Railway Group D Science Important Topics | Physics, Chemistry & Biology VVI

Important questions are asked every year from the Science section in the Railway Group D exam. This topic covers all the VVI (Very Very Important) chapters of Physics, Chemistry, and Biology in simple language. Topics such as motion, force, work and energy, heat, electricity, chemical reactions, acids-bases-salts, metals-nonmetals, human body, cells, nutrition, diseases, and environment are covered here. This material is extremely useful for the Railway Group D 2025-26 exam and will help you score well in the exam.