RBSE Class 12 Biology Most Expected Questions 2026
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RBSE Class 12 Biology Most Expected Questions 2026 (High Weightage & Diagram Priority)
यह लेख RBSE Class 12 Biology Most Expected Questions 2026 के लिए तैयार किया गया है। यहाँ वे प्रश्न शामिल हैं जिनके बोर्ड परीक्षा में पूछे जाने की संभावना सबसे अधिक है। प्रश्नों को diagram priority एवं marks weightage के आधार पर चुना गया है।
Related Biology Resources:
- RBSE Class 12 Biology Important Questions 2026
- RBSE Class 12 Biology Important Diagrams PDF 2026
- RBSE Class 12 Biology Chapter Wise Notes 2026
🔥 UNIT–WISE MOST EXPECTED QUESTIONS
📕 Unit 1 – Reproduction (VERY HIGH PROBABILITY)
⭐ Q1. Flower का L.S. labelled diagram बनाइए। (5 Marks)
- Stigma, Style, Ovary, Ovule
- Diagram neat एवं labelled
⭐ Q2. Double fertilisation को flow diagram द्वारा समझाइए। (3–5 Marks)
- Syngamy
- Triple fusion
⭐ Q3. Menstrual cycle का graph बनाइए। (3 Marks)
- X-axis: Days
- Y-axis: Hormone level
- Ovulation mark
📕 Unit 2 – Genetics & Evolution (HIGHEST WEIGHTAGE)
⭐ Q4. Monohybrid cross का Punnett square बनाइए। (3 Marks)
- Genotypic ratio: 1:2:1
- Phenotypic ratio: 3:1
⭐ Q5. Pedigree chart द्वारा haemophilia समझाइए। (5 Marks)
- X-linked disorder
- Carrier female
⭐ Q6. Homologous एवं Analogous अंगों में अंतर diagram सहित लिखिए। (5 Marks)
- Evolutionary evidence
- Examples अनिवार्य
📕 Unit 3 – Biology in Human Welfare
⭐ Q7. Biogas plant का labelled diagram बनाइए। (5 Marks)
- Methanogens
- Methane production
⭐ Q8. Sewage treatment plant का flow diagram बनाइए। (3 Marks)
- Primary treatment
- Secondary treatment
- BOD reduction
📕 Unit 4 – Biotechnology (GUARANTEED QUESTIONS)
⭐ Q9. Recombinant DNA technology की प्रक्रिया diagram सहित समझाइए। (5 Marks)
- Restriction enzyme
- Vector
- Transformation
⭐ Q10. PCR का flow diagram बनाइए। (3 Marks)
- Denaturation – 94°C
- Annealing – 55°C
- Extension – 72°C
⭐ Q11. Human insulin के उत्पादन की प्रक्रिया diagram द्वारा समझाइए। (5 Marks)
📘 More RBSE Class 12 Biology Resources
- Complete Biology Important Questions (Chapter-wise)
- Download Biology Diagrams PDF (Printable)
- RBSE Class 12 Biology Last Minute Strategy
• इन प्रश्नों में से कम से कम 60–70% प्रश्न परीक्षा में दिखाई देते हैं
• Diagram साफ़, labelled एवं pencil-like रखें
• Extra theory लिखकर marks न काटें
© ncertclasses.com | RBSE Class 12 Biology Most Expected Questions 2026
RBSE Class 12 Biology Most Expected Questions 2026 – Chapter Wise
Marwari Mission 100
RBSE Class 12 Biology Most Expected Questions 2026 (Chapter-wise Expected Questions & Marks Weightage)
इस भाग में RBSE Class 12 Biology के chapter-wise most expected questions को marks weightage के साथ प्रस्तुत किया गया है। यह section छात्रों को यह समझने में मदद करता है कि किस अध्याय से कितने marks के प्रश्न लगभग निश्चित होते हैं।
Recommended Biology Resources:
- RBSE Class 12 Biology Important Questions 2026
- RBSE Class 12 Biology Important Diagrams PDF
- RBSE Class 12 Biology Chapter Wise Notes
📊 Chapter-Wise Expected Questions & Marks
📕 Reproduction in Organisms (6–8 Marks)
- Binary fission / Budding का diagram (3 Marks)
- Sexual vs Asexual reproduction (Short note – 2 Marks)
- Life cycle based diagram question (3 Marks)
📕 Sexual Reproduction in Flowering Plants (8–10 Marks)
- Flower का L.S. labelled diagram (5 Marks)
- Double fertilisation – flow diagram (3–5 Marks)
📕 Human Reproduction (6–8 Marks)
- Male/Female reproductive system diagram (5 Marks)
- Menstrual cycle graph (3 Marks)
📕 Principles of Inheritance & Variation (10–12 Marks)
- Monohybrid cross – Punnett square (3 Marks)
- Dihybrid cross – Law of independent assortment (5 Marks)
- Pedigree chart (3–5 Marks)
📕 Molecular Basis of Inheritance (8–10 Marks)
- DNA double helix diagram (5 Marks)
- DNA replication fork (5 Marks)
- Transcription/Translation flow (3 Marks)
📕 Evolution (5–7 Marks)
- Homologous vs Analogous organs (5 Marks)
- Human evolution diagram (3 Marks)
📕 Human Health & Disease (5–7 Marks)
- Plasmodium life cycle (5 Marks)
- Vaccination immune response graph (3 Marks)
📕 Microbes in Human Welfare (5–7 Marks)
- Biogas plant diagram (5 Marks)
- Sewage treatment flow (3 Marks)
📕 Biotechnology – Principles & Applications (8–10 Marks)
- rDNA technology – flow diagram (5 Marks)
- PCR diagram (3 Marks)
- Insulin production (5 Marks)
📌 Smart Preparation Strategy (RBSE Toppers)
- पहले 8–10 marks वाले chapters को मजबूत करें
- Diagram-based questions को daily practice करें
- हर diagram के साथ 3–4 key points याद रखें
📘 More RBSE Class 12 Biology Help
- Complete Biology Important Questions
- Printable Biology Diagrams PDF
- RBSE Class 12 Biology Last Minute Strategy
• ऊपर दिए गए chapters से 70% पेपर बनता है
• Diagram + short explanation = maximum marks
• Last 10 days सिर्फ diagrams और expected questions दोहराएँ
© ncertclasses.com | RBSE Class 12 Biology Most Expected Questions 2026
RBSE Class 12 Biology Most Expected Questions 2026 – Final Revision Plan
Marwari Mission 100
RBSE Class 12 Biology Most Expected Questions 2026 (Unit-wise Revision Checklist & 7-Day Smart Plan)
यह Article 23 का अंतिम भाग है, जिसमें RBSE Class 12 Biology के लिए unit-wise revision checklist तथा 7-day smart revision plan दिया गया है। यह section विशेष रूप से उन छात्रों के लिए है जो परीक्षा से पहले maximum score करना चाहते हैं।
Must-Use Biology Resources:
- RBSE Class 12 Biology Important Questions 2026
- RBSE Class 12 Biology Important Diagrams PDF
- RBSE Class 12 Biology Chapter Wise Revision Notes
📌 UNIT-WISE REVISION CHECKLIST (DO NOT SKIP)
📕 Unit 1 – Reproduction
- Flower L.S. diagram
- Double fertilisation flow
- Menstrual cycle graph
📕 Unit 2 – Genetics & Evolution
- Monohybrid + Dihybrid cross
- Pedigree chart (X-linked)
- Homologous vs Analogous diagram
- Human evolution sequence
📕 Unit 3 – Human Health & Welfare
- Plasmodium life cycle
- Vaccination immune response graph
- AIDS / Cancer short diagram
📕 Unit 4 – Food Production & Microbes
- Plant breeding steps
- Biogas plant diagram
- Sewage treatment flow
📕 Unit 5 – Biotechnology
- rDNA technology steps
- PCR temperatures
- Insulin production process
🗓️ 7-DAY SMART REVISION PLAN (RBSE BIOLOGY)
| Day | Focus Area | Target |
|---|---|---|
| Day 1 | Reproduction | All diagrams + 10 expected questions |
| Day 2 | Genetics | Crosses + pedigree practice |
| Day 3 | Molecular Biology | DNA, replication, transcription |
| Day 4 | Evolution | Diagrams + short notes |
| Day 5 | Health & Disease | Life cycles + graphs |
| Day 6 | Microbes & Food Production | Flow diagrams only |
| Day 7 | Biotechnology | rDNA, PCR, insulin (REVISION) |
🎯 FINAL EXAM DAY STRATEGY
- Diagram पहले बनाइए, फिर explanation लिखिए
- हर answer में labels साफ़ रखें
- Graphs में axes naming अनिवार्य
- Over-attempt न करें
📘 More RBSE Class 12 Biology Support
- Complete Biology Important Questions
- Printable Biology Diagrams PDF
- RBSE Class 12 Biology Last Minute Strategy
• इस article को print करके last 7 days follow करें
• Diagrams रोज़ 30 मिनट practice करें
• यही strategy toppers follow करते हैं
© ncertclasses.com | RBSE Class 12 Biology Most Expected Questions 2026


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