CBSE Class 12 Biology Most Repeated Board Questions: Biology is an important subject for students, especially for those preparing for the 2025 board exam. Knowing the CBSE Class 12 Biology most Repeated Questions can help students focus on key topics and score better in upcoming board exam. To make studying easier, we have listed chapter-wise frequently asked questions from past CBSE Biology board exams. Practising these important questions helps students understand the CBSE Class 12th Biology exam pattern, improve accuracy, and gain confidence. This resource will help students prepare in a structured way and perform well in their board exams. Strengthen your studies with this valuable resource.
Also read,
CBSE Class 12 Biology Exam Pattern 2025
Importance of Practicing CBSE Class 12 Biology Most Repeated Questions
Class 12th Board exams are an important milestone in a student’s academic journey, and achieving a high score requires a well-planned strategy. One of the most effective ways to excel is by practising CBSE Class 12 Biology most Repeated Questions from previous years. These Class 12th Biology frequently asked questions provide valuable insights into important topics, marking schemes, and frequently tested concepts..
- It helps students understand the question format and exam structure.
- Highlights frequently asked topics, allowing students to focus on key concepts.
- Practicing these questions enhances problem-solving skills and boosts confidence.
- Solving past questions improves efficiency during the exam.
Also read,
CBSE Class 12 Biology Previous Year Question Paper
CBSE Class 12 Biology Chapter Wise Weightage 2024-25
CBSE 12th Biology syllabus 2024-25 outlines the unit-wise weightage. This breakup helps the students to know about the high-weightage unit/chapter and make sure they do not miss any important topic.
| Unit | Chapter | Marks |
|---|---|---|
| Reproduction | Sexual Reproduction in Flowering Plants | 16 |
| Human Reproduction | ||
| Reproductive Health | ||
| Genetics and Evolution | Principles of Inheritance and Variation | 20 |
| Molecular Basis of Inheritance | ||
| Evolution | ||
| Biology and Human Welfare | Human Health and Diseases | 12 |
| Microbes in Human Welfare | ||
| Biotechnology and its Applications | Biotechnology - Principles and Processes | 12 |
| Biotechnology and its Applications | ||
| Ecology and Environment | Organisms and Populations | 10 |
| Ecosystem | ||
| Biodiversity and its Conservation | ||
| Total | 70 | |
CBSE Class 12 Biology Chapter-wise Most Repeated Questions in Board Exam
Below is a breakdown of the Class 12 Biology most repeated questions from each chapter, helping students streamline their preparation:
CBSE Class 12 Sexual Reproduction in Flowering Plants Most Repeated Questions
CBSE Class 12 Human Reproduction Most Repeated Questions
CBSE Class 12 Reproductive Health Most Repeated Questions
CBSE Class 12 Principles of Inheritance and Variation Most Repeated Questions
CBSE Class 12 Molecular Basis of Inheritance Most Repeated Questions
CBSE Class 12 Evolution Most Repeated Questions
CBSE Class 12 Human Health and Disease Most Repeated Questions
CBSE Class 12 Microbes in Human Welfare Most Repeated Questions
CBSE Class 12 Biotechnology: Principles and Processes Most Repeated Questions
CBSE Class 12 Biotechnology and its Applications Most Repeated Questions
CBSE Class 12 Organisms and Populations Most Repeated Questions
CBSE Class 12 Ecosystem Most Repeated Questions
CBSE Class 12 Biodiversity and Conservation Most Repeated Questions
