Author name: Alka Jaiswal

CBSE Class 9 & 10 English Grammar Notes

Transformation of Sentences — Advanced Notes

Transformation of Sentences — Advanced Notes T Transformation of Sentences — Advanced Notes Concise rules & examples for higher-level classes. Use these as classroom notes or quick revision. 1Active ⇄ Passive Voice Rule (Simple present/simple past): Object + am/is/are/was/were + past participle (+ by + subject).Use is/are for present; was/were for past. If object is […]

General awareness

General Awareness Quiz – Set 2

Colorful GA Quiz – Set 4 General Awareness Quiz – Set 2 Attempt all 10 questions and click “Submit” to see your score. 1. The headquarters of International Monetary Fund (IMF) is located at: London Washington D.C. Geneva Paris 2. Who among the following was the first woman Chief Minister of India? Sucheta Kripalani Indira

Reasoning quiz

Reasoning Quiz Set 3

Reasoning Quiz Set 3 Reasoning Quiz Set 3 1. Find the missing term: ACE : BDF :: MOQ : ? A) NPR B) NPS C) NQR D) NRQ 2. If RAM = 36, SON = 48, then BOX = ? A) 41 B) 45 C) 50 D) 39 3. Which word cannot be formed from

Maths Quiz

Maths Quiz – Set 4

Maths Quiz – Set 4 Maths Quiz – Set 4 1. A number is increased by 20% and then decreased by 20%. What is the net change? A) 0% B) 4% decrease C) 4% increase D) 2% decrease 2. A shopkeeper sells an item at 10% loss. If he sold it for ₹495, what was

English Quizzes

Error-Spotting Quiz — Set 6 (10 Questions)

Error Spotting Quiz – Set 6 📝 Error-Spotting Quiz — Set 6 (10 Questions) 1) Neither of the two brothers have arrived yet. Error in “Neither of the two” Error in “brothers have” Error in “arrived yet” No Error 2) She suggested that he works harder to pass the exam. Error in “suggested that he”

English Quizzes

Error-Spotting Quiz — Set 5 (10 Questions)

Error Spotting Quiz – Set 5 📝 Error-Spotting Quiz — Set 5 (10 Questions) 1) The teacher along with her students were present in the hall. Error in “along with” Error in “students were” Error in “present in the hall” No Error 2) Each of these books are worth reading. Error in “Each of these”

Maths Quiz

Maths Quiz — Set 3

Maths Quiz — Set 3 (10 Questions) Maths Quiz — Set 3 1. If f(x)=2x+1 and g(x)=x², find f(g(2)). A) 9 B) 7 C) 5 D) 3 2. Evaluate: lim (x→0) ( (1+2x)^{1/x} ). A) e² B) e C) 1 D) 2 3. Roots of x²−5x+6=0 are: A) 2, 3 B) 1, 6 C) 3,

Maths Quiz

Maths Quiz — Set 2

Maths Quiz — Set 2 (10 Questions) Maths Quiz — Set 2 1. If f(x)=3x−7, find f(6). A) 11 B) 13 C) 7 D) 18 2. Evaluate: lim (x→0) (sin 5x / 2x). A) 5/2 B) 1 C) 0 D) 2/5 3. Solve: x²−6x+8=0. A) 2, 4 B) 1, 8 C) 4, 6 D) 3,

Reasoning quiz

Reasoning & Logic Quiz – Set 2

Reasoning & Logic Quiz – Set 2 Reasoning & Logic Quiz – Set 2 1. In a certain code, A = 1, CAT = 24. What is DOG? 22 24 26 28 2. If a number is multiplied by itself and then divided by 2, the result is 128. What is the number? 14 16

English Quizzes

Error-Spotting Quiz — Set 4

Error Spotting Quiz – Set 4 📝 Error-Spotting Quiz — Set 4 (10 Questions) 1) Each of the boys have submitted their assignments. Error in “Each of the boys” Error in “have submitted” Error in “their assignments” No Error 2) The committee have decided to postpone the event. Error in “The committee” Error in “have

General awareness

General Awareness Set 1

Colorful IIT – GA Quiz Test GA Quiz Test. Set 1 Attempt all 10 questions and click “Submit” to see your score. 1. Which one of the following exoplanets was the first confirmed to have water-vapor in its atmosphere? A. Kepler-452b B. K2-18b C. TRAPPIST-1e D. Proxima b 2. Which law explains the increase of

Reasoning quiz

Reasoning & Logic Quiz Set 1

IIT Reasoning & Logic Quiz Reasoning & Logic Quiz Set 1 1. A says, “Both of us are telling lies.” B says, “A is telling the truth.” Who is lying? A only B only Both A and B Neither A nor B 2. Find the missing term: 3, 7, 15, 31, 63, ? 125 127

Maths Quiz

Maths Quiz Set 1

IIT Level Maths Quiz — 10 Questions Maths Quiz — Set 1 1. If f(x)=x²−4x+4, find f(5). A) 9 B) 4 C) 1 D) 5 2. Evaluate: lim (x→0) (tan 7x / x). A) 7 B) 1 C) 0 D) 1/7 3. Roots of x²−9x+20=0 are: A) 4, 5 B) 2, 10 C) 1, 20

English Quizzes

Error Spotting Quiz- Set 3

Error Spotting Quiz – Set 3 Error Spotting Quiz – Set 3 1. One of the players have agreed to join the final match. A) One of the players have B) agreed C) to join D) No error 2. Neither the manager nor the employees was informed about the change. A) Neither the manager B)

English Quizzes

Grammar Error-Spotting Quiz — Set 2 🌟

Error Spotting Quiz – Set 2 🌟 Grammar Error-Spotting Quiz — Set 2 🌟 1️⃣ Identify the error: No sooner the train arrived, the passengers rushed in. SelectNo sooner → No sooner didarrived → arrivethe → arushed in → rush in 2️⃣ Identify the error: Each of the students were given a certificate. Selectwere →

Class VIII - SST

Women, Caste and Reform – Class 8 NCERT

Women, Caste and Reform – Class 8 NCERT Detailed Notes Women, Caste and Reform – Detailed Notes (CBSE Class 8 NCERT) The nineteenth century in India was marked by intense social, cultural and religious reform movements. It was a time when several Indian thinkers began questioning long-established traditions, social inequalities, and discriminatory customs. These reformers

English Quizzes

Quiz 1-Grammar Error-Spotting

Error Spotting Quiz 🌟 Grammar Error Spotting Quiz — 10 Questions 🌟 1️⃣ Identify the error: Neither of the boys have done their homework. Selecthave → hasboys → boytheir → hisdone → do 2️⃣ Identify the error: He is more clever than anyone in the class. Selectmore clever → clevereranyone → everyoneHe → Himin →

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Geography class 11 cbse course A अध्याय 3

📘 अध्याय 3 — पृथ्वी का आंतरिक भाग (Interior of the Earth) 1. भूमिका (Introduction) 2. अप्रत्यक्ष स्रोत (Indirect Sources) 2.1 खनन (Mining) 2.2 ज्वालामुखी विस्फोट 2.3 उल्कापिंड (Meteorites) 2.4 गुरुत्वाकर्षण (Gravity) 2.5 चुम्बकीय क्षेत्र (Magnetic Field) 2.6 भूकंपीय तरंगें (Seismic Waves) (सबसे महत्वपूर्ण स्रोत) 3. भूकंप (Earthquake) 3.1 परिभाषा 3.2 फोकस 3.3 उपकेंद्र (Epicenter)

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Geography Class 11 – CBSE – Course A – Chapter 3

Geography Class 11 – CBSE – Course A – Chapter 3 📘 CHAPTER 3 — INTERIOR OF THE EARTH 1. INTRODUCTION 2. INDIRECT SOURCES 2.1 Mining 2.2 Volcanic Eruptions 2.3 Meteorites 2.4 Gravitation 2.5 Magnetic Field 2.6 Seismic Waves (Most Important Source) 3. EARTHQUAKE 3.1 Definition 3.2 Focus 3.3 Epicenter 3.4 Magnitude 3.5 Intensity 4.

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Geography class 11 cbse course A अध्याय 2

📘 **अध्याय 2 – पृथ्वी (THE EARTH) 1. पृथ्वी का परिचय (Introduction) 2. पृथ्वी की उत्पत्ति (Origin of the Earth) 2.1 उत्पत्ति का अर्थ 2.2 ब्रह्मांड की उत्पत्ति – बिग बैंग सिद्धांत 2.3 पृथ्वी की उत्पत्ति के सिद्धांत A. प्रारंभिक सिद्धांत 2.3.1 कांट–लाप्लास का नेब्युलर परिकल्पना 2.3.2 टाइडल सिद्धांत (चेम्बरलिन और मोल्टन) B. आधुनिक सिद्धांत

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Geography class 11 cbse course A chapter 2

📘 CHAPTER 2 — THE EARTH 1. THE EARTH – INTRODUCTION 2. ORIGIN OF THE EARTH 2.1 Meaning of Origin 2.2 The Big Bang Theory (General Cosmic Origin) 2.3 Theories Explaining Earth’s Formation There are two major categories: A. Early Theories 2.3.1 Nebular Hypothesis (Immanuel Kant & Laplace) 2.3.2 Tidal Theory (Chamberlain & Moulton) B.

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Geography class 11 cbse course A अध्याय 1

अध्याय 1 – भूगोल एक अनुशासन के रूप में (GEOGRAPHY AS A DISCIPLINE) 1. प्रस्तावना (Introduction) 2. भूगोल एक एकीकृत अनुशासन के रूप में (Geography as an Integrating Discipline) 3. भूगोल की शाखाएँ (Branches of Geography) भूगोल तीन मुख्य शाखाओं में विभाजित है: 3.1 भौतिक भूगोल (Physical Geography) 3.2 मानव भूगोल (Human Geography) 3.3 क्षेत्रीय

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Geography class 11 CBSE course A chapter 1

CHAPTER 1 – GEOGRAPHY AS A DISCIPLINE 1. INTRODUCTION TO GEOGRAPHY AS A DISCIPLINE 2. GEOGRAPHY AS AN INTEGRATING DISCIPLINE 3. BRANCHES OF GEOGRAPHY Geography is broadly divided into three major branches: 3.1 Physical Geography 3.2 Human Geography 3.3 Regional Geography 4. BRANCHES OF GEOGRAPHY BASED ON SYSTEMATIC APPROACH Systematic Geography studies phenomena topic-wise, not

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Geography class 12 cbse course A अध्याय 8

अध्याय 8 – अंतर्राष्ट्रीय व्यापार (INTERNATIONAL TRADE) कक्षा 12 CBSE – कोर्स A 1. अंतर्राष्ट्रीय व्यापार – परिचय 2. अंतर्राष्ट्रीय व्यापार का इतिहास (HISTORY OF INTERNATIONAL TRADE) 2.1 प्रारंभिक काल में व्यापार 2.2 प्राचीन व्यापार मार्ग 2.3 मध्यकाल 2.4 औद्योगिक क्रांति का प्रभाव 2.5 आधुनिक वैश्विक व्यापार 3. अंतर्राष्ट्रीय व्यापार का आधार (BASIS OF INTERNATIONAL

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Geography class 12 cbse course A chapter 8

Chapter 8 – International Trade 1. INTRODUCTION 2. HISTORY OF INTERNATIONAL TRADE 2.1 Ancient & Medieval Period 2.2 Age of Exploration (15th–17th Century) 2.3 Industrial Revolution (18th–19th Century) 2.4 20th Century to Post-World War Era 2.5 21st Century Globalization 3. BASIS OF INTERNATIONAL TRADE Countries participate in trade due to several economic, geographic, and resource-based

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Geography class 12 cbse course A अध्याय 7

अध्याय 7 – परिवहन एवं संचार (हिन्दी नोट्स) 1. परिचय (Introduction) परिवहन (TRANSPORT) 2. परिवहन के प्रकार (Modes of Transportation) परिवहन को तीन प्रमुख वर्गों में विभाजित किया जाता है— प्रत्येक माध्यम की अपनी अलग तकनीक, बुनियादी संरचना, लाभ व सीमाएँ होती हैं। A. स्थलीय परिवहन (Land Transport) स्थलीय परिवहन सबसे पुराना और सबसे अधिक

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Geography class 12 cbse course A chapter 7

Chapter 7 – Transport and Communication 1. INTRODUCTION TRANSPORT 2. MODES OF TRANSPORTATION Transport is classified into three major modes: Each mode has its own specialized infrastructure, advantages and limitations. A. LAND TRANSPORT Land transport is the oldest and most widely used means of transportation. It includes: 3. HIGHWAYS Characteristics Types of Highways Importance 4.

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Geography class 12 cbse course A chapter 6तृतीयक एवं चतुर्थक क्रियाएँ

Chapter 6 – तृतीयक एवं चतुर्थक क्रियाएँ (Tertiary and Quaternary Activities) 1. तृतीयक एवं चतुर्थक क्रियाएँ – परिचय 2. तृतीयक गतिविधियों के प्रकार (Types of Tertiary Activities) मुख्य प्रकार 3. व्यापार एवं वाणिज्य (Trade and Commerce) (A) वाणिज्य – अर्थ (B) व्यापार के प्रकार (C) व्यापार का महत्व 4. खुदरा व्यापार (Retail Trading) Retail Trading

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Grography class 12 cbse course A chapter 6

⭐ Class 12 Geography – Chapter 6: Tertiary and Quaternary Activities 1. Meaning of Tertiary and Quaternary Activities 1.1 Tertiary Activities 1.2 Quaternary Activities 2. Types of Tertiary Activities 3. Trade and Commerce 3.1 Meaning 3.2 Types of Trade A. Internal (Domestic) Trade B. External (Foreign) Trade 3.3 Importance of Trade and Commerce 4. Retail

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Geography class 12 cbse course A अध्याय 5

⭐ कक्षा 12 भूगोल – अध्याय 5: द्वितीयक गतिविधियाँ (Secondary Activities) 1. द्वितीयक गतिविधियों का अर्थ 2. विनिर्माण (Manufacturing) 2.1 विनिर्माण का अर्थ 2.2 विनिर्माण का महत्व 2.3 विनिर्माण की प्रक्रियाओं के प्रकार 3. उद्योगों का असमान भौगोलिक वितरण 3.1 वितरण असमान क्यों है? 3.2 वितरण असमान बनाने वाले प्रमुख कारक 3.3 प्रमुख औद्योगिक क्षेत्र

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Geography class 12 cbse course A chapter 5

Class 12 Geography – Chapter 5: Secondary Activities (Point-wise, 4000 Words Approx.) 1. Meaning of Secondary Activities 2. Manufacturing 2.1 Meaning 2.2 Importance 2.3 Types of Manufacturing Processes 3. Uneven Geographic Distribution of Industries 3.1 Reasons for Uneven Distribution 3.2 Factors Causing Regional Concentration 3.3 Examples of Regional Industrial Concentration 4. Access to Agglomeration Economies

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Geography class 12 cbse course A अध्याय 4

⭐ अध्याय 4 – प्राथमिक गतिविधियाँ (Primary Activities) 1. प्राथमिक गतिविधियों का परिचय 2. शिकार और संग्रह (Hunting and Gathering) A. परिभाषा B. मुख्य विशेषताएँ C. वर्तमान में पाए जाने वाले क्षेत्र D. शिकार और संग्रह में गिरावट के कारण 3. पशुपालन (Pastoralism) A. अर्थ B. विशेषताएँ C. पशुपालन के प्रकार 1. घुमंतू पशुपालन (Nomadic

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Geography class 12 cbse course A chapter 4

PRIMARY ACTIVITIES (Class 12 Geography – Course A, Chapter 4) 1. INTRODUCTION TO PRIMARY ACTIVITIES 2. HUNTING AND GATHERING A. Definition B. Features of Hunting and Gathering C. Areas Where It Exists Today D. Decline of Hunting and Gathering 3. PASTORALISM A. Meaning B. Characteristics C. Types of Pastoralism 1. Nomadic Pastoralism Features: Examples: 2.

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political science CBSE class 12th course A अध्याय 2 sample paper

🧭 राजनीति विज्ञान – कक्षा 12 (CBSE कोर्स A) अध्याय 2: समकालीन शक्ति केंद्र 🟩 सेक्शन A – बहुत लघु उत्तरीय प्रश्न (1 अंक प्रत्येक) ❓प्रश्न 1: यूरोपीय संघ (EU) की स्थापना किस संधि से हुई थी?उत्तर: मास्ट्रिख संधि (Maastricht Treaty), 1992। ❓प्रश्न 2: ASEAN का पूर्ण रूप क्या है?उत्तर: Association of South East Asian

Class 12th Hindi Medium Political Science Notes

political science CBSE class 12th course A chapter 2 sample paper

🧭 CBSE Sample Paper – Political Science Class 12 Chapter 2: Contemporary Centres of Power 🟩 सेक्शन A – बहुत लघु उत्तरीय प्रश्न (1 अंक प्रत्येक) ❓प्रश्न 1: यूरोपीय संघ (EU) की स्थापना किस संधि से हुई थी?उत्तर: मास्ट्रिख संधि (Maastricht Treaty), 1992। ❓प्रश्न 2: ASEAN का पूर्ण रूप लिखिए।उत्तर: Association of South East Asian

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political science CBSE class 12th course A अध्याय 2

🧭 अध्याय 2 – समकालीन शक्ति केंद्र (Contemporary Centres of Power) 🔹 परिचय 🟩 1. यूरोपीय संघ (European Union – EU) 🌍 गठन और पृष्ठभूमि ⚙️ मुख्य उद्देश्य 💶 यूरोजोन और आर्थिक एकीकरण 🛡️ सैन्य और राजनीतिक प्रभाव 💡 EU का महत्व ⚖️ EU के समक्ष चुनौतियाँ 🧭 EU का निष्कर्ष 🟩 2. दक्षिण-पूर्व एशियाई

Class 12th English Medium Political Science Notes

political science CBSE class 12th course A अध्याय 1 sample paper

🧾 कक्षा 12 – राजनीति विज्ञान (Course A) अध्याय 1: द्विध्रुवीयता का अंत (The End of Bipolarity) CBSE पैटर्न नमूना प्रश्नपत्र (उत्तर सहित) कुल अंक: 50 | समय: 2 घंटे 🟩 खंड – A (अति लघु उत्तरीय प्रश्न – 1 अंक प्रत्येक) (प्रत्येक प्रश्न के उत्तर 30–40 शब्दों में दीजिए।) प्र.1. सोवियत व्यवस्था क्या थी?उत्तर:सोवियत व्यवस्था एक

Class 12th Hindi Medium Political Science Notes

political science CBSE class 12th course A अध्याय 1

अध्याय 1 — द्विध्रुवीयता का अंत (The End of Bipolarity) 1. सोवियत प्रणाली क्या थी? (What was the Soviet System) 2. गोर्बाचेव और विघटन (Gorbachev and the Disintegration) 3. सोवियत संघ क्यों टूटा? (Why Did the Soviet Union Disintegrate) 4. झटका उपचार (Shock Therapy) – उत्तर-समाजवादी शासन में (In Post-Communist Regimes) 5. झटका उपचार के

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