Science

Search Your Topic

S.No. Title Read Article
No Data Found!

UPSC QEP 2026 Batch 5 - English
UPSC QEP 2026 Batch 5 - English
Buy now View Details
Submit Your Details to Learn More
I agree to give my consent to receive updates through SMS/Email & WhatsApp*.

NEEV GS + CSAT Foundation 2026/27
NEEV GS + CSAT Foundation 2026/27
Buy now View Details



UPSC Science NCERT Notes 2025-26 Download

UPSC Science NCERT Notes 2025-26 are specifically crafted by theIAShub to help you prepare the science and technology concepts easily and effectively. These NCERT notes break down all the complex topics into simple points and link them with the current events and developments, leading to a smooth exam-focused approach to the UPSC CSE. theIAShub’s UPSC Science NCERT Notes 2025-26 provide all the important study material for the UPSC GS Paper III in one place, making them the perfect UPSC CSE companion. 

Start your UPSC Prelims and Mains preparation with theIAShub’s UPSC Science NCERT Notes 2025-26. These NCERT Notes offer a concise, syllabus-aligned, and exam-oriented approach to enhance your score in the Science section of the UPSC CSE.

Also Read: UPSC Agriculture Notes for Prelims 2025-26

Why Use UPSC Science NCERT Notes 2025-26?

The science section of the UPSC GS paper III is one of the important and high-scoring sections, due to which it is essential to prepare this section thoroughly and with the right study materials. theIAShub’s UPSC Science NCERT Notes 2025-26 offer a clear and sequence-wise analysis of science-based topics in detail. These Science NCERT Notes 2025-26 are integrated with the latest case studies, flowcharts, model answers for analytical writing, and previous year questions. 

  • Syllabus-Focused: These UPSC Science NCERT Notes 2025-26 cover the most important topics from Class 6 to 12 NCERT books, matching what you need for both Prelims and Mains (GS Paper III).
  • Easy to Understand: theIAShub’s NCERT notes simplify the complex topics and help you connect static knowledge with current events and answer Mains questions better.
  • Well-Organised: The topics are broken down into short, clear points with bullet points, charts, and tables to make last-minute revision quick and easy.
  • Updated and Relevant: The notes are regularly updated with the latest scientific discoveries, government programs, and important current issues related to the exam.
  • Exam-Based: The NCERT notes include reappearing topics, with facts and points that help you answer both MCQs in Prelims and detailed questions in Mains.

Also Read: UPSC Science and Technology Notes 2025-26

Features of UPSC Science NCERT Notes 2025-26

The UPSC Science NCERT Notes 2025-26 are carefully prepared by the expert faculty of theIAShub to provide you with study material that is rich in knowledge and visual tools such as diagrams, tables, flowcharts, and highlighted keywords. In addition to the features mentioned above, the UPSC Science NCERT Notes 2025-26 by theIAShub offer the following features as well:

  • Coverage of all fundamental science concepts (Physics, Chemistry, Biology, Environment).
  • Detailed explanations about each subject along with real-life applications and diagrams.
  • Integration of static concepts with current developments in science and technology.
  • These NCERT Notes are crafted for both beginners and advanced aspirants.
  • These Science NCERT notes 2025-26 can be used for both Prelims and Mains preparation.
  • theIAShub NCERT Notes also carry previous-year questions (PYQs) to practice from.

Also Read: UPSC Indian Polity Notes 2025-26

Syllabus Breakdown in UPSC Science NCERT Notes 2025-26

theIAShub’s UPSC Science NCERT Notes 2025-26 provide study resources based on the UPSC Mains syllabus. It covers the Prelims and Mains exam-based subjects, such as Physics, Chemistry, Biology, and Environmental Science, along with the key topics from Class 6 to 12 NCERT books. Each of these subjects is explored in detail and is simplified so that it's easy to understand and learn from.

S.No.

Subjects

Topics Covered

1

Physics

Motion, Force, Work & Energy; Sound, Light; Electricity & Magnetism; Thermodynamics; Modern Physics (Atoms, Nuclei); Space and Astronomy

2

Chemistry

Basic Chemistry Concepts; Periodic Table & Properties; Chemical Reactions; Acids, Bases & Salts; Organic Chemistry Basics; Environmental Chemistry

3

Biology

Cell Structure & Function; Human Physiology; Genetics & Evolution; Plant Physiology; Biodiversity & Conservation; Health & Diseases

4

Environmental Science

Ecosystems & Biodiversity; Pollution & Control Measures; Climate Change; Natural Resources; Sustainable Development; Government Initiatives & Policies

Also Read: UPSC Constitution Notes 2025–26

UPSC Science NCERT Notes 2025-26 Advantage

The UPSC Science NCERT Notes 2025-26 are designed according to the UPSC Mains syllabus and are regularly updated with the latest scientific advancements and exam trends. theIAShub’s Science NCERT Notes 2025-26 help you prepare the science section of the UPSC GS Paper III, smartly and confidently for both Prelims and Mains along with the interview stage. The UPSC Science NCERT Notes 2025-26 offer a wide variety of advantages, some of them are as follows: 

  • theIAShub’s NCERT Notes are trusted across India for clarity and precision.
  • Faculty with real exam experience and toppers’ insights.
  • Blended learning by combining NCERTs, current affairs, and practice questions.
  • Focused short summaries for last-minute Prelims and Mains prep.

Also Read: UPSC Modern History Notes 2025-26

Empower your UPSC Civil Services Examination preparation with UPSC Science NCERT Notes 2025-26 by theIAShub. These Science NCERT Notes are equipped with all the essentials that will help you score better in the Science section of the UPSC Prelims and Mains. The UPSC Science NCERT Notes 2025-26 carry certain visual tools such as diagrams, flowcharts, tables and summary boxes to help you with better revision and retention. 

Go through the UPSC Science NCERT Notes 2025-26 by theIAShub and start with a comprehensive and accurate study resource to enhance your performance in the UPSC GS Paper III.

UPSC Science NCERT Notes 2025 FAQs

The UPSC Science NCERT Notes 2025-26 are a strong foundation, especially for Prelims and basic Mains answers. You should supplement these NCERT notes with theIAShub’s UPSC Science Mains Notes for stronger preparation.

Yes, theIAShub notes start from the basics and are designed to be accessible for aspirants from all backgrounds.

They comprehensively cover Physics, Chemistry, Biology, and Environmental Science topics from Class 6 to 12 NCERTs, aligned with the UPSC Prelims and Mains syllabus.

Regularly, theIAShub provides the most recently updated UPSC Science NCERT Notes 2025-26, including case studies and recent question trends.

theIAShub’s UPSC Science NCERT Notes 2025-26 focus on UPSC-specific requirements such as point-wise clarity, easy revision, and continuous updates as per exam trends.

Join theIAShub’s Mains Answer Writing Program

Refine your answer writing skills and elevate your UPSC preparation with personalized support and expert feedback.

Fill out the form to get started with the program or any other enquiries !

I agree to give my consent to receive updates through SMS/Email & WhatsApp*.

Best IAS Coaching In Delhi, UPSC Online & Offline Classes by IAShub

Are you dreaming of becoming an IAS officer? Then, IAShub can be your best guide. It is one of the Best IAS Coaching in Delhi. Many students who want to clear the UPSC exam join IAShub for learning. The institute gives both online and offline classes. Their teachers are experienced and helpful. They easily explain every topic. Students also get notes, tests, and tips to do well in the exam.

UPSC Online Classes by IAShub

IAShub is in Delhi and is trusted by many UPSC students. It offers coaching for every part of the UPSC exam – Prelims, Mains, and Interview. The classes are simple and easy to understand. The teachers are experts and guide students in the right way. IAShub is also known for its helpful notes, test series, and answer-writing practice. IAShub is the best coaching in Delhi and also gives UPSC Online Classes. This helps students from any place in India to learn. The online classes are live and also recorded. So, students can watch them anytime. These classes cover the full UPSC syllabus.

Key Offerings Provided by IAShub

Here are some important services provided by IAShub:

  • UPSC Prelims: IAShub teaches for Prelims with a focus on basics. It also gives daily current affairs and monthly magazines.
  • Classroom Courses: IAShub has classroom learning for students in Delhi. The environment is good and peaceful for study.
  • Live Classes: Students who live far can join live UPSC online classes. These classes are just like real classes.
  • QEP for Mains: The Quality Enrichment Program (QEP) is special for Mains preparation. It helps students write better and faster.
  • Answer Writing: Regular answer writing practice is given. Teachers also check answers and give tips to improve.
  • Free Resource: IAShub gives free notes by toppers and helpful Main Booster material.
  • Test Series: Test series are available for every subject. These help students know their weak points and improve.
  • Interview Guidance Session: IAShub also gives interview practice sessions with experts. These help students feel confident.

UPSC Exam Overview

The UPSC Civil Services Exam has three parts:

  • Prelims: It has two papers: General Studies and CSAT.
  • Mains: It has nine papers, including essays and optional subjects.
  • Interview: It tests the personality and confidence of the student.

This exam is tough, but with the right guidance, it becomes easy to manage. Students must study smart and stay regular.

How IAShub Helps in the UPSC Journey

IAShub supports students from the beginning to the end. It gives the right books, tests, and notes. The classes are easy to follow, and the teachers are always ready to help. Students get personal doubt sessions too. The test series and answer checking help students learn where they need to do better. Also, free study materials save time and money.
IAShub also guides students during the final stage – the interview. Experts take mock interviews and give useful tips. This full support makes IAShub one of the best IAS coaching in Delhi.

Best IAS Coaching In Delhi FAQs

Yes, IAShub offers live and recorded online classes. Students can attend from any part of India.

Classes are available in both English and Hindi, so students can choose the language they are comfortable with.

The classroom centre is located in Delhi. Students can visit and join offline batches there.

IAShub gives interview guidance sessions to help students prepare for the final round of UPSC.