India's #1 AI Tutorimportant-questions · Hindi — Vasant · Chapter 6

Important Questions: CBSE Class 7 Hindi — Vasant Chapter 6 रक्त और हमारा शरीर

CBSE Class 7 Hindi Vasant Chapter 6 'रक्त और हमारा शरीर' is a विज्ञान आधारित पाठ that introduces students to human circulatory system basics — blood components, their functions, blood groups, and the importance of blood donation. Written in accessible Hindi, it builds scientific vocabulary while explaining how our body transports oxygen, nutrients, and fights infections. This chapter typically contributes 3–5 marks in term exams through comprehension passages, technical term definitions, and structured questions on blood composition and heart functions.

Your child's private AI tutor — trained on NCERT.

3-day free trial · ₹1 to start · Cancel anytime.

Start 3-day free trial →

Key takeaways

✓Chapter 6 typically carries 3–5 marks in CBSE Class 7 Hindi term exams through comprehension and technical vocabulary questions
✓रक्त की संरचना (RBC, WBC, platelets, plasma) और उनके कार्य are high-frequency topics in 2-mark and 3-mark questions
✓रक्त समूह और आधान की प्रक्रिया appear regularly in 3-mark questions requiring sequential explanation
✓हृदय और रक्त परिसंचरण का विवरण is a common 5-mark long-answer topic in annual exams
✓Technical terminology (तकनीकी शब्दावली) from this science-based lesson is tested through MCQs and fill-in-the-blanks
✓Case-based questions linking blood donation drives or health awareness campaigns to chapter concepts now appear in CBSE papers
✓Clear, sequential answers using NCERT terms like 'लाल रक्त कणिकाएँ', 'श्वेत रक्त कणिकाएँ', 'प्लाज़्मा' fetch full marks

Chapter Overview and Marks Weightage in CBSE Exam

CBSE Class 7 Hindi Vasant Chapter 6 'रक्त और हमारा शरीर' falls under the विज्ञान आधारित पाठ category, bridging language and science education. The chapter explains रक्त की संरचना (plasma, RBC, WBC, platelets), रक्त के कार्य (oxygen transport, disease protection, clotting), रक्त समूह (A, B, AB, O and Rh factor), and हृदय एवं रक्त परिसंचरण. Term-1 and Term-2 exams typically allocate 3–5 marks from this chapter through multiple-choice questions on blood components (1 mark), short answers on functions of RBC/WBC (2 marks), medium answers on blood donation importance or circulation process (3 marks), and occasionally a 5-mark question on complete circulatory system description or a case study on blood banks. The chapter tests both comprehension skills and mastery of तकनीकी शब्दावली essential for scientific writing in Hindi.

Expected weightage: 3–5 marks in 80-mark term exam (approximately 4–6% of paper)
Question types: 2 MCQs (1 mark each), 1 VSA (2 marks), 1 SA (3 marks), occasional LA (5 marks)
High-frequency topics: Blood components and their functions, blood groups and transfusion rules, importance of blood donation
Competency tested: Scientific vocabulary in Hindi, sequential explanation of biological processes, real-life application of concepts

1-Mark Questions: MCQs and Very Short Answers

One-mark questions from Chapter 6 रक्त और हमारा शरीर test factual recall and technical vocabulary. CBSE typically includes 1–2 multiple-choice questions or fill-in-the-blanks targeting blood component names, their primary functions, or blood group facts. Students should memorise exact NCERT Hindi terms like 'लाल रक्त कणिकाएँ', 'हीमोग्लोबिन', 'प्लाज़्मा', 'प्लेटलेट्स' and match them to functions. One-word or one-sentence answers are expected. Practising these MCQs builds confidence and ensures quick 1-mark pickups in the exam. Focus on definitional clarity — for instance, knowing that platelets help in 'रक्त का थक्का बनाना' and WBCs perform 'रोगों से रक्षा'. These foundational questions also prepare students for longer descriptive answers in 3-mark and 5-mark sections where the same terms must be used accurately.

**Q1.** रक्त में ऑक्सीजन का परिवहन कौन-सी कणिकाएँ करती हैं? (a) श्वेत रक्त कणिकाएँ (b) लाल रक्त कणिकाएँ (c) प्लेटलेट्स (d) प्लाज़्मा **Answer:** (b) लाल रक्त कणिकाएँ
**Q2.** हीमोग्लोबिन किसमें पाया जाता है? (a) WBC (b) Platelets (c) RBC (d) Plasma **Answer:** (c) RBC (लाल रक्त कणिकाओं में)
**Q3.** रक्त का थक्का जमाने में सहायक घटक कौन-सा है? (a) प्लाज़्मा (b) श्वेत रक्त कणिकाएँ (c) प्लेटलेट्स (d) हीमोग्लोबिन **Answer:** (c) प्लेटलेट्स
**Q4.** सार्वत्रिक रक्तदाता (Universal donor) रक्त समूह कौन-सा है? (a) A (b) B (c) AB (d) O **Answer:** (d) O
**Q5.** Fill in the blank: श्वेत रक्त कणिकाएँ शरीर को _______ से बचाती हैं। **Answer:** रोगों / संक्रमण

2-Mark Questions: Short Answers

Two-mark questions require concise definitions or comparisons, typically answered in 30–40 words (2–3 sentences). CBSE Class 7 Hindi Vasant exams frequently ask students to differentiate between two blood components (RBC vs WBC), state two functions of a specific component, or explain a single concept like 'रक्तदान क्यों आवश्यक है?' Answers must use NCERT terminology and be structured in bullet points or numbered sentences for clarity. For example, when comparing लाल और श्वेत रक्त कणिकाएँ, mention colour/shape, presence or absence of nucleus, and primary function. Award of marks depends on inclusion of both key points and correct Hindi scientific terms. Practising 8–10 such questions ensures students can deliver precise, jargon-rich responses under time pressure during the exam.

**Q6.** लाल रक्त कणिकाएँ और श्वेत रक्त कणिकाएँ में दो अंतर लिखिए। **Answer:** (i) लाल रक्त कणिकाएँ लाल रंग की होती हैं (हीमोग्लोबिन के कारण), जबकि श्वेत कणिकाएँ रंगहीन होती हैं। (ii) लाल कणिकाओं में केन्द्रक नहीं होता, श्वेत कणिकाओं में केन्द्रक होता है।
**Q7.** प्लाज़्मा क्या है? इसके दो कार्य बताइए। **Answer:** प्लाज़्मा रक्त का तरल भाग है जो हल्के पीले रंग का होता है। कार्य: (i) पोषक तत्वों और हार्मोन का परिवहन। (ii) रक्त कणिकाओं को बहने का माध्यम प्रदान करना।
**Q8.** प्लेटलेट्स का मुख्य कार्य क्या है? **Answer:** प्लेटलेट्स रक्त के थक्के जमाने में सहायक होती हैं, जिससे चोट लगने पर रक्तस्राव रुक जाता है और घाव भरने में मदद मिलती है।
**Q9.** रक्तदान क्यों महत्वपूर्ण है? दो कारण दीजिए। **Answer:** (i) दुर्घटना या शल्य-चिकित्सा में रक्त की कमी पूरी करने के लिए रक्तदान आवश्यक है। (ii) एक स्वस्थ व्यक्ति नियमित रक्तदान कर कई जीवन बचा सकता है, और रक्तदान से दाता के स्वास्थ्य पर कोई हानिकारक प्रभाव नहीं पड़ता।

3-Mark Questions: Medium Answers

Three-mark questions demand structured explanations in 50–70 words, often asking 'क्या', 'क्यों' and 'कैसे' together. Common patterns include: explaining रक्त समूह और आधान नियम, describing the complete function set of any one blood component, or discussing रक्तदान अभियान का सामाजिक महत्व. Students should open with a topic sentence, follow with 3–4 supporting points (numbered or bulleted), and use technical terms from NCERT. For instance, a question on 'रक्त परिसंचरण कैसे होता है?' expects mention of हृदय के कक्ष (atria, ventricles), धमनियाँ (arteries carrying oxygenated blood), शिराएँ (veins returning deoxygenated blood), and फेफड़ों में ऑक्सीजन का आदान-प्रदान. Marks are split: 1 for correct concept, 1 for NCERT terminology, 1 for logical sequence. Practising 5–6 such questions with timed writing improves both content accuracy and speed.

**Q10.** रक्त के विभिन्न घटक और उनके मुख्य कार्य बताइए। **Answer:** रक्त के चार मुख्य घटक हैं: (i) **लाल रक्त कणिकाएँ (RBC):** हीमोग्लोबिन द्वारा ऑक्सीजन का परिवहन करती हैं। (ii) **श्वेत रक्त कणिकाएँ (WBC):** शरीर को संक्रमण और रोगों से बचाती हैं। (iii) **प्लेटलेट्स:** रक्त का थक्का बनाकर रक्तस्राव रोकती हैं। (iv) **प्लाज़्मा:** तरल माध्यम जो पोषक तत्व, हार्मोन और अपशिष्ट पदार्थों का परिवहन करता है।
**Q11.** रक्त समूह क्या होते हैं? रक्त आधान के समय किन बातों का ध्यान रखना चाहिए? **Answer:** रक्त समूह चार प्रकार के होते हैं: A, B, AB और O। रक्त आधान के समय दाता और ग्राही के रक्त समूह का मिलान आवश्यक है। O समूह सार्वत्रिक दाता है (सभी को दे सकता है) और AB सार्वत्रिक ग्राही है (सभी से ले सकता है)। Rh factor (+ या −) का भी मिलान ज़रूरी है, अन्यथा प्रतिक्रिया हो सकती है।
**Q12.** हृदय की संरचना और रक्त परिसंचरण की प्रक्रिया समझाइए। **Answer:** हृदय चार कक्षों वाला पेशीय अंग है: दो अलिंद (atria) और दो निलय (ventricles)। शुद्ध रक्त (ऑक्सीजन-युक्त) फेफड़ों से बाएँ अलिंद में आता है, फिर बाएँ निलय से धमनियों द्वारा पूरे शरीर में जाता है। अशुद्ध रक्त (CO₂-युक्त) शिराओं से दाएँ अलिंद में लौटता है, दाएँ निलय से फेफड़ों में जाकर शुद्ध होता है। यह चक्र निरंतर चलता रहता है।
**Q13.** रक्तदान अभियान का सामाजिक और चिकित्सीय महत्व बताइए। **Answer:** रक्तदान अभियान से रक्त बैंकों में पर्याप्त भंडार रहता है, जिससे आपातकालीन स्थितियों (दुर्घटना, शल्य-चिकित्सा, प्रसव) में तुरंत रक्त मिल सके। सामाजिक दृष्टि से यह मानवता और सेवा भाव का प्रतीक है। चिकित्सकीय रूप से, नियमित रक्तदान दाता के स्वास्थ्य को भी लाभ पहुँचाता है (नई रक्त कणिकाएँ बनती हैं) और किसी को हानि नहीं होती।

5-Mark Questions: Long Answers and Case-Based Questions

Five-mark questions test depth, integration, and real-world application. CBSE may ask for a detailed description of the entire circulatory system, a comprehensive note on रक्त की संरचना एवं कार्य covering all four components, or present a case study (e.g. a school blood donation camp scenario) followed by 2–3 sub-questions. Answers should span 100–120 words, use subheadings or numbered points, and weave in NCERT terminology throughout. For a question like 'रक्त और हमारे शरीर के बारे में विस्तार से लिखिए', students must cover: रक्त क्या है, घटक (RBC, WBC, platelets, plasma) और उनके कार्य, रक्त समूह, परिसंचरण तंत्र, और रक्तदान का महत्व. Case-based questions might describe a patient needing emergency transfusion and ask which blood group is safest, why cross-matching is done, and what precautions hospitals take. Practising 3–4 such comprehensive questions builds stamina for the annual exam's descriptive section and ensures students can synthesise chapter concepts fluently in Hindi.

**Q14.** रक्त की संरचना, कार्य एवं रक्त परिसंचरण तंत्र का विस्तृत वर्णन कीजिए। **Model Answer (120 words):** रक्त एक तरल संयोजी ऊतक है जो शरीर के सभी अंगों को ऑक्सीजन, पोषक तत्व और हार्मोन पहुँचाता है तथा अपशिष्ट पदार्थ एकत्र करता है। **घटक:** (i) लाल रक्त कणिकाएँ (RBC) — हीमोग्लोबिन द्वारा O₂ परिवहन; (ii) श्वेत रक्त कणिकाएँ (WBC) — रोग प्रतिरोध; (iii) प्लेटलेट्स — थक्का बनाना; (iv) प्लाज़्मा — तरल माध्यम। **परिसंचरण:** हृदय चार-कक्षीय पंप है। शुद्ध रक्त बाएँ भाग से धमनियों द्वारा शरीर में जाता है; अशुद्ध रक्त दाएँ भाग से शिराओं द्वारा फेफड़ों में शुद्ध होता है। यह द्वि-परिसंचरण (शरीर और फेफड़े) निरंतर चलता है, जिससे कोशिकाओं को ऊर्जा मिलती रहती है।
**Q15.** **Case Study:** एक विद्यालय में रक्तदान शिविर आयोजित हुआ। 50 लोगों ने रक्तदान किया। रक्त बैंक ने विभिन्न रक्त समूहों का वर्गीकरण किया। **(a)** सार्वत्रिक दाता और सार्वत्रिक ग्राही रक्त समूह कौन-से हैं? (2 marks) **(b)** रक्त आधान से पहले क्रॉस-मैचिंग क्यों की जाती है? (2 marks) **(c)** इस शिविर का सामाजिक महत्व एक वाक्य में लिखिए। (1 mark) **Model Answers:** (a) सार्वत्रिक दाता: O; सार्वत्रिक ग्राही: AB। (b) क्रॉस-मैचिंग से यह सुनिश्चित होता है कि दाता और ग्राही के रक्त समूह एवं Rh factor मेल खाते हैं, जिससे रक्त आधान के बाद प्रतिक्रिया या थक्का बनने से बचा जा सके। (c) शिविर ने रक्त बैंक को भंडार बढ़ाने और छात्रों में सेवा भाव जगाने में योगदान दिया।
**Q16.** रक्त और हमारे शरीर में इसकी भूमिका पर एक संपूर्ण लेख लिखिए। (5 marks) **Suggested structure:** परिचय (रक्त क्या है), घटक विवरण (प्रत्येक के कार्य सहित), रक्त समूह और आधान नियम, परिसंचरण की प्रक्रिया, रक्तदान का महत्व। कुल 100–120 शब्द।

How CBSE Frames Questions from This Chapter

CBSE question-setters follow predictable patterns when designing questions from विज्ञान आधारित पाठों like रक्त और हमारा शरीर. MCQs and fill-in-the-blanks target factual recall of component names and primary functions (e.g. 'हीमोग्लोबिन की कमी से कौन-सा रोग होता है?'). Two-mark VSAs ask for comparisons (RBC vs WBC), definitions, or listing two functions. Three-mark SAs require sequential explanations — 'रक्त परिसंचरण की प्रक्रिया को चरणबद्ध समझाइए' or analytical responses like 'रक्तदान अभियान समाज के लिए क्यों आवश्यक है?' Five-mark questions either demand exhaustive descriptive answers covering the entire chapter or present a case study linking chapter content to real scenarios (blood donation camps, emergency transfusion, health awareness drives). Recent CBSE trends include competency-based and application-oriented items: a graph showing blood component percentages with interpretation questions, or a newspaper clipping about a blood shortage followed by inferential questions. To score full marks, students must use NCERT Hindi terminology precisely, structure answers with subheadings or bullets, and connect scientific facts to everyday health awareness.

Factual MCQs on component identification and single-function recall (1 mark each)
Definitional VSAs requiring two-point comparisons or dual-function listings (2 marks)
Process-based SAs demanding step-wise or cause-effect explanations (3 marks)
Comprehensive LAs integrating all subtopics or case-study analysis with sub-questions (5 marks)
Application items: interpret a pie chart of blood composition, suggest blood group for a patient scenario, design a poster slogan for blood donation
Competency focus: Scientific vocabulary in Hindi, logical sequencing, real-life health literacy

Common Mistakes Students Make and How to Avoid Them

Even well-prepared students lose marks in Chapter 6 due to recurring errors. The most frequent mistake is using colloquial or English terms instead of NCERT Hindi vocabulary — writing 'red blood cells' or 'खून के लाल सेल' instead of the correct 'लाल रक्त कणिकाएँ'. Mark schemes penalise non-standard terminology. Another common error is confusing the functions of RBC and WBC: students state that WBCs carry oxygen or that RBCs fight infection. Carefully re-read NCERT definitions and make flashcards mapping each component to its exact function. In questions on blood groups, students often forget to mention Rh factor or incorrectly state transfusion rules (e.g. claiming AB can donate to all). Always double-check: O is universal donor, AB is universal recipient. Structural mistakes include writing long, unbroken paragraphs for 3-mark and 5-mark answers; examiners prefer numbered points or subheadings for easy marking. Finally, many students skip the case-study sub-parts or misread them under time pressure. Practice reading case passages twice and underlining keywords before answering. Regular self-assessment using sample papers prevents these pitfalls and builds exam confidence.

**Terminology errors:** Using 'सफेद कोशिकाएँ' instead of 'श्वेत रक्त कणिकाएँ' — learn exact NCERT terms
**Function mix-up:** Confusing RBC (ऑक्सीजन परिवहन) with WBC (रोग प्रतिरोध) — make a comparison table
**Blood-group rules:** Forgetting Rh factor or misstating donor-recipient compatibility — memorise 'O universal donor, AB universal recipient'
**Unstructured answers:** Writing 5-mark answers as a single paragraph — use subheadings, bullets, or numbered points
**Ignoring diagrams:** Not labelling heart chambers or blood flow arrows when asked — practice simple sketches with Hindi labels
**Case-study errors:** Answering sub-questions out of context or missing mark distribution — read passage carefully, underline key data

Smart Revision Strategy for Maximum Marks

To excel in questions from Chapter 6 रक्त और हमारा शरीर, adopt a three-phase revision plan. **Phase 1 (Conceptual clarity, Week 1):** Read the NCERT chapter twice, underlining all bold terms (लाल रक्त कणिकाएँ, हीमोग्लोबिन, प्लाज़्मा, etc.). Create a four-column table listing each blood component, its structure, function, and related disease/condition. Watch a short Hindi educational video on blood circulation to visualise the heart-lung-body loop. **Phase 2 (Question practice, Week 2):** Solve all NCERT textbook questions, then attempt 5 MCQs, 3 VSAs, 2 SAs, and 1 LA from past CBSE papers or guidebooks. Time yourself: 1 mark = 1 minute, 5 marks = 5–6 minutes. Self-check answers against model solutions, noting terminology gaps. **Phase 3 (Speed & accuracy, Week 3):** Take a full-length mock test covering Vasant Chapters 5–7, ensuring Chapter 6 questions are done under exam conditions. Revise common mistakes list daily. On exam eve, review your comparison table and blood-group rules flashcard. This phased approach ensures deep understanding, ample practice, and confident performance.

**Day 1–2:** Read NCERT chapter, make vocabulary flashcards (20 key terms with Hindi definitions)
**Day 3–4:** Create a component-function table and a simple heart-circulation flowchart with Hindi labels
**Day 5–7:** Solve 10 MCQs + 5 VSAs from sample papers; check answers and correct terminology mistakes
**Day 8–10:** Write 3 medium answers (3-mark) and 1 long answer (5-mark) under timed conditions; compare with model answers
**Day 11–12:** Attempt a case-study question; practice structuring sub-answers clearly
**Day 13–14:** Full-length mock test (Chapter 6 + others); review incorrect answers, revise blood-group and Rh rules
**Exam eve:** Quick recap of comparison table, common mistakes checklist, and 5-mark question structure template

How CBSETUTOR.ai Supports Chapter 6 Mastery

Many Class 7 students find विज्ञान आधारित हिंदी lessons challenging because they must master both scientific concepts and technical Hindi vocabulary simultaneously. CBSETUTOR.ai offers a 24×7 AI tutor that lets students photograph any question from Chapter 6 — whether it is an MCQ on platelets, a VSA on blood groups, or a 5-mark case study on blood donation — and receive step-by-step solutions in clear Hindi within seconds. The platform explains each blood component's function with memory aids, provides model answers for all question types (1-mark to 5-mark), and highlights NCERT terminology that examiners expect. Students can practice unlimited questions, track weak areas (for example, circulatory process vs blood group rules), and refine answers until they match CBSE marking schemes. At a flat ₹999 per month for all subjects across Classes 6–12, plus a 3-day free trial, CBSETUTOR.ai is an affordable alternative to expensive coaching, delivering personalised Hindi Vasant support anytime, anywhere — perfect for revising late at night or during metro commutes.

**Instant doubt resolution:** Snap a photo of any MCQ, VSA, SA, or LA from Chapter 6 and get detailed Hindi explanations
**Terminology drills:** AI-generated flashcards and quizzes on technical terms (लाल रक्त कणिकाएँ, प्लाज़्मा, आधान, etc.)
**Model answer bank:** Access 20+ sample answers (2-mark, 3-mark, 5-mark) written in NCERT style for quick reference
**Case-study practice:** Solve case-based questions with hints and structured sub-answer templates
**Progress tracking:** Dashboard shows improvement in vocabulary accuracy and answer structuring over time
**Affordable & accessible:** ₹999/month for all subjects, Classes 6–12; 3-day free trial to test Chapter 6 support before committing

Additional Practice Resources and Sample Papers

Beyond the NCERT textbook, students preparing for CBSE Class 7 Hindi Vasant Chapter 6 should utilise official CBSE sample papers (available free on cbse.nic.in), which include 1–2 questions from science-based lessons each year. NCERT Exemplar problems, though not published for Class 7 Hindi, can be approximated by solving higher-difficulty questions from reputed guidebooks like Oswaal or Arihant's question banks. Many schools share internal test papers via parent portals; review past mid-term and annual exams to spot recurring question patterns. Online, DIKSHA portal hosts curated Class 7 Hindi content, including audio readings of the chapter that help with pronunciation of technical terms. YouTube channels like 'Magnet Brains' and 'Study with Sudhir' offer Hindi-medium video explanations of blood structure and circulation, often with animated diagrams. For case-study practice, look for real-world scenarios in health magazines or newspapers (blood donation drives, thalassemia awareness campaigns) and frame your own 5-mark questions. Combining these resources with disciplined daily practice ensures comprehensive coverage and confidence on exam day.

**CBSE official sample papers:** Download from cbse.nic.in; solve last 3 years' papers to see question trends
**Oswaal/Arihant question banks:** Chapter-wise MCQs, VSAs, SAs, LAs with solutions; excellent for variety
**School internal papers:** Request past mid-term/annual exams from teachers; they often repeat high-weightage topics
**DIKSHA app:** Free NCERT-aligned video lessons and quizzes for Class 7 Hindi Vasant
**YouTube (Hindi medium):** Channels like Magnet Brains for animated explanations of blood circulation and heart structure
**Newspaper clippings:** Collect articles on blood donation camps or health drives; practice framing and answering case-study questions

Frequently asked questions

How many marks does Chapter 6 रक्त और हमारा शरीर carry in CBSE Class 7 Hindi term exams?+

Typically 3–5 marks are allocated through a mix of 1-mark MCQs, 2-mark VSAs on component functions, and a 3-mark or 5-mark descriptive question on blood circulation or donation importance. Exact distribution varies by year and paper set.

What are the most important topics to revise for high marks in this chapter?+

Focus on: (i) रक्त के घटक (RBC, WBC, platelets, plasma) and their specific functions, (ii) रक्त समूह (A, B, AB, O) and transfusion rules including Rh factor, (iii) हृदय की संरचना और रक्त परिसंचरण process, and (iv) रक्तदान का महत्व. These four areas cover 90% of exam questions.

How should I write a 5-mark answer on blood and the circulatory system?+

Structure your answer in 4–5 subheadings: (1) Definition of blood, (2) Four components with functions, (3) Blood groups and transfusion basics, (4) Heart structure (four chambers) and circulation pathway, (5) Importance of blood donation. Use numbered points, NCERT terms, and aim for 100–120 words total.

What is the difference between लाल रक्त कणिकाएँ and श्वेत रक्त कणिकाएँ in exam answers?+

RBCs (लाल रक्त कणिकाएँ) are red due to haemoglobin, lack a nucleus, and transport oxygen. WBCs (श्वेत रक्त कणिकाएँ) are colourless, have a nucleus, and protect the body from infections. Clearly stating colour, nucleus presence, and primary function earns full marks in comparison questions.

Which blood group is the universal donor and which is the universal recipient?+

Blood group O is the universal donor (can donate to A, B, AB, O). Blood group AB is the universal recipient (can receive from A, B, AB, O). Always mention Rh factor compatibility (positive/negative) in 3-mark or 5-mark answers for complete accuracy.

How can I remember all the technical Hindi terms like हीमोग्लोबिन, प्लाज़्मा, प्लेटलेट्स?+

Make flashcards with the Hindi term on one side and its function plus a simple diagram on the other. Revise 5 cards daily. Use mnemonic sentences, e.g. 'लाल ले ऑक्सी, सफ़ेद सुरक्षा, प्लेटलेट थक्का, प्लाज़्मा पानी' (Red takes oxygen, white protects, platelet clots, plasma is liquid).

Are case-based questions asked from this chapter in CBSE exams?+

Yes, recent CBSE Class 7 papers include 1–2 case studies per exam. A typical case might describe a blood donation camp or an emergency transfusion scenario, followed by 2–3 sub-questions on blood groups, component functions, or social importance. Practice reading passages carefully and answering in points.

What common mistakes should I avoid when answering questions on blood components?+

Avoid using English terms or colloquial Hindi (e.g. 'red cells' instead of 'लाल रक्त कणिकाएँ'). Do not confuse functions (RBC ≠ infection fighter). Do not skip Rh factor when discussing transfusion. Always structure multi-mark answers with bullets or numbers, not single long paragraphs.

How does CBSETUTOR.ai help with Chapter 6 revision and doubt solving?+

CBSETUTOR.ai provides 24×7 AI-powered tutoring: upload a photo of any question (MCQ, VSA, SA, LA, case study) and receive step-by-step solutions in Hindi using exact NCERT terminology. It offers model answers, flashcard drills, and progress tracking for ₹999/month (all subjects, Classes 6–12) with a 3-day free trial.

Where can I find additional practice questions beyond the NCERT textbook?+

Download CBSE sample papers from cbse.nic.in, use Oswaal or Arihant question banks for Class 7 Hindi Vasant, check your school's past internal exams, explore the DIKSHA app for quizzes, and watch Hindi-medium YouTube channels (Magnet Brains, Study with Sudhir) for video explanations and extra MCQs.

Related resources

Class 7 Hindi — Vasant Chapter 6 रक्त और हमारा शरीर — Formulas & Key Points CBSE Class 7 Hindi — Vasant Chapter 6 रक्त और हमारा शरीर Worksheet with Answers CBSE Class 7 Hindi — Vasant Chapter 5 मिठाईवाला Worksheet with Answers Important Questions: CBSE Class 7 Hindi — Vasant Chapter 7 पापा खो गए AI Tutor for Class 7: The Smart Alternative to Tuition AI Tutor for Class 7 Science: Learn Faster with Instant Help Class 9 Hindi Vasant Chapter 1 ध्वनि Previous Year Questions with Solutions Important Questions: CBSE Class 9 Mathematics Chapter 2 Polynomials

Keep learning — related guides

Class 7Hindi — Vasant

Class 7 Hindi — Vasant Chapter 12 व्याकरण और रचना — Formulas & Key Points

Class 7Hindi — Vasant

CBSE Class 7 Hindi — Vasant Chapter 12 व्याकरण और रचना Worksheet with Answers

Class 7Hindi — Vasant

Important Questions: CBSE Class 7 Hindi — Vasant Chapter 12 व्याकरण और रचना

Class 7Hindi — Vasant

Class 7 Hindi — Vasant Chapter 11 रहीम के दोहे — Formulas & Key Points

Class 7Hindi — Vasant

CBSE Class 7 Hindi — Vasant Chapter 11 रहीम के दोहे Worksheet with Answers

Class 7Hindi — Vasant

Important Questions: CBSE Class 7 Hindi — Vasant Chapter 11 रहीम के दोहे

Ready to give your Class 7 child the tutor that never sleeps?

CBSETUTOR.ai covers every chapter in the Class 7 NCERT syllabus — Maths, Science, Social Science, English, Hindi and more. 24×7. Patient. Unlimited. 3-day free trial.

Start your child's 3-day free trial →