSA Biology Exam are MCQs. Toppersexam provides practice MCQs with answers to help candidates understand the question pattern and improve accuracy.
Yes, questions are divided section-wise. Toppersexam provides a clear guide on how many questions are asked per section and their difficulty level for effective preparation.
Yes, Toppersexam offers online mock tests that strictly follow the DSSSB JSA Biology Exam pattern. These mocks help candidates practice time management and get real-exam experience.
Yes, exam patterns can change over time. Toppersexam provides updated information on the latest exam pattern, question types, and section-wise changes.
Understanding the exam pattern is crucial for time management, question prioritization, and strategy planning. Toppersexam guides candidates on how to use the pattern effectively to maximize scores.
Start by dividing the syllabus into sections and prioritizing high-weightage topics. Toppersexam provides a preparation strategy, along with topic-wise tips and sample questions to make syllabus analysis easier.
Yes, focusing on high-weightage topics improves efficiency. Toppersexam highlights important topics, helping candidates prioritize sections for better performance.
Toppersexam provides a free downloadable PDF that includes both the syllabus and detailed exam pattern. This helps candidates study offline and revise efficiently.