Purpose, Process, Eligibility, Syllabus & Free Online Practice Tests
The Inter Services Selection Board (ISSB) is the gateway to joining Pakistan's prestigious armed forces as a commissioned officer. Before candidates reach the ISSB centre for the famous GTO tasks, psychological tests, and interview, they must first clear the ISSB Initial Tests. These initial tests are conducted at Army Selection and Recruitment Centres (AS&RCs) across Pakistan and serve as the first filter in the selection process.
If you are aspiring to join the Pakistan Army, Pakistan Air Force, or Pakistan Navy as an officer, this comprehensive guide covers everything you need to know about the ISSB Initial Tests:
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What is the purpose of ISSB Initial Tests?
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Which programs and branches require these tests?
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What is the complete selection process?
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What are the eligibility criteria?
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How to apply for ISSB?
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What is the test pattern, number of MCQs, and time allowed?
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What is the complete syllabus?
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How can I practice ISSB MCQs online for free?
Students who want to begin their preparation immediately can start with ISSB Initial Tests Free Quiz , where hundreds of free chapter-wise quizzes are available to strengthen concepts and improve exam performance.
What is the Purpose of ISSB Initial Tests?
The ISSB Initial Tests are the first stage of the selection process for officer candidates in the Pakistan Armed Forces. These tests serve multiple purposes:
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Screening Candidates: The initial tests act as a filter to screen out candidates who do not meet the minimum academic and intellectual standards required for officer training.
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Assessing Academic Knowledge: The Academic Test evaluates a candidate's knowledge in core subjects relevant to their chosen branch.
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Evaluating Intelligence: The Intelligence Test measures logical reasoning, analytical thinking, and problem-solving abilities.
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Ensuring Fair Selection: The tests provide a standardized method to evaluate candidates from diverse educational backgrounds.
Candidates who successfully clear the initial tests are then called for the full ISSB assessment at the ISSB centre, which includes psychological tests, group tasks, and a personal interview.
Which Programs Require ISSB Initial Tests?
ISSB Initial Tests are required for all candidates applying for commissioned officer positions in the Pakistan Armed Forces. These include:
Pakistan Army
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Permanent Commission (PC):
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Army Medical Corps (AMC)
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Army Dental Corps
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Lady Cadet Course (LCC)
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General Duty Medical Officers (GDMOs)
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Technical Cadet Course (TCC)
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Direct Short Service Commission (DSSC)
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Special Purpose Short Service Commission (SPSSC)
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Short Service Regular Commission (SSRC)
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Pakistan Air Force (PAF)
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General Duty Pilot (GDP)
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Aeronautical Engineering (CAE)
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Air Defence (AD)
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Admin & Special Duties
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Education Branch
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Accounts Branch
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Meteorology Branch
Pakistan Navy
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Operations Branch
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Engineering Branch
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Supply Branch
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Education Branch
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Medical Branch
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Naval Police
Special Programs
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Lady Officers
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Cadet Colleges
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Technical Programs
The initial tests are mandatory for all these programs. Candidates must clear these tests before proceeding to the ISSB centre.
ISSB Selection Process Overview
The complete ISSB selection process consists of multiple stages:
Stage 1: Online Registration and Initial Tests
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Candidates apply online through the official recruitment portal of their desired service.
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They appear for the Intelligence Test and Academic Test at an Army Selection and Recruitment Centre (AS&RC).
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Candidates who pass these tests proceed to the next stage.
Stage 2: Preliminary Medical Examination
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Candidates undergo a basic medical check-up at the AS&RC.
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Height, weight, and vision standards are checked.
Stage 3: ISSB Assessment (4 Days)
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Candidates who clear the initial tests are called to an ISSB centre.
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The assessment includes:
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Psychological Tests (verbal and non-verbal)
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Group Tasks (outdoor and indoor)
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Command Tasks
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Personal Interview
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Final Medical Examination
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Stage 4: Final Selection
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Candidates are recommended by the ISSB board.
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Final selection is made by the respective service headquarters based on merit and available vacancies.
Eligibility Criteria for ISSB Initial Tests
Eligibility criteria vary slightly depending on the service and branch. However, general requirements include:
Age Requirements
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General Duty Pilot (PAF): 17 – 22 years
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Army Medical Corps: 17 – 22 years
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Technical Cadet Course: 17 – 21 years
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Direct Short Service Commission: Varies by branch
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Lady Cadet Course: 17 – 22 years
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PAF Branches: Typically 17 – 22 years
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Navy Branches: Varies by branch
Education Requirements
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FSc (Pre-Engineering/Pre-Medical): For most Permanent Commission branches.
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Graduation: For Direct Short Service Commission and some specialized branches.
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Post-Graduation: For Education and some specialized branches.
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Specific Subject Requirements: Mathematics, Physics, Chemistry, or Biology depending on the branch.
Physical Standards
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Height (Male): Minimum 5'4" (163 cm) for most branches.
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Height (Female): Minimum 5'2" (157 cm).
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Vision: 6/6 in both eyes for GDP (without glasses).
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Weight: As per BMI standards.
Other Requirements
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Nationality: Pakistani national.
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Marital Status: Unmarried for most Permanent Commission courses.
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No criminal record.
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Medically fit.
How to Apply for ISSB Initial Tests
The application process is conducted online through the official recruitment portals:
For Pakistan Army
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Visit: www.joinpakarmy.gov.pk
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Click on "Apply Online"
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Select your desired course
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Fill in personal and academic details
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Submit application and download registration slip
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Report to the designated AS&RC for initial tests
For Pakistan Air Force
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Visit: www.joinpaf.gov.pk
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Click on "Apply Online"
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Select your desired branch
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Fill in personal and academic details
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Submit application and download registration slip
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Report to the designated PAF Information & Selection Centre
For Pakistan Navy
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Visit: www.joinpaknavy.gov.pk
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Click on "Apply Online"
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Select your desired branch
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Fill in personal and academic details
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Submit application and download registration slip
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Report to the designated Navy Selection Centre
ISSB Initial Tests Pattern
The ISSB Initial Tests consist of two main parts: the Intelligence Test and the Academic Test. Both tests are conducted on the same day at the AS&RC.
Intelligence Test (Verbal)
The Intelligence Test assesses logical reasoning, analytical thinking, and problem-solving abilities. The ISSB Initial Tests - Intelligence Test - Verbal section includes:
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Total MCQs: 552 across 56 quizzes
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Question Types: Verbal reasoning, analogies, coding-decoding, sequences, and more
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Time Allowed: Typically 30-45 minutes
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Negative Marking: None
Academic Test
The Academic Test evaluates knowledge in core subjects. The test pattern varies depending on the branch and service:
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For Army Medical Corps: Chemistry, English, Physics (Biology for AMC)
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For PAF Branches: English, Mathematics, Physics
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For Navy Branches: English, Mathematics, Physics/Chemistry
The Academic Test consists of:
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Total MCQs: Varies by branch (typically 100-120)
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Time Allowed: Typically 60-90 minutes
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Negative Marking: None
ISSB Initial Tests Syllabus
The syllabus for the ISSB Initial Tests is based on the intermediate (FSc) and graduation-level curriculum. Below is the chapter-wise breakdown for each subject.
Start your preparation with ISSB Initial Tests Free Quiz .
Intelligence Test - Verbal
The Intelligence Test evaluates verbal reasoning and logical thinking. Start your preparation with ISSB Intelligence Test - Verbal Practice Tests .
The Intelligence Test syllabus includes:
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Age Problems — Age-related mathematical problems
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Analog MCQs — Verbal and logical analogies
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Blood Relations — Family tree and relationship problems
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Classification — Grouping and categorization
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Code-Decode — Coding and decoding problems
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Common Sense MCQs — General knowledge and common sense
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Comparison — Ranking and comparison problems
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Directions — Direction and distance problems
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Jumbled Word — Rearranging jumbled words
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Maths Signs — Mathematical symbol problems
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Numeric Problems — Number-based reasoning
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Prefixes — Word prefixes and meanings
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Sequence MCQs — Number and letter sequences
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Situational Reaction — Situation-based responses
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Suffixes MCQs — Word suffixes and meanings
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Words Formation — Forming words from letters
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Words Problem — Word-based reasoning problems
Academic Test - Chemistry
The Chemistry section is required for Army Medical Corps and some other branches. Start your preparation with ISSB Chemistry Practice Tests .
The Chemistry syllabus includes:
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Alcohols Phenols — Alcohols and phenols
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Carboxylic Acid — Carboxylic acids and derivatives
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Chem Equilibrium — Chemical equilibrium
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Chemical Bonds — Chemical bonding
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d and f Block — d and f block elements
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Electrochemistry — Electrochemistry
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Fundamental of Chemistry — Basic chemistry principles
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Haloalkane — Haloalkanes
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Hydrocarbons — Hydrocarbons
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Industrial Chemistry — Industrial chemistry applications
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Intro to Gases — Introduction to gases
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Intro to Liquids — Introduction to liquids
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Intro to Solids — Introduction to solids
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Ketones and Aldehydes — Ketones and aldehydes
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Macromolecule — Macromolecules
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Order of Reactions — Order of chemical reactions
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Organic Chemistry — Organic chemistry fundamentals
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S and P Block — s and p block elements
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Structure of Atom — Atomic structure
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Thermodynamics — Thermodynamics
Academic Test - English
The English section is a core component of the Academic Test for all branches. Start your preparation with ISSB English Practice Tests .
The English syllabus includes:
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Active Passive — Active and passive voice
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Analogies — Verbal analogies
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Antonym — Antonyms
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Correct Use of Tenses — Tense usage
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Fill in the Blanks — Fill in the blank questions
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Idioms and Phrases — Idioms and phrases
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Idioms Phrases Meanings — Meanings of idioms and phrases
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Prepositions — Prepositions
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Punctuations — Punctuation
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Sentence Correction — Correcting sentences
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Spellings — Correct spellings
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Structure of Sentence — Sentence structure
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Synonym — Synonyms
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Vocab — Vocabulary
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Word Substitution — One word substitution
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Words Nearest Meaning — Words nearest in meaning
Academic Test - Physics
The Physics section is a core component of the Academic Test for engineering and technical branches. Start your preparation with ISSB Physics Practice Tests .
The Physics syllabus includes:
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Electrical Current — Electric current and circuits
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Geometrical Optics — Geometrical optics
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Gravitational Force — Gravitational force
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Kinematic and Dynamics — Kinematics and dynamics
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Measurement and Vectors — Measurements and vectors
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Power Work And Energy — Power, work, and energy
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Rotatory Motion — Rotatory motion
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The Dawn of Modern Physics — Modern physics
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The Electromagnetism — Electromagnetism
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The Electrostatics — Electrostatics
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The Heat and Thermodynamics — Heat and thermodynamics
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Wave and Oscillations — Waves and oscillations
ISSB Initial Tests Preparation Tips
1. Understand the Test Pattern
The ISSB Initial Tests consist of the Intelligence Test and Academic Test. The Intelligence Test focuses on verbal reasoning, while the Academic Test covers subject-specific knowledge. Understand the pattern for your specific branch.
2. Master the Intelligence Test
The Intelligence Test is the first filter. Practice verbal reasoning questions extensively. Focus on analogies, coding-decoding, sequences, and blood relations. The chapter-wise quizzes on the Intelligence Test page are designed for this purpose.
3. Strengthen Your Academic Knowledge
The Academic Test requires strong knowledge of English, Physics, and Chemistry (or Biology for AMC). Review your FSc and graduation-level concepts thoroughly. Use the chapter-wise quizzes to practice each topic systematically.
4. Practice Speed and Accuracy
The tests are timed. Practice solving MCQs quickly and accurately. There is no negative marking, so attempt all questions but avoid random guessing.
5. Take Full-Length Mock Tests
Simulate exam conditions by taking full-length mock tests. This helps with time management and builds confidence.
6. Stay Updated with Official Announcements
ISSB recruitment notifications are published on the official websites of the Pakistan Army, PAF, and Navy. Check regularly to avoid missing application deadlines.
7. Maintain Physical Fitness
While the initial tests are academic, physical fitness is crucial for the later stages of ISSB. Start preparing early for the physical requirements.
Frequently Asked Questions (FAQs)
1. What is the purpose of ISSB Initial Tests?
ISSB Initial Tests screen candidates for academic and intellectual aptitude before they proceed to the full ISSB assessment at the ISSB centre.
2. Which programs require ISSB Initial Tests?
All commissioned officer programs in the Pakistan Army, Pakistan Air Force, and Pakistan Navy require ISSB Initial Tests.
3. What is the test pattern for ISSB Initial Tests?
The tests consist of an Intelligence Test (verbal reasoning) and an Academic Test (English, Physics, Chemistry/Mathematics depending on the branch).
4. How can I apply for ISSB Initial Tests?
Apply online through the official recruitment portals: www.joinpakarmy.gov.pk , www.joinpaf.gov.pk , or www.joinpaknavy.gov.pk .
5. Is there negative marking in ISSB Initial Tests?
No, there is typically no negative marking in ISSB Initial Tests.
6. How can I practice for ISSB Initial Tests?
You can practice for free on Pak Admissions . The platform offers over 2,353 MCQs across 236 quizzes covering all subjects.
7. What happens after clearing ISSB Initial Tests?
Candidates who clear the initial tests are called for the full ISSB assessment, which includes psychological tests, group tasks, and a personal interview.
Final Words
Clearing the ISSB Initial Tests is the first major step toward becoming a commissioned officer in the Pakistan Armed Forces. These tests require focused preparation in both intelligence and academic areas. With the right strategy and consistent practice, you can successfully clear this stage and move forward to the ISSB centre.
Start your preparation today by exploring the chapter-wise practice quizzes available on Pak Admissions . With dedication and hard work, you can achieve your dream of serving the nation as an officer.
Good luck with your ISSB journey!

