TNPSC JSO Syllabus and Exam Pattern 2023

28 Apr 2023

TNPSC JSO Syllabus and Exam Pattern 2023

TNPSC Junior Scientific Officer Notification, Syllabus, Exam Pattern, and Other Important Details 2023:

Tamil Nadu Public Service Commission (TNPSC) has given an employment notification for the recruitment of 31 Junior Scientific Officers in the Tamil Nadu Forensic Sciences Subordinate Service. Candidates with an M.Sc. Degree in a relevant stream looking for TNPSC Junior Scientific Officer check the Official notification @ www.tnpsc.gov.in or you can see it below. Eligible candidates can apply online directly and also see the TNPSC JSO Exam Pattern, Syllabus, Education Qualification, Selection Process, and Important details below. Check the complete TNPSC JSO Syllabus both in Tamil & English before preparing for Written Examination. See TNPSC JSO Syllabus and Exam Pattern 2023 below:

TNPSC JSO Paper I Syllabus for Forensic Science, Biology, Physics, Chemistry, and Computer Science – all the questions based on PG Degree Standard. TNPSC JSO Paper II Syllabus is based on Tamil Eligibility Test & General Studies. Check the complete JSO Syllabus below both in text and in PDF format. Interested candidates check the complete syllabus and exam pattern of JSO below and also download the same. See the TNPSC JSO Exam Pattern and Syllabus PDF Tamil and English below:



Important Details for TNPSC Junior Scientific Officer Recruitment 2023:

Below is the Tamil Nadu Public Service(TNPSC) recruitment below.

Important Dates for TNPSC JSO Job 2023:

  • Date of Notification: 27-04-2023
  • Starting Date for Submission of Application: 27-04-2023
  • Last Date for Submission of Application: 26-05-2023
  • Application Correction Window Period: From 02.06.2023-12.01 A.M to 04.06.2023-11.59 P.M
  • Date & Time Written Examination
    Paper – I(Subject Paper) (PG Degree Standard ): 23-07-2023 F.N. 09.30 A.M. to 12.30 P.M
    Paper – II PART A: Tamil Eligibility cum Scoring Test (SSLC Standard) and
    PART B: General Studies (Degree Standard): 23-07-2023 A.N. 02.30 P.M. to 05.30 P.M

To see the complete Notification of TNPSC JSO Recruitment, check the link – TNPSC JSO Recruitment 2023

TNPSC JSO Exam Pattern:

TNPSC JSO Selection is based on a Written Examination (Objective Type) (Computer Based Examination)

– Written Examination is of Paper-I (PG Degree Standard) and Paper-II: Part A (Tamil Eligibility Test) & Part B (General Studies)

TNPSC JSO Paper I Syllabus for Forensic Science, Biology, Physics, Chemistry & Computer Science and TNPSC JSO Paper II Syllabus – Tamil Eligibility Test & General Studies is given below

TNPSC JSO Exam Pattern 2023

Junior Scientific Officer Paper I Syllabus 2023:

The complete syllabus for JSO in Tamil and English is given below. See the full TNPSC JSO Paper I Syllabus below:

Paper I – Syllabus: Forensic Science (PG Degree Standard)

Unit- I:
Forensic Science – Definition – Development of Forensic Science in India – Organization and Functions of Forensic Laboratory

Unit- II:
Physical evidence – their classification and significance – Locard’s Principle of exchange- class and individual characteristics.
Crime Scene examinations – documentation of crime scene- recognition, collection, preservation and transportation of physical evidence for laboratory examinations. Fundamentals of photography – crime scene photography

Unit – III:
Foot and tyre impressions – Walking pattern – Recording and examination of footprints and tyre prints. Fingerprints – Fundamental principles – Fingerprint patterns – classification of fingerprints – methods of development of latent fingerprints.

Unit- IV:
Tool marks – identification – restoration of filed off/erased marks – Detection of counterfeit coins and currency. Firearms, Bullet and cartridge case identification – pellets and wads – Range of firing.




Unit- V:
Fire and arson – Natural fires – Arson – Accelerants – Combustible properties of flammable substances.
Explosives – Classification of explosive substances – Combustion, detonation and explosion – Effectsof explosion – Military and industrial explosives – Improvised explosive devices – Explosive residues -Residues examination.

Unit- VI:
Questioned documents, identification of handwriting, typewriter and forged signatures – Erasures and alterations on documents and their detection

Unit – VII:
Broken glass – glass fractures – direction of force – backward fragmentation – comparison of glass fragments. Forensic examination of soil and paints, Theory and practice of polygraph and voice identification

Unit – VIII:
Toxicology – classification and mode of action of poisons – narcotic drugs – alcoholic beverages – isolation and identification of poisons, drugs and alcohol

Unit – IX:
Examination of biological fluids – blood, seminal and saliva stains – forensic characterization of the above stains – stain patterns of the blood, Examination of fibres, hair, bones, teeth, and skull – Fundamental of DNA typing.

Unit – X:
Instrumental methods of organic analysis – principles of chromatography, spectrophotometry, and mass spectrometry.
Instrumental methods of inorganic analysis – Principles of emission and atomic absorption spectra – X-ray diffraction – Neutron activation analysis.

For other Paper I JSO Syllabus check the link:

TNPSC Junior Scientific Officer Paper II Syllabus:

Part A: கட்டாயத் தமிழ்மொழித் தகுதித் தேர்விற்கான பாடத்திட்டம் (கொள்குறிவினாவிற்கான தலைப்புகள்)
பத்தாம் வகுப்புத் தரம்

Part B: General Studies (Degree Standard)
(Topics for Objective Type)

1. General Science
2. Current Events
3. Geography
4. History and Culture of India
5. Indian Polity
6. Indian Economy
7. Indian National Movement
8. History, Culture, Heritage, and Socio-Political Movements of Tamil Nadu
9. Development Administration in Tamil Nadu
10. Aptitude & Mental Ability Tests

To see the complete TNPSC Junior Scientific Officer Paper I & Paper II Syllabus PDF Download, check the link – TNPSC JSO Syllabus PDF



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