KCET Chapterwise Weightage: Subject-Wise Important Topics & Marks Distribution

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The KCET 2026 exam is one of the most competitive state-level exams for engineering, pharmacy, and agriculture aspirants in Karnataka. The KCET exam is conducted by KEA every year to test your knowledge in Physics, Chemistry, Mathematics, and Biology.

Understanding the KCET 2026 chapter-wise weightage will help you focus on the main areas that are high-scoring and important. Understanding the high-scoring topics and managing the revision time effectively will help you strengthen your weaker areas. In this article, we'll discuss the detailed breakdown of the subject-wise weightage and important chapters based on previous years' KCET papers and the official PUC syllabus.

Overview of KCET 2026 and Exam Pattern

Exam Name: Karnataka Common Entrance Test (KCET)
Conducting Body: Karnataka Examinations Authority (KEA)
Mode of Exam: Offline (Pen-and-paper based)
Subjects: Physics, Chemistry, Mathematics/Biology
Syllabus: Based on the 1st and 2nd PUC (Class 11 & 12) syllabus prescribed by the Department of Pre-University Education, Karnataka.

The KCET 2026 exam pattern is as follows:

Overview of KCET 2026 and Exam Pattern
Subject	Total Questions	Marks	Duration
Physics	60	60	80 minutes
Chemistry	60	60	80 minutes
Mathematics / Biology	60	60	80 minutes
Total	180	180	4 hours (approx.)

KCET 2026 Chapter-wise Weightage (Physics, Chemistry, Mathematics & Biology)

The KCET chapter-wise weightage 2026 for all three exams is figured out by analysing the previous year's trends. The KCET chapter-wise weightage for Physics, Chemistry, Biology, and Mathematics based on the previous five years' question paper analysis is as follows:

KCET 2026 Chapter-wise Weightage (Physics, Chemistry, Mathematics & Biology)
Subject	Chapter (PUC I & II)	Approx. Weightage	Expected Questions
Physics	Current Electricity	7–8%	4–5
	Laws of Motion	6–7%	3–4
	Ray & Wave Optics	8–9%	5–6
	Thermodynamics	6–7%	3–4
	Modern Physics (Atoms & Nuclei)	8–9%	5–6
	Electrostatics	6–7%	3–4
	Magnetic Effects of Current	5–6%	3
	Work, Power, and Energy	4–5%	2–3
	Alternating Current	4–5%	2–3
	Semiconductor Devices	5–6%	3–4
	Waves and Oscillations	5%	2–3
	Others (Units, Dimensions, Motion in 2D, etc.)	10–12%	6–7
Chemistry	Chemical Kinetics	7–8%	4–5
	Thermodynamics	6–7%	3–4
	Electrochemistry	7–8%	4–5
	Coordination Compounds	6–7%	3–4
	Organic Compounds Containing Nitrogen	5–6%	3
	Alcohols, Phenols, and Ethers	6–7%	3–4
	P-block Elements	8–9%	5–6
	Solutions & Colligative Properties	5–6%	3
	Equilibrium	6–7%	3–4
	Hydrocarbons	4–5%	2–3
	Atomic Structure & Periodicity	4–5%	2–3
	Others (Environmental Chemistry, Redox, etc.)	10–12%	6–7
Mathematics	Relations and Functions	6–7%	3–4
	Matrices and Determinants	7–8%	4–5
	Probability	6–7%	3–4
	Vector Algebra	6–7%	3–4
	3D Geometry	6–7%	3–4
	Limits, Continuity & Differentiability	7–8%	4–5
	Differential Equations	5–6%	3
	Integration	7–8%	4–5
	Complex Numbers	5–6%	3
	Coordinate Geometry (Lines, Circles, Parabolas)	8–9%	5–6
	Trigonometric Functions & Identities	5–6%	3
	Statistics	4–5%	2–3
	Others (Sets, Logic, Sequences)	10–12%	6–7
Biology	Cell: Structure and Function	6–7%	3–4
	Human Physiology	9–10%	6
	Genetics and Evolution	8–9%	5–6
	Plant Physiology	7–8%	4–5
	Ecology and Environment	6–7%	3–4
	Reproduction (Plants & Animals)	7–8%	4–5
	Biotechnology and Its Applications	5–6%	3
	Diversity of Living Organisms	5–6%	3
	Cell Cycle and Cell Division	4–5%	2–3
	Human Health and Diseases	5–6%	3
	Others (Microbes, Enhancement Strategies)	10–12%	6–7

KCET 2026 Important Topics for Each Subject

Here’s a quick look at the most important KCET 2026 topics from each subject:

KCET 2026 Important Topics for Each Subject
Subject	High-Weightage Topics
Physics	Current Electricity, Optics, Thermodynamics, Modern Physics
Chemistry	Chemical Kinetics, Electrochemistry, Coordination Compounds, P-block Elements
Mathematics	Integration, Probability, Matrices, Coordinate Geometry
Biology	Genetics, Human Physiology, Ecology, Reproduction

KCET 2026 Preparation Tips Based on Chapter Weightage

Focus on high-weightage topics first: Make sure you're prioritising chapters that have been consistently asked in the past few years' question papers. During your prep, focus on high-weightage topics first.
Make a weekly schedule: Physics and maths require problem-solving techniques, so they need more prep hours. Try dedicating more hours to subjects like Physics and Maths.
Revise from NCERT textbooks: The KCET questions are asked mainly from the PUC class 11 and 12 syllabus. Make sure you're revising the NCERT textbooks very thoroughly.
Practice chapter-wise MCQs: KCET-specific books like Arihant can be used for objective-type question practice. Practice chapter-wise MCQs to strengthen your basics.
Solve past 5 years’ papers: Try solving past 5-year question papers and understanding the question trends, focusing on frequently repeated topics.
Mock tests: Attempting full-length KCET mock tests under timed conditions will help you build accuracy and finish your exam on time.

Understanding the KCET chapter-wise weightage 2026 will give you an advantage during the KCET 2026 preparation. The KCET chapter-wise weightage will give you an idea of how to strategise your preparation plan. Instead of picking up topics uniformly, try focusing on topics and chapters that have high weightage from the previous year's papers. This will help you maximise your score and confidence for the big day. If you are aiming for engineering, pharmacy, or agriculture, make sure you make a smart strategic plan and use this chapter-wise analysis to secure a good rank in KCET 2026.