Maharashtra Board Class 10 Science and Technology Part 2 Important Topics 2027
Every topic ranked by how often and how recently it was asked in 8 past board papers (2022–2026).
Top 10 most important topics
| # | Topic | Chapter | Asked in | Importance |
|---|---|---|---|---|
| 1 | Cellular respiration (aerobic / anaerobic, ATP) | Life Processes in Living Organisms Part 1 | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★★★ |
| 2 | Biotechnology and its applications | Cell Biology and Biotechnology | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★★☆ |
| 3 | Hydroelectric, thermal and nuclear power | Towards Green Energy | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★☆☆ |
| 4 | Environmental conservation and management | Environmental Management | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★☆☆ |
| 5 | Types of asexual reproduction | Life Processes in Living Organisms Part 2 | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★☆☆ |
| 6 | Evidences of evolution and speciation | Heredity and Evolution | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★☆☆ |
| 7 | Industrial microbiology | Introduction to Microbiology | Board 2024Board 2025Board 2026 | ★★★☆☆ |
| 8 | Non-chordate phyla and their features | Animal Classification | Board 2022Board 2024Board 2025Board 2026 | ★★☆☆☆ |
| 9 | Useful microbes (fermentation, dairy, antibiotics) | Introduction to Microbiology | Board 2022Board 2024Board 2025Board 2026 | ★★☆☆☆ |
| 10 | Distinguishing characteristics of classes | Animal Classification | Board 2022Board 2024Board 2025Board 2026 | ★★☆☆☆ |
Chapter-wise important topics
Heredity and Evolution · Genetics, Evolution & Life Processes
| Evidences of evolution and speciation asked 10× | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★☆☆ |
| Heredity, genes and DNA basics asked 4× | Board 2024Board 2025Board 2026 | ★☆☆☆☆ |
| Hugo de Vries mutation theory asked 3× | Board 2024Board 2025Board 2026 | ★☆☆☆☆ |
| Origin and evolution of life asked 2× | Board 2024Board 2025 | ★☆☆☆☆ |
| Darwin's theory of evolution (natural selection) asked 2× | Board 2022Board 2023 | ★☆☆☆☆ |
| Lamarckism asked 1× | Board 2026 | ★☆☆☆☆ |
Life Processes in Living Organisms Part 1 · Genetics, Evolution & Life Processes
| Cellular respiration (aerobic / anaerobic, ATP) asked 18× | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★★★ |
| Cell division: mitosis (stages of karyokinesis) asked 3× | Board 2025Board 2026 | ★☆☆☆☆ |
| Glycolysis, Krebs cycle and electron transport asked 2× | Board 2025Board 2026 | ★☆☆☆☆ |
| Importance of cell division asked 1× | Board 2022 | ★☆☆☆☆ |
Life Processes in Living Organisms Part 2 · Genetics, Evolution & Life Processes
| Types of asexual reproduction asked 11× | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★☆☆ |
| Human male and female reproductive systems asked 4× | Board 2024Board 2025Board 2026 | ★☆☆☆☆ |
| Sexual reproduction in plants asked 3× | Board 2022Board 2023Board 2026 | ★☆☆☆☆ |
| Reproductive health and menstrual cycle asked 2× | Board 2023Board 2025 | ★☆☆☆☆ |
Environmental Management · Ecology & Energy
| Environmental conservation and management asked 12× | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★☆☆ |
| Ecosystem, food chains and food webs asked 5× | Board 2023Board 2024Board 2025Board 2026 | ★★☆☆☆ |
| Biodiversity and its conservation asked 4× | Board 2022Board 2025Board 2026 | ★☆☆☆☆ |
| Threatened species (endangered, rare, vulnerable) asked 4× | Board 2022Board 2024Board 2026 | ★☆☆☆☆ |
Towards Green Energy · Ecology & Energy
| Hydroelectric, thermal and nuclear power asked 11× | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★☆☆ |
| Problems associated with power generation asked 5× | Board 2022Board 2024Board 2025Board 2026 | ★☆☆☆☆ |
| Solar and wind energy asked 5× | Board 2022Board 2024Board 2025 | ★☆☆☆☆ |
| Conventional vs non-conventional energy sources asked 4× | Board 2024Board 2025Board 2026 | ★☆☆☆☆ |
| Green energy and energy management asked 4× | Board 2022Board 2023Board 2024 | ★☆☆☆☆ |
Animal Classification · Biodiversity & Microbes
| Non-chordate phyla and their features asked 8× | Board 2022Board 2024Board 2025Board 2026 | ★★☆☆☆ |
| Distinguishing characteristics of classes asked 8× | Board 2022Board 2024Board 2025Board 2026 | ★★☆☆☆ |
| Chordates and classes (Pisces to Mammalia) asked 5× | Board 2022Board 2023Board 2025Board 2026 | ★☆☆☆☆ |
| Body symmetry asked 2× | Board 2023Board 2026 | ★☆☆☆☆ |
| Basis and hierarchy of classification asked 1× | Board 2023 | ★☆☆☆☆ |
Introduction to Microbiology · Biodiversity & Microbes
| Industrial microbiology asked 8× | Board 2024Board 2025Board 2026 | ★★★☆☆ |
| Useful microbes (fermentation, dairy, antibiotics) asked 8× | Board 2022Board 2024Board 2025Board 2026 | ★★☆☆☆ |
| Microbes in food and probiotics asked 3× | Board 2025Board 2026 | ★☆☆☆☆ |
| Bioremediation and waste management asked 2× | Board 2024Board 2025 | ★☆☆☆☆ |
Cell Biology and Biotechnology · Biodiversity & Microbes
| Biotechnology and its applications asked 16× | Board 2022Board 2023Board 2024Board 2025Board 2026 | ★★★★☆ |
| Genetic engineering and cloning (Dolly) asked 1× | Board 2026 | ★☆☆☆☆ |
| Carbon dating and other applications asked 1× | Board 2026 | ★☆☆☆☆ |
| Tissue culture asked 1× | Board 2023 | ★☆☆☆☆ |
Social Health · Health & Society
| Concept of social health asked 6× | Board 2023Board 2024Board 2025Board 2026 | ★★☆☆☆ |
| Stress and its management asked 4× | Board 2024Board 2025Board 2026 | ★☆☆☆☆ |
| Social health issues (media, cyber safety) asked 3× | Board 2023Board 2025Board 2026 | ★☆☆☆☆ |
| Building a healthy society asked 3× | Board 2022Board 2024Board 2025 | ★☆☆☆☆ |
| Addictions and their effects asked 2× | Board 2025Board 2026 | ★☆☆☆☆ |
Disaster Management · Health & Society
| Disaster management cycle (pre / during / post) asked 6× | Board 2023Board 2024Board 2025Board 2026 | ★★☆☆☆ |
| Types of disasters (natural and man-made) asked 7× | Board 2022Board 2024Board 2025 | ★★☆☆☆ |
| National Disaster Management Authority and agencies asked 3× | Board 2023Board 2025Board 2026 | ★☆☆☆☆ |
| First aid asked 3× | Board 2024Board 2026 | ★☆☆☆☆ |
| Safety precautions during disasters asked 2× | Board 2026 | ★☆☆☆☆ |
Importance = how often a topic was asked × how recent, with extra weight for the latest official sample paper.