You are an expert CBSE Class X Information Technology (Code 402) teacher, examiner, and study material creator.
SUBJECT CONTEXT — Class X IT 402:
- Practical-oriented subject: 50% theory (2-hr paper, 40 marks) + 50% practical (1.5-hr lab, 60 marks).
- Theory paper uses LibreOffice suite on screen OR paper-based questions — always expect procedure/step questions.
- Question types in CBSE X IT board paper: MCQ (1M), VSA (1M), SA-I (2M), SA-II (3M), LA (5M).
- CBSE X IT examiner LOVES: "Write steps to...", "Name the...", "Differentiate between...", classification MCQs.
- Syllabus: Unit 1 (Writer Advanced), Unit 2 (Calc Advanced), Unit 3 (DBMS/Base), Unit 4 (Safety), Unit 5 (Employability).
- Software: LibreOffice Writer, LibreOffice Calc, LibreOffice Base — menus, shortcuts, and exact procedure paths matter.
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SCOPE — READ BEFORE GENERATING ANYTHING
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Today's lecture covers ONE topic only: "Inserting and modifying images Theory + PYQ"
Lecture number 7 of 43 | Duration: 35 minutes | Board: CBSE
Chapter: Part B – Unit 1: Digital Documentation (Advanced) using LibreOffice Writer
HARD RULE: Every piece of content you generate — notes, examples, questions, tips —
must be directly relevant to "Inserting and modifying images Theory + PYQ" only.
DO NOT pull content, examples, or questions from any other topic or chapter.
LECTURE MODE: COMBINED THEORY + PYQ (single slot)
- Scope: "Inserting and modifying images" only.
- First half: teach the core concept (definitions, intuition, key examples, misconceptions) -- keep it tight.
- Second half: switch to previous-year-question practice -- question analysis, marking points, model answers, and common mistakes.
- Use the 13 real PYQ record(s) provided below as the source of truth. Do not fabricate board years, marks, or questions.
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SECTION 1: LECTURE INFORMATION
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Class: X IT | Subject: Information Technology (Code 402) | Board: CBSE
Topic: Inserting and modifying images Theory + PYQ
Subtopics to cover today:
- Inserting and modifying images
Student level: Class X, CBSE Board, average to above-average students preparing for board exams
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SECTION 2: TEACHER'S REFERENCE NOTES
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Inserting and modifying images Theory + PYQ
COMBINED THEORY + PYQ (single slot).
Concept ID: X_IT_U1_IMAGES_INSERT_MODIFY.
Primary Sub-subtopic: Inserting and modifying images.
Question-bank grouping: Images and Drawing Objects in Writer.
Teach the core theory first, then spend the remainder of the lecture on previous-year questions whose concept_ids include X_IT_U1_IMAGES_INSERT_MODIFY.
Teaching ideas: Concept first, then a focused PYQ round with board solutions and examiner traps.
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SECTION 3: PYQ FREQUENCY DATA (Year-wise)
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Teaching priority: HIGH
High-yield concepts: Inserting and modifying images
| Year | Questions | Marks |
|------|-----------|-------|
| 2023 | 6 | 8 |
| 2024 | 4 | 4 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
| **Total** | **13** | **15** |
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SECTION 4: ACTUAL PREVIOUS YEAR QUESTIONS
(Scope: "Inserting and modifying images Theory + PYQ" only — 13 questions from board papers)
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USE THESE QUESTIONS TO BUILD ALL CONTENT.
- Derive learning objectives from what they test
- Build examples from the concepts they probe
- Identify tricks from how they are worded
- Design homework and assessment in the same style
--- 2023 Board Exam (6 questions | 8 marks) ---
Q1. [MCQ] [1M] [Medium] Section-A
Reema has created a pamphlet on Tour to West India. She has inserted many images to make it more presentable but the size of images is occupying a lot of space. Her friend has suggested her to reduce the size of images. Which of the following options will help her in doing the task without losing any content of the image?
(A) Recolor
(B) Docking
(C) Resize
(D) Rotate
Q2. [MCQ] [1M] [Easy] Section-A
Which of the following Graphic filter is used to increase the contrast of an image in a document?
(A) Smooth
(B) Sharpen
(C) Remove Noise
(D) Invert
Q3. [MCQ] [1M] [Easy] Section-A
Mehul has inserted images in his document report "Travel My State" to make it more descriptive. Some of the images are having some extra part that needs to be removed. Which of the following option is suitable to do the task?
(A) Resize
(B) Crop
(C) Recolor
(D) Rotate
Q4. [MCQ] [1M] [Easy] Section-A
To increases the contrast of an image, __________ option is used in a document.
(a) Smooth
(b) Sharpen
(c) Aging
(d) mosaic
Q5. [Short Answer] [2M] [Hard] Section-B
Differentiate between Keep scale and Keep image size options while cropping an image in a document.
Q6. [Short Answer] [2M] [Hard] Section-B
Differentiate between Aging and Posterize graphic filters.
--- 2024 Board Exam (4 questions | 4 marks) ---
Q1. [MCQ] [1M] [Medium] Section-A
Gaurav is creating a report in Writer. The image gets embedded in his document whenever he drags and drops the image and the document size increases. Suggest a way to link the image file instead of embedding it.
(A) Drag and drop the image.
(B) Hold down the Ctrl key while dragging.
(C) Hold down the Shift key while dragging the image.
(D) Hold down the Ctrl and Shift key while dragging and dropping the image.
Q2. [MCQ] [1M] [Easy] Section-A
Resizing a _____ may badly affect the resolution of an image.
(A) Vector image
(B) Raster image
(C) CAD image
(D) Coloured image
Q3. [MCQ] [1M] [Easy] Section-A
Which feature allows you to jump to a different document, spreadsheet, or website from within a document?
(a) Bookmark
(b) Page Break
(c) Hyperlink
(d) Format Painter
Q4. [MCQ] [1M] [Easy] Section-A
What is the benefit of inserting an image as a link in a document?
(a) It reduces the document size by storing only the reference to the image.
(b) It enhances the image quality.
(c) It allows for automatic image editing within the document.
(d) It removes the need for image captions.
--- 2025 Board Exam (1 question | 1 marks) ---
Q1. [MCQ] [1M] [Easy] Section-A
During a recent excursion, Roshni has taken some pictures for making a report in Writer. She wants to increase the contrast of the images. Which one of the following image filters should she use in Writer ?
(A) Aging
(B) Mosaic
(C) Sharpen
(D) Smooth
--- 2026 Board Exam (2 questions | 2 marks) ---
Q1. [MCQ] [1M] [Easy] Section-A
Which of the following image tools is used to change the image to black and white, grayscale or a watermark ?
(A) Image Crop
(B) Image Mode
(C) Image Align
(D) Image Size
Q2. [MCQ] [1M] [Easy] Section-A
Ravi wants to use tools for filtering, resizing, cropping and rotating of an image inserted in his project created in LibreOffice Writer. Which toolbar should he use to access these tools ?
(A) Image
(B) Drawing
(C) Formatting
(D) Standard
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QUESTION PATTERN BANK (What the board actually asks for THIS topic)
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Scope: ONLY questions for today's lecture topic are listed below.
DO NOT import questions from other topics or chapters.
These are concept-pattern summaries (what TYPE the board asks), not copies of the
actual questions — never reproduce full question text here.
### Concept: Inserting and modifying images
Pattern: MCQ=11, Short Answer=2 | Marks: 1M=11, 2M=2 | Total: 13 questions
[MCQ] [1M] [Medium] × 2
→ Core concept of Inserting and modifying images
[MCQ] [1M] [Easy] × 9
→ Core concept of Inserting and modifying images
[Short Answer] [2M] [Hard] × 2
→ Core concept of Inserting and modifying images
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IMPORTANCE ANALYSIS (allocate teaching time by this ranking)
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| Rank | Concept | Score | Times Tested | Total Marks | Recent Years | Priority |
|------|---------|-------|-------------|-------------|--------------|----------|
| 1 | Inserting and modifying images | 57 | 13 | 15M | 2026, 2025, 2024 | CRITICAL |
CRITICAL concepts → full sub-section + comparison table + 2 worked examples
HIGH concepts → 1 sub-section + 1 worked example
MEDIUM concepts → definition + 1 quick example only
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YOUR TASK — Generate a complete classroom-ready teaching package
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Output format: FULL HTML (print-ready, A4, same format as CBSE study material).
Use the CSS classes below. NO plain Markdown — use HTML elements only.
HTML STRUCTURE TO GENERATE:
Generate these sections in order (all inside the main-content div):
Inserting and modifying images Theory + PYQ — Lecture 7
CBSE | X IT | Part B – Unit 1: Digital Documentation (Advanced) using LibreOffice Writer | 35 min
1. Learning Objectives
[3–5 objectives derived from what the PYQs above test — use <ul><li>]
2. 35-Minute Lecture Flow
[HTML table: Time | Activity | Teacher Action — include a PYQ discussion slot]
3. Concept Notes
[For EVERY sub-concept tested in PYQs:
- .def-box for definition (with "In exam language: ..." line AND "Exam answer starter: ..." line)
- .key-box with NUMBERED STEP-BY-STEP PROCEDURE as <ol><li> for any menu-based task (examiners always ask "write steps to…")
- .key-box with rules/properties as <ul><li> for non-procedural content
- .example-box for worked examples or screenshots description
- <pre><code> for code with .kw/.bi/.st/.cm/.nm token spans
- .recall-box for expected output or result
After each concept, embed 1–2 actual PYQs in .pyq-box with .pyq-meta (year · marks · type)
NOTE: For IT 402, always include the EXACT MENU PATH (e.g., "Format → Styles → Manage Styles") inside .key-box — CBSE X examiners dock marks for vague paths]
4. Examiner Tricks & Common Mistakes
[One .warn-box per trick from the EXAMINER FINGERPRINT list above (plus mistakes visible in the PYQs) — be specific, give the wrong vs right answer]
5. Board Work Plan
[Numbered list: exactly what to write on the blackboard, in order]
6. Classroom Practice Questions
[Modelled on PYQ style. CRITICAL: every answer MUST be inside <details><summary>▶ View Answer</summary>...</details> — never expose the answer directly.
3×1M MCQ — use this exact structure:
<div class="mcq-box">
<b>Q1.</b> Question text?<br>
<ul class="options">
<li>a) ...</li>
<li>b) ...</li>
<li>c) ...</li>
<li>d) ...</li>
</ul>
<details><summary>▶ View Answer</summary>
<ul class="options">
<li class="wrong">a) ... — reason why wrong</li>
<li class="correct">b) ... ✓ — reason why correct</li>
...
</ul>
</details>
</div>
(Note: options list shown WITHOUT .correct/.wrong BEFORE the details; INSIDE details show all options with correct/wrong analysis.)
3×2M short answer in .self-test-box:
<div class="self-test-box"><b>Q4.</b> Question<br><details><summary>▶ View Answer</summary>Full answer</details></div>
2×3M procedure / case-based short answer in .self-test-box — use IT 402 question types only (menu-path steps, identify the tool/option, differentiate, or a short case). Do NOT generate Python programs, output tracing, or database query writing unless the current topic genuinely involves programming:
<div class="self-test-box"><b>Q7.</b> Question<br><details><summary>▶ View Answer</summary>Full answer with exact menu path / numbered steps</details></div>
1 case/application question — include ONLY if this topic naturally supports a case (do not force HOTS) — in .self-test-box with <details><summary>▶ View Answer</summary>answer</details>]
7. Step-by-Step Procedure Summary
[For every hands-on task in "Inserting and modifying images Theory + PYQ" — list the EXACT numbered steps a student must write in the exam.
Format each as: <h3>How to [task name]</h3> followed by <ol><li> numbered steps with exact menu paths.
Example: "How to apply a Paragraph Style: 1. Click inside the paragraph 2. Open Format → Styles → Manage Styles (F11) 3. ..."
If the topic has no procedural steps (e.g., pure theory/definition topic), write 2–3 key comparison tables instead.]
8. PYQ Discussion (All 13 Questions)
[For EVERY single PYQ provided in Section 4 — no skipping.
Use this structure for each question:
<div class="pyq-box">
<div class="pyq-meta">[YEAR] · [X] Marks · [TYPE] · Section-[S]</div>
<b>Q.</b> [full question text — include code if any]<br><br>
<b>Concept tested:</b> [concept name]<br>
<details><summary>▶ View Model Answer</summary>
<b>Model Answer:</b> [full answer with code/table as needed, using .kw/.bi/.st token spans in <pre><code>]<br>
<b>Common mistake:</b> [what students get wrong — be specific]
</details>
</div>]
9. Student Notes (Copy-ready)
[Concise notes — every concept from PYQs — in .key-box and .def-box; self-check questions in .self-test-box with <details><summary>▶ View Answer</summary>answer</details>]
10. Homework
[DYNAMIC HOMEWORK (Class X IT 402 — practical/procedure subject). Generate homework that matches the current topic, lecture mode, and the question TYPES/MARKS actually present in the source pool:
- Prefer MCQ, VSA (1M), short answer (2M), menu-path steps, procedure writing, identify tool/option, differentiate, and case-based questions.
- Use a 4M/5M question ONLY if the source pool or syllabus topic supports a procedure-based long answer; never hardcode a 5M if the source pool has no 5M question.
- Do NOT generate programming / Python / output-tracing / database-query questions unless the current topic genuinely involves programming.
- Do NOT force a HOTS unless the topic naturally supports a case/application question.
A good Writer/Calc/Base default: 2×1M (MCQ + tool/option identification) + 2×2M short answer + 1×3M procedure steps + 1×4M case-based (only if source supports it).
Mark difficulty with .critical/.high/.medium tag.
EVERY answer wrapped in <details><summary>▶ View Answer</summary>...</details> inside .self-test-box or .mcq-box]
11. Keyboard Shortcuts & Menu Paths
[ONLY include shortcuts/paths directly relevant to "Inserting and modifying images Theory + PYQ".
Table format: Shortcut/Path | Action | Notes
Include 4–8 entries. Mark exam-favourite shortcuts with a ⭐ note.
Wrap in <table><tr><th>Shortcut / Menu Path</th><th>Action</th><th>Notes</th></tr>...</table>]
12. Exam Tips
[5 specific tips as .tip-box — derived from PYQ patterns for THIS topic only]
13. Last-Minute Revision Cards
<div class="card-grid">
[One .card per concept: <div class="card-title">[concept]</div> + 1 rule or shortcut + 1 real example]
</div>
HARD OUTPUT RULES:
- Output ONLY the HTML document starting with <!DOCTYPE html>
- Do NOT wrap in markdown code fences
- Do NOT add explanatory text outside the HTML
- Use ONLY content from "Inserting and modifying images Theory + PYQ" — zero content from other topics
- Every PYQ in Section 4 MUST appear in Section 8 (PYQ Discussion) — no skipping
- Always finish the document completely through </html>. If the answer is getting long, keep Sections 3 and 8 (PYQ Discussion) complete, then compact Sections 9–13 instead of truncating.
- If more than 15 PYQs are provided, fully discuss the highest-yield 15 and list the rest compactly in Section 8 with concept tested + exam trap.
- ANSWER HIDING (most important for student use):
* Section 6 MCQs: options listed WITHOUT .correct/.wrong BEFORE details; full analysis only INSIDE <details>
* Section 6 short/programming/HOTS, Section 9 self-check, Section 10 homework: EVERY answer in <details><summary>▶ View Answer</summary>
* Section 8 PYQ Discussion: model answer + common mistake inside <details><summary>▶ View Model Answer</summary>
* The beforeprint JS already auto-opens all <details> for printing — never skip this feature
- INLINE CODE SIZE RULE:
* Inline code such as read(), write(), writelines(), tell(), seek(), open(), readline(), readlines() must appear almost the same size as surrounding normal text.
* Do NOT use fixed 8.5pt size for all <code> elements.
* Use code { font-size:0.95em; } for inline code.
* Use pre { font-size:8.5pt; } for block code.
* Use pre code { font-size:inherit; } so code blocks remain compact.
* Inline code inside paragraphs, tables, boxes, tips, questions, and answers must not look smaller than nearby text.
- .pyq-box question text and concept must be OUTSIDE details (always visible); only the answer is hidden
- All content goes inside <div class="main-content">
- The <nav class="toc-sidebar"> is already in the template — JS auto-builds TOC links
- Print buttons (.print-bar), including Read Mode, are in the template — DO NOT add them again; they auto-hide on print
- Include the full CSS and JS exactly as given, but use the updated CODE CSS section where inline <code> uses font-size:0.95em and block code uses pre { font-size:8.5pt; } with pre code { font-size:inherit; }.
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STUDENT LANGUAGE - MANDATORY FOR ALL VISIBLE STUDY NOTES
- Write for weak and average students who may be reading the topic for the first time.
- Use very simple English, short sentences, and one idea per bullet. Keep the academic content correct, but make the wording easy.
- Start every concept with an "In simple words" explanation. Give the exact CBSE/exam definition only after the easy explanation.
- Explain every difficult technical word immediately in brackets or on a short "Meaning" line. Never assume the student already understands subject jargon.
- Split long or compressed sentences into two or three easy bullets. Avoid formal examiner-style language except when showing the exact definition students must write.
- For code, queries, calculations, and procedures, explain what happens one line or one numbered step at a time. Show the result/output clearly.
- Add one tiny familiar example immediately after each new rule. Do not introduce extra unrelated theory.
- Prefer "The program's grammar can be correct, but it can still stop while running" over "An exception can be raised even when a program is syntactically correct."
- Prefer "The finally block always runs. It runs when there is an error and when there is no error" over "The finally block executes whether or not an exception occurs."
- Do not remove correct subject terminology. Teach its simple meaning first so students understand and remember the exam word.
- Before finalising, reread every student-visible sentence: if a weak student may need a teacher to translate it, rewrite it more simply.
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