PIEAS Most Important Topics 2026
Which PIEAS chapters are worth the most marks, ranked from the Pakistan Institute of Engineering and Applied Sciences subject weightage for PIEAS Admission Test and, where the same chapters appear on papers TestUstad has counted, from the distribution measured across those papers. Every subject page below states exactly which of the two it used.
Start at the top and work down. Every chapter here links to free PIEAS MCQs with a written explanation on every answer, no fee and no account needed.
Top 15 most important PIEAS topics, all subjects
Every chapter on the PIEAS paper on one scale, heaviest first. Covers 70 of the 100 MCQs on the paper. Mathematics is left off this combined list because no solved paper TestUstad holds measures it, and an estimate does not belong in a column of counted numbers. It has a ranked table further down.
| # | Chapter | Subject | Expected MCQs | Priority |
|---|---|---|---|---|
| 1 | Grammar | English | 4.1 | Critical |
| 2 | Waves | Physics | 3.3 | Critical |
| 3 | Vocabulary | English | 3.1 | Important |
| 4 | Force and Motion | Physics | 2.9 | Critical |
| 5 | s-Block and p-Block Elements | Chemistry | 2.8 | Critical |
| 6 | Nuclear Physics | Physics | 2.6 | Critical |
| 7 | Comprehension | English | 2.4 | Important |
| 8 | Chemistry of Hydrocarbons | Chemistry | 2.3 | Critical |
| 9 | Chemical Bonding | Chemistry | 2.2 | Critical |
| 10 | Current Electricity | Physics | 2.2 | Critical |
| 11 | Electromagnetism | Physics | 2.1 | Critical |
| 12 | Atomic Structure | Chemistry | 1.9 | Critical |
| 13 | Electrostatics | Physics | 1.9 | Important |
| 14 | Dawn of Modern Physics | Physics | 1.8 | Important |
| 15 | Thermodynamics | Physics | 1.8 | Important |
The top 10 in detail
Grammar
CriticalGrammar is 40.8 percent of the PIEAS English paper and works out at about 4.1 MCQs on the current paper. It is examined mostly on Prepositions, Parts of Speech and Tenses.
Waves
CriticalWaves is 11.1 percent of the PIEAS Physics paper and works out at about 3.3 MCQs on the current paper. It is examined mostly on Simple Harmonic Motion, Superposition and Interference and Progressive Waves.
Vocabulary
ImportantVocabulary is 31.5 percent of the PIEAS English paper and works out at about 3.1 MCQs on the current paper. It is examined mostly on Synonyms, Meaning from Context and Idioms and Phrases.
Force and Motion
CriticalForce and Motion is 9.6 percent of the PIEAS Physics paper and works out at about 2.9 MCQs on the current paper. It is examined mostly on Newton's Laws of Motion, Projectile Motion and Acceleration.
s-Block and p-Block Elements
Criticals-Block and p-Block Elements is 9.5 percent of the PIEAS Chemistry paper and works out at about 2.8 MCQs on the current paper. It is examined mostly on Periodic Properties and Trends, Reactions of Group IV Elements and Reactions of Group II Elements.
Nuclear Physics
CriticalNuclear Physics is 8.7 percent of the PIEAS Physics paper and works out at about 2.6 MCQs on the current paper. It is examined mostly on Composition of Atomic Nuclei, Radioactive Decay and Biological and Medical Uses of Radiation.
Comprehension
ImportantComprehension is 24.5 percent of the PIEAS English paper and works out at about 2.4 MCQs on the current paper. It is examined mostly on Error Detection, Passage Reading and Sentence Completion.
Chemistry of Hydrocarbons
CriticalChemistry of Hydrocarbons is 7.6 percent of the PIEAS Chemistry paper and works out at about 2.3 MCQs on the current paper. It is examined mostly on Benzene and Aromatic Compounds, Alkanes and Alkenes.
Chemical Bonding
CriticalChemical Bonding is 7.2 percent of the PIEAS Chemistry paper and works out at about 2.2 MCQs on the current paper. It is examined mostly on Hybridization, VSEPR Theory and Sigma and Pi Bonds.
Current Electricity
CriticalCurrent Electricity is 7.4 percent of the PIEAS Physics paper and works out at about 2.2 MCQs on the current paper. It is examined mostly on Resistance and Resistivity, Steady Current and Temperature Coefficient of Resistivity.
PIEAS most important topics by subject
The full ranked chapter list for each subject on the PIEAS paper, with how the numbers for that subject were arrived at stated on the page.
PIEAS Mathematics most important topics
3 chapters, 30 MCQs on the paper
Estimated from the official PIEAS syllabus weighting
Top 3: Arithmetic, Algebra and Geometry
See all ranked topicsPIEAS Physics most important topics
20 chapters, 30 MCQs on the paper
Mapped from 48 solved past papers (2005 to 2025)
Top 3: Waves, Force and Motion and Nuclear Physics
See all ranked topicsPIEAS Chemistry most important topics
25 chapters, 30 MCQs on the paper
Mapped from 48 solved past papers (2005 to 2025)
Top 3: s-Block and p-Block Elements, Chemistry of Hydrocarbons and Chemical Bonding
See all ranked topicsPIEAS English most important topics
4 chapters, 10 MCQs on the paper
Mapped from 48 solved past papers (2005 to 2025)
Top 3: Grammar, Vocabulary and Comprehension
See all ranked topicsPIEAS chapter weightage at a glance
PIEAS Mathematics: 30 MCQs
All 3 chaptersEstimated from the official PIEAS syllabus weighting
| Chapter | Est. MCQs | Priority |
|---|---|---|
| Arithmetic | 20.5 | Critical |
| Algebra | 5.2 | Important |
| Geometry | 4.3 | Standard |
PIEAS Physics: 30 MCQs
All 20 chaptersMapped from 48 solved past papers (2005 to 2025)
| Chapter | Expected MCQs | Priority |
|---|---|---|
| Waves | 3.3 | Critical |
| Force and Motion | 2.9 | Critical |
| Nuclear Physics | 2.6 | Critical |
| Current Electricity | 2.2 | Critical |
| Electromagnetism | 2.1 | Critical |
PIEAS Chemistry: 30 MCQs
All 25 chaptersMapped from 48 solved past papers (2005 to 2025)
| Chapter | Expected MCQs | Priority |
|---|---|---|
| s-Block and p-Block Elements | 2.8 | Critical |
| Chemistry of Hydrocarbons | 2.3 | Critical |
| Chemical Bonding | 2.2 | Critical |
| Atomic Structure | 1.9 | Critical |
| Electrochemistry | 1.5 | Critical |
PIEAS English: 10 MCQs
All 4 chaptersMapped from 48 solved past papers (2005 to 2025)
| Chapter | Expected MCQs | Priority |
|---|---|---|
| Grammar | 4.1 | Critical |
| Vocabulary | 3.1 | Important |
| Comprehension | 2.4 | Important |
| Writing Skills | 0.3 | Standard |
PIEAS most important topics: frequently asked questions
What are the most important topics for PIEAS 2026?
The highest-value PIEAS chapters are Grammar (English, about 4.1 MCQs), Waves (Physics, about 3.3 MCQs), Vocabulary (English, about 3.1 MCQs), Force and Motion (Physics, about 2.9 MCQs) and s-Block and p-Block Elements (Chemistry, about 2.8 MCQs). That ranking comes from the Pakistan Institute of Engineering and Applied Sciences subject weightage for PIEAS combined with the chapter distribution measured across the 48 solved papers TestUstad holds for the same chapters. Every one of these chapters has free MCQs on TestUstad.
Is it enough to study only the most important PIEAS topics?
No, and no honest ranking says otherwise. The top chapters on this page are where your first hours should go because they carry the most marks per hour, but PIEAS is a competitive exam decided by a few marks, and the chapters at the bottom of this table still appear on the paper every year. Use this order to decide what to do first and what to revise last, not what to skip.
Where do these PIEAS topic rankings come from?
TestUstad does not hold solved PIEAS past papers yet, and this page does not pretend otherwise. The ranking is built from the Pakistan Institute of Engineering and Applied Sciences subject weightage for PIEAS Admission Test, combined, for subjects whose chapters are also examined by papers TestUstad has counted, with the chapter distribution measured across those papers. Each subject page states exactly which of the two applies to it.
How many MCQs is each PIEAS chapter worth?
Chapter by chapter, that is exactly what the tables on this page show. The single heaviest chapter on the PIEAS paper is Grammar at about 4.1 MCQs, and the subject pages break down every remaining chapter the same way.
Can I practise the most important PIEAS topics free?
Yes. Every chapter listed on this page links to free MCQs on TestUstad, with unlimited attempts, no daily limit, no card and no account needed to start. Each question carries a written explanation of why the correct option is correct, so a chapter you are weak in teaches you as you work through it.