Science for Competitive Exams – One Stop Solution

general science notes for competitive exams by bachchantop.com

Science is a common and scoring subject in almost all competitive examinations in India. This page is designed as a single, reliable platform where aspirants can prepare Physics, Chemistry, and Biology for exams like UPSC, SSC, VYAPAM, RRB, and other state-level government examinations.

All content on this page is NCERT-based, concept-focused, and revision-friendly, suitable for beginners as well as repeat aspirants.


📘 Exams Covered on This Page

  • UPSC (Prelims – General Science)
  • SSC (CGL, CHSL, MTS, GD)
  • VYAPAM / MPPSC & State Exams
  • RRB (NTPC, Group D, ALP)
  • Other Government Job Exams

🔬 Science Syllabus Overview (Common for All Exams)

The science syllabus of most competitive exams overlaps. Topics are generally taken from Class 6 to Class 10 NCERT level.

This page covers all important and repeatedly asked topics.


Physics questions are usually concept-based and application-oriented.

Important Physics Topics

How to Prepare Physics

  • Understand basic definitions
  • Remember important formulas
  • Focus on daily life examples
  • Practice numerical-based MCQs

Chemistry is mostly factual and scoring, especially in SSC, RRB, and VYAPAM exams.

Important Chemistry Topics

  • Matter & Its States
  • Physical & Chemical Changes
  • Acids, Bases & Salts
  • Metals & Non-Metals
  • Carbon & Its Compounds
  • Combustion & Fuels
  • Chemical Reactions
  • Everyday Chemistry (soap, detergent, cement, fertilizer)

How to Prepare Chemistry

  • Learn definitions and examples
  • Remember chemical names & uses
  • Focus on reactions used in daily life
  • Revise one-liners regularly

Biology has the maximum weightage in most exams and is considered the most scoring section.

Important Biology Topics

  • Cell: Structure & Functions
  • Tissues
  • Human Digestive System
  • Respiratory System
  • Circulatory System
  • Excretory System
  • Nutrition & Deficiency Diseases
  • Reproduction (basic level)
  • Plant Physiology
  • Environment & Ecology

How to Prepare Biology

  • Read NCERT line by line
  • Focus on diagrams & keywords
  • Learn diseases, causes & prevention
  • Revise environment-related topics frequently

  • ✔ Covers all major exams together
  • ✔ Based on NCERT & standard sources
  • ✔ Short, simple & exam-focused content
  • ✔ Useful for revision and quick study
  • ✔ Suitable for English & Hindi medium students
  • ✔ Completely free and accessible

  • Beginners starting science preparation
  • Students preparing for multiple exams
  • SSC / RRB aspirants looking for quick revision
  • UPSC Prelims aspirants for General Science
  • State government exam candidates

  1. Start with Biology, then Chemistry, then Physics
  2. Revise important definitions daily
  3. Practice MCQs after each topic
  4. Focus on repeated exam questions
  5. Use this page for last-minute revision

  • Topic-wise detailed notes
  • Science MCQs with answers
  • Previous year question analysis
  • Hindi + English bilingual notes
  • Printable short notes PDFs

⚠️ Disclaimer

This content is prepared strictly for educational purposes based on NCERT textbooks and publicly available academic sources.
Bachchantop.com is not affiliated with UPSC, SSC, RRB, VYAPAM, or any government organization.



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