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Get the list of important topics for ISC Class 12 Biology 2025 along with commonly confusing concepts. Enhance your preparation with expert insights and topic-wise focus areas.
ISC Class 12 Biology Important Topics 2025ISC Class 12 Biology Important Topics 2025: The Council for the Indian School Certificate Examinations (CISCE) has scheduled to conduct the ISC Class 12 Biology exam on March 21, 2025. During the last-minute preparation, candidates should make a study plan and follow it. To utilize it, experts suggest that the test takers should check out the important topics once from where they can expect to get questions the most. So that they can make their last-minute revision plan accordingly. Considering the past few year’s paper analysis, the most important topics for the ISC 12th Biology exam have been made. For instance, the candidates might get 11 marks on questions from “Human Health and Diseases” in the Biology exam.
ISC Class 12 Biology Important Topics 2025
Check out the ISC Class 12 Biology important topics 2025 here in the following table:
- Human Health and Diseases: 11 marks
- Sexual reproduction in flowering plants: 9 marks
- Evolution: 9 marks
- Organisms and Populations: 8 marks
- Biotechnology and its applications: 8 marks
- Microbes in Human Welfare: 8 marks
- Human Reproduction: 7 marks
- Reproductive Health: 7 marks
- Principles of inheritance and variation: 7 marks
- Biotechnology - Principles and processes: 7 marks
- Biodiversity and its Conservation: 7 marks
- Ecosystem: 6 marks
- Molecular basis of Inheritance: 6 marks
ISC Class 12 Biology Difficult Topics 2025
Here in the following section, the candidates can check out the ISC Class 12 Biology difficult topics 2025:
- Ecological interactions
- Point mutation
- Population growth curves
- Numerical problems
- Hardy Weinberg Equilibrium
- Cloning vector
- Reproductive fitness
ISC Class 12 Biology Confusing Topics 2025
Check out the ISC Class 12 Biology Confusing topics 2025 here in the given section:
- Cu releasing IUD and hormonal IUD
- Spermatogenesis, spermiogenesis & Spermiation
- Incomplete and codominance
- Parthenogenesis and parthenocarpy
- R-II and S-III strains
- Geitonogamy and xenogamy
- Viral / Retroviral disease
- Autosomal and sex-linked traits
- Transition and transversion
- Disruptive and directional natural selections
- AIDS and STD
- Apomixis and Amphimixis
- GPP and NPP
- Commensalism / Mutualism
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