Tnpsc Science Notes — Physics, Chemistry & Biology

Science forms a core component of the TNPSC General Studies paper at all levels. This section covers Physics (mechanics, electricity, optics, modern physics), Chemistry (periodic table, chemical reactions, acids and bases, organic chemistry basics), Biology (human body systems, plant biology, ecology, disease and nutrition), and Environmental Science. Science & Technology current affairs — including space missions, new discoveries, and government science initiatives — are also covered to help you answer application-level questions in Group 1 and Group 2 exams.

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