General science (NCERT Class 6–10 level)

A large scoring block in railway exams (RRB NTPC, Group D, ALP, Technician), and part of SSC, defence, CTET, NDA and state exams. See the overlap map.

What it covers

• Physics: motion, force, work and energy, light, sound, electricity, magnetism.
• Chemistry: matter, atoms and molecules, acids, bases and salts, metals and non-metals, carbon compounds.
• Biology: cells, tissues, human body systems, nutrition, diseases, heredity, environment.

Free resources

• NCERT Science, Class 6–10 (the syllabus most of these exams draw from): https://ncert.nic.in/textbook.php
• NIOS Secondary Science and Technology: https://www.nios.ac.in
• Khan Academy science courses: https://www.khanacademy.org/science

How to practise

Read the NCERT chapters in order from Class 6 to 10 and make one-page notes per chapter. Most questions test a definition, a unit, an example or a simple numerical, and all of these come straight from those chapters.