TNPSC Group 4 General Science — syllabus & how to prepare
General Science is Unit I of the TNPSC Group 4 General Studies paper, set at SSLC (10th standard) level. It rewards clear fundamentals and everyday-life applications rather than heavy numerical work.
What General Science covers
The main sub-areas within this part of the TNPSC Group 4 General Studies syllabus:
Physics — Nature, Measurement and Laws
Nature of Universe; Measurement of physical quantities; General scientific laws — Motion, Force, Pressure, Energy.
Physics — Everyday Applications
Mechanics in daily life; Electricity in daily life; Magnetism in daily life; Light in daily life; Sound in daily life; Heat in daily life; Nuclear physics in daily life.
Chemistry
Elements and compounds; Acids, bases and salts; Petroleum products; Fertilizers and pesticides; Metallurgy; Food adulterants.
Life Science
Main concepts of life science; Classification of living organisms; Evolution; Genetics; Physiology; Nutrition, health and hygiene; Human diseases.
Environment and Current Tech
Environmental science; Latest inventions in science and technology; Current affairs — Science.
How it's tested
Unit I carries about 5 of the 75 General Studies questions — mostly direct, factual items from school science and its daily-life applications.
How to study it
- Anchor revision in SSLC-standard school science.
- Focus on everyday-life applications — they appear often.
- Test yourself with MCQs after each sub-topic.
This is a study guide to the syllabus area, not the official syllabus itself. Always confirm the current topics and exam pattern in the official TNPSC notification before you prepare.
Practise General Science in the app
ArivoliAI TNPSC Group 4 turns this syllabus into structured lessons, topic-wise quizzes, previous year questions, timed mock tests and audio revision — in Tamil and English.
More TNPSC Group 4 syllabus guides
Geography
Earth, climate, resources, agriculture and disaster management.
History, Culture & National Movement
Indian history, the freedom struggle, leaders and culture.
Indian Polity
The Constitution, rights, government structure and judiciary.
Economy & TN Development
Economy, planning, welfare and Tamil Nadu development.
Tamil Nadu History & Culture
Tamil society, literature, Thirukkural and social reform.
Aptitude & Mental Ability
Numerical aptitude and reasoning — a reliable 25-question section.
