BIHAR-BOARD-XII
Biology Analysis
Comprehensive breakdown of 46 chapters with 308 previous year questions. Explore priority-sorted content and weightage analytics.
46
Chapters
308
Total Questions
PYQ
Years Covered
Chapters
Sorted by Questions high Yield
Biotechnology
High-Yield Trend
6
2025 12
2024 8
2023 Topics 0
Questions 26
medium Yield
Human Health And Disease
High-Yield Trend
5
2025 11
2024 9
2023 Topics 0
Questions 25
medium Yield
Human Reproduction
High-Yield Trend
10
2025 6
2024 5
2023 Topics 0
Questions 21
medium Yield
The Molecular Basis Of Inheritance
High-Yield Trend
6
2025 11
2024 4
2023 Topics 0
Questions 21
medium Yield
Evolution
High-Yield Trend
9
2025 5
2024 6
2023 Topics 0
Questions 20
medium Yield
Genetics
High-Yield Trend
11
2025 9
2023 Topics 0
Questions 20
medium Yield
Ecology
High-Yield Trend
14
2025 1
2024 Topics 0
Questions 15
medium Yield
Applications Of Biotechnology
High-Yield Trend
8
2024 6
2023 Topics 0
Questions 14
low Yield
Reproductive Health
High-Yield Trend
5
2024 6
2023 Topics 0
Questions 11
low Yield
Ecology Environment
High-Yield Trend
10
2023 Topics 0
Questions 10
low Yield
Environmental Issues
High-Yield Trend
4
2025 3
2024 3
2023 Topics 0
Questions 10
low Yield
Microbes In Human Welfare
High-Yield Trend
1
2025 4
2024 4
2023 Topics 0
Questions 9
low Yield
Principles Of Inheritance And Variation
High-Yield Trend
8
2024 Topics 0
Questions 8
low Yield
Reproduction In Organisms
High-Yield Trend
6
2025 2
2023 Topics 0
Questions 8
low Yield
Sexual Reproduction In Flowering Plants
High-Yield Trend
8
2024 Topics 0
Questions 8
low Yield
Morphology Of Flowering Plants
High-Yield Trend
4
2025 3
2023 Topics 0
Questions 7
low Yield
Biology And Human Welfare
High-Yield Trend
4
2025 1
2023 Topics 0
Questions 5
low Yield
Ecosystem
High-Yield Trend
5
2024 Topics 0
Questions 5
low Yield
Organisms And Populations
High-Yield Trend
5
2024 Topics 0
Questions 5
low Yield
Reproduction In Plants
High-Yield Trend
2
2025 3
2023 Topics 0
Questions 5
low Yield
Biodiversity And Conservation
High-Yield Trend
4
2024 Topics 0
Questions 4
low Yield
Botany
High-Yield Trend
4
2023 Topics 0
Questions 4
low Yield
Food Technology
High-Yield Trend
4
2025 Topics 0
Questions 4
low Yield
Plant Physiology
High-Yield Trend
3
2025 1
2023 Topics 0
Questions 4
low Yield
Biology In Everyday Life
High-Yield Trend
1
2025 2
2023 Topics 0
Questions 3
low Yield
Diversity In The Living World
High-Yield Trend
1
2025 2
2023 Topics 0
Questions 3
low Yield
Genetics And Evolution
High-Yield Trend
3
2023 Topics 0
Questions 3
low Yield
Pollination
High-Yield Trend
3
2023 Topics 0
Questions 3
low Yield
Ecology And Environment
High-Yield Trend
2
2025 Topics 0
Questions 2
low Yield
Embryology
High-Yield Trend
2
2023 Topics 0
Questions 2
low Yield
Environmental Pollution
High-Yield Trend
2
2023 Topics 0
Questions 2
low Yield
General Science
High-Yield Trend
1
2025 1
2024 Topics 0
Questions 2
low Yield
Molecular Basis Of Inheritance
High-Yield Trend
2
2023 Topics 0
Questions 2
low Yield
Plant Adaptations
High-Yield Trend
2
2023 Topics 0
Questions 2
low Yield
Soil Testing
High-Yield Trend
2
2023 Topics 0
Questions 2
low Yield
Strategies For Enhancement In Food Production
High-Yield Trend
2
2024 Topics 0
Questions 2
low Yield
Zoology
High-Yield Trend
2
2023 Topics 0
Questions 2
low Yield
Animal Diversity
High-Yield Trend
1
2025 Topics 0
Questions 1
low Yield
Biochemistry
High-Yield Trend
1
2023 Topics 0
Questions 1
low Yield
Biomolecules
High-Yield Trend
1
2023 Topics 0
Questions 1
low Yield
Cell Division
High-Yield Trend
1
2023 Topics 0
Questions 1
low Yield
Environmental Science
High-Yield Trend
1
2023 Topics 0
Questions 1
low Yield
Human Physiology
High-Yield Trend
1
2023 Topics 0
Questions 1
low Yield
Molecular Biology
High-Yield Trend
1
2025 Topics 0
Questions 1
low Yield
Principles Of Mendelian Inheritance
High-Yield Trend
1
2023 Topics 0
Questions 1
low Yield
Vitamins And Nutrition
High-Yield Trend
1
2023 Topics 0
Questions 1
About Biology for BIHAR-BOARD-XII
Scoring high in Biology is crucial for clearing the BIHAR-BOARD-XII cut-offs. Our chapter-wise breakdown helps you understand exactly which topics have historically carried the most weightage in the exam.
By practicing Biology previous year questions, you can familiarize yourself with the recurring concepts, difficulty level, and framing of questions. We recommend starting your revision with the chapters that have the highest number of PYQs listed above.
Biology Preparation FAQs
How is the Biology section structured in BIHAR-BOARD-XII?
The Biology section tests your fundamental understanding and application of concepts. Reviewing the PYQs will give you a clear picture of the theoretical vs numerical ratio and the depth of knowledge required.
Which chapters should I prioritize in Biology?
The chapters are already sorted by the number of questions asked in previous years. Focus your initial preparation on the chapters at the top of the list, as they historically yield the most marks.