Part-1 Root Words, Prefixes, Suffixes

Duration: 22 min

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Inside: a video lesson and guided study material.

Module outline

  1. About the Course: About the Course
  2. Section 1 | भाषा (हिंदी) / Language (Hindi): भाषा, लिपि और वर्ण, वर्तनी, वर्ण-विन्यास, अनुस्वार, अनुनासिक, चंद्रबिंदु और ‘र’ के रूप, शब्द, पद और शब्द-भेद, संज्ञा और सर्वनाम, पद-भेद और रूप-विकार, लिंग, वचन, पुरुष और कारक, काल, वाच्य, वाक्य और वाक्य-भेद, संधि, समास, विलोम शब्द, पर्यायवाची शब्द, सामान्य अशुद्धियाँ, अनेक शब्दों के लिए एक शब्द, शब्द-भंडार, अपठित बोध, संज्ञानात्मक और रचनावादी अधिगम / Cognitive and Constructivist Learning, वर्णमाला
  3. Section 1 | اردو زبان / Language (Urdu) — 22 Questions (Fixed): رسم الخط، حروفِ تہجی اور املا, اسم، ضمیر اور صفت, الفاظ، محاورے اور ضرب الامثال, تفہیمِ عبارت، انشا اور ترجمہ, تفہیم
  4. Section 1 | বাংলা ভাষা / Language (Bengali) — 22 Questions (Fixed): শব্দার্থ, বাগধারা ও ভাষাশুদ্ধি, বাক্য ও বাচ্য, শব্দগঠন ও শব্দভান্ডার, অনুবাদ, বোধপরীক্ষণ ও রচনা
  5. Section 1 | Language (English): Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Verbs and Tenses, Pronoun, Verb, Adverb, Prepositions and Conjunctions, Parts of Speech, Determiner, Conjunction, Modals, Transformation of Sentences, Direct and Indirect Speech, Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Construction, Sentence Structure and Common Errors, Reading Comprehension, Cloze Test (Cloze Passage), Verbal Analogy (Word Based Analogy), Facts, Inference and Judgements
  6. Section 2 | Primary Maths & Reasoning / प्राथमिक गणित एवं तर्कशक्ति: Ratio and Proportion / अनुपात और समानुपात, Divisibility Rules / विभाज्यता के नियम, Mixture and Alligation / मिश्रण और एलिगेशन, Permutation and Combination / क्रमचय और संचय, Number System / संख्या पद्धति, HCF and LCM / महत्तम समापवर्तक और लघुत्तम समापवर्त्य, अनुक्रम, श्रेणी और संयोजन / Sequences, Series and Combinatorics, Time, Speed and Distance / समय, चाल और दूरी, Series / श्रेणी, Coding-Decoding / कूट लेखन एवं कूट वाचन, Non-Verbal Reasoning / अशाब्दिक तर्क, Percentage / प्रतिशत, Average / औसत, Profit, Loss and Discount / लाभ, हानि और बट्टा, Simple and Compound Interest / साधारण और चक्रवृद्धि ब्याज, Time and Work / समय और कार्य, Solid Mensuration / घन क्षेत्रमिति, Age Problems / आयु संबंधी प्रश्न, Arithmetic / अंकगणित, Simplification, Indices and Surds / सरलीकरण, घातांक और करणी, Algebra / बीजगणित, Probability / प्रायिकता, Trigonometry / त्रिकोणमिति, Syllogisms / न्यायवाक्य, Seating Arrangement and Puzzles / बैठक व्यवस्था एवं पहेलियाँ, Blood Relations / रक्त संबंध, Direction and Distance / दिशा एवं दूरी, Analytical Reasoning (Counting Figures Reasoning) / विश्लेषणात्मक तर्क (आकृति गणना तर्क), Mathematical Operations and Missing Numbers / गणितीय संक्रियाएँ एवं लुप्त संख्या, Calendar and Clock / कैलेंडर एवं घड़ी, Clock / घड़ी, Cubes, Dice and Figure Counting / घन, पासा एवं आकृतियों की गिनती, Venn Diagrams, Syllogism and Inequalities / वेन आरेख, न्याय वाक्य एवं असमानता, Data Arrangement / आँकड़ों की व्यवस्था, Inequality / असमानता, Analogy and Classification / सादृश्यता एवं वर्गीकरण, Order and Ranking / क्रम एवं रैंकिंग, Sets, Relations, Functions and Discrete Mathematics / समुच्चय, संबंध, फलन और विविक्त गणित, Number Systems and Number Theory / संख्या पद्धति और संख्या सिद्धांत, Coordinate Geometry, Vectors and 3D Geometry / निर्देशांक ज्यामिति, सदिश और त्रिविमीय ज्यामिति, Polynomials, Equations and Complex Numbers / बहुपद, समीकरण और सम्मिश्र संख्याएँ
  7. Section 2 | General Awareness (GK + Current Affairs) / सामान्य जागरूकता (GK + समसामयिकी): भारतीय संविधान / Indian Constitution, Scientific Achievements and Research / वैज्ञानिक उपलब्धियाँ और अनुसंधान, कोशिका: संरचना एवं कार्य / Cell: Structure and Function, State-Specific General Knowledge / राज्य विशेष सामान्य ज्ञान, ऊष्मागतिकी एवं साम्यावस्था / Thermodynamics and Equilibrium, भारतीय राष्ट्रीय आंदोलन एवं स्वतंत्र भारत / Indian National Movement and Independent India, Geography / भूगोल, भारतीय अर्थव्यवस्था / Indian Economy, Environment / पर्यावरण, Current Affairs / समसामयिकी, Static General Knowledge / स्थैतिक सामान्य ज्ञान
  8. Section 3 | Computer System and Org. (CSO): Basics of COA, Floating Point Rep, Cache Memory Organization, Instr Formats & Modes, Programming the Basic Computer, Input Output Organisation, Register Transfer and Microoperations, Control Unit Design
  9. Section 3 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, SQL, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control
  10. Section 3 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Process Synchronization
  11. Section 3 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics
  12. Section 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Minimum Spanning Trees, Shortest Path Algos
  13. Section 3 | Theory Of Computation & Compiler Design: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization
  14. Section 3 | Emerging Trends (AI, Societal Ethics & MS Office): Computer Fundamentals, Emerging Tech Trends, Society, Law & Ethics, MS Office Applications, Trade, Marketing and Consumer Protection / व्यापार, विपणन एवं उपभोक्ता संरक्षण, Cyber Safety and Security, Computer Software, Operating System, Computer Networks, Word Processing (MS Word), Terms & Abbreviations, Presentation Software (MS PowerPoint), Internet of Things, Cloud Computing
  15. Section 3 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Maintenance and Configuration Management, Software Testing
  16. Section 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  17. Section 3 | OOPS, C++, JAVA, HTML: OOPS with C++, Java, HTML Basics, CSS
  18. Section 3 | Java: Java Fundamentals, Array, String, IO & References, OOPS with Java
  19. Section 3 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  20. Section 3 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  21. Section 3 | Multimedia: Multimedia
  22. BPSC Previous Year Papers:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video introduces the foundational concept of English word formation, arguing that words are constructed from components rather than memorized individually. The lesson begins by establishing a 'Lego block' analogy, where prefixes, roots, and suffixes serve as the building blocks for vocabulary. The instructor emphasizes that understanding these parts allows students to decode unfamiliar words systematically. Key definitions are provided: a prefix comes before the root, a suffix follows it, and the root holds the core meaning. The video progresses through warm-up activities where students guess meanings of words like 'Impossible' and 'Misbehave' based on their prefixes. It then details specific prefixes such as MIS (wrongly), DIS (opposite/apart), and RE (again), using comparison tables to distinguish their functions. The lesson concludes by defining suffixes as elements that often change the word class and reinforces the strategy of analyzing word parts to master vocabulary efficiently.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with the core thesis that English words are built, not memorized. The instructor uses a visual analogy of Lego blocks to represent word components. On-screen text explicitly states 'The Secret Behind Every English Word' and defines the three structural elements: PREFIX (comes before), ROOT (core meaning), and SUFFIX (comes after). Examples like 'Impossible', 'Rewrite', and 'Unhappy' are listed to demonstrate how combining these parts creates new words. The teaching cue emphasizes that this method allows learners to construct meaning rather than rote memorization.

  2. 2:00 – 5:00 02:00-05:00

    The lesson transitions into a 'Warm-Up' activity where viewers are challenged to guess the meanings of words like 'Uncomfortable', 'Misbehave', and 'Replay' without looking them up. The instructor introduces the concept of the 'English Word Factory', describing how words are assembled layer by layer. Visual diagrams illustrate that the root acts as raw material while prefixes and suffixes act as modifiers added to it. The key takeaway is that mastering these parts enables students to decode the whole word, reinforcing the 'Built... Not Memorized' philosophy.

  3. 5:00 – 10:00 05:00-10:00

    The focus shifts to defining what a prefix is, with on-screen text stating 'A prefix comes BEFORE the root word' and changes its meaning. The instructor presents a table of top prefixes, listing common examples such as 'Un-', 'In-', and 'Re-'. Visual aids like arrows connect the prefix to the root, showing how 'UN + Happy' becomes 'Unhappy'. The lesson highlights that prefixes are modifiers added at the front of a word, and the instructor underlines key terms like 'BEFORE' to ensure students grasp the positional aspect of prefixes.

  4. 10:00 – 15:00 10:00-15:00

    This segment distinguishes between three specific prefixes: MIS, DIS, and RE. A comparison table clarifies that 'MIS' implies doing something wrongly (e.g., 'Misguide'), 'DIS' indicates an opposite or apart action (e.g., 'Disagree'), and 'RE' signifies doing something again (e.g., 'Rewrite'). The instructor uses checkmarks to highlight correct definitions and underlines key terms. A quick test question appears on screen, prompting students to apply these distinctions immediately. The lesson also reviews memory tricks for prefixes like PRE-, POST-, INTER-, and SUB-.

  5. 15:00 – 20:00 15:00-20:00

    The instructor launches a 'Word Detective' activity, challenging students to identify prefixes and guess meanings for words like 'Unknown', 'Disconnect', and 'Preview' without notes. The on-screen text emphasizes 'One Prefix -> Many Words'. The lesson focuses heavily on the prefix RE-, explaining it means 'again' and showing a 'Prefix Word Tree'. The teaching cue explicitly tells students not to peek at notes, encouraging active recall. This section reinforces the practical application of prefix knowledge in decoding complex vocabulary.

  6. 20:00 – 21:32 20:00-21:32

    The video concludes with a summary of word parts, defining prefixes as elements added before the root to change meaning and suffixes as elements added after that often change word class. On-screen text lists top suffixes like '-able', '-ible', and '-ful'. The final takeaway message reiterates that understanding how words are built is superior to memorizing individual words. The instructor reviews specific examples of prefixes like Un-, Re-, and Mis- alongside suffixes, ensuring students leave with a clear strategy for vocabulary acquisition.

The lecture systematically deconstructs English vocabulary into its constituent parts: prefixes, roots, and suffixes. It begins by establishing a conceptual framework where words are viewed as constructed entities rather than arbitrary memorization tasks. The 'Lego block' analogy serves as a recurring visual metaphor to explain how prefixes (modifiers added before) and suffixes (modifiers added after) interact with the root (core meaning). The instructional flow moves from general definitions to specific applications, starting with a warm-up guessing game that encourages intuitive decoding. The lesson then provides detailed definitions for common prefixes, using comparison tables to differentiate similar terms like MIS (wrongly), DIS (opposite), and RE (again). Interactive elements, such as the 'Word Detective' activity, are used to reinforce learning by requiring students to apply their knowledge without reference materials. The video concludes by introducing suffixes and summarizing the overall strategy: mastering word parts allows for the efficient decoding of new vocabulary. This approach shifts the focus from rote memorization to structural analysis, providing students with a toolset for independent vocabulary expansion.

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