CBSE Board Exam 2024: 10 indispensable subjects to score 95% and above in 12th Biology

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class 12th biology board exam The exam for 2024 is scheduled to be conducted by the Central Board of Secondary Education on March 19. As students prepare for this important exam, they are encouraged to review the essential topics that are important to achieving a score of 95% and above.
Here are 10 indispensable topics to focus on:
sexual reproduction in flowering plants:This chapter is essential to understand how plants reproduce. Learn about the stages of their life cycle, and how pollination and fertilization work, including the unique process called double fertilization.
Also read: Directly from the CBSE Controller of Examinations – Dr. Sanyam Bhardwaj’s Top Tips for Board Exam Aspirants
human reproduction: This detailed chapter discusses various topics like gametogenesis, menstrual cycle, fertilization, development and contraception. Make sure you fully understand the diagrams and how these processes work.
Mendel’s laws of inheritance: In the basics of genetics, learn about dominant and recessive traits, how traits vary during inheritance, and how they mix freely. Try to solve problems involving single-trait and two-trait crosses to reinforce your understanding.
molecular basis of inheritance: Focus on learning about the structure of DNA, how it copies itself, and the steps involved in making proteins through transcription and translation. To gain understanding on this topic it is necessary to understand the diagrams and main processes.
Also read: Guidelines issued for CBSE Board Practical Exam 2024 for private students
Origin of life and evolution: Learn Darwin’s theory of evolution, the evidence that supports it, how natural selection works, and the different methods of evolution such as mutation, genetic drift, and gene flow.
Biotechnology and its applications: In this chapter, we explore various practical uses such as recombinant DNA technology and tissue culture, and how they are applied in fields such as medicine, agriculture, and industry. Understand the processes involved and their importance.
human health and disease: Learn about both infectious and non-infectious diseases, what causes them and ways to prevent and control them. Become familiar with common diseases like cancer, AIDS and malaria.
Ecosystem: Understand how ecosystems are organized and how they work, including how energy flows through them, the connections in food chains and webs, the size of ecological pyramids, and the diversity of life, known as biodiversity. Is. Diagrams and understanding biotic (living) and abiotic (non-living) factors are important.
Also read: CBSE Board Exam 2024 – 7 mistakes students should not make in the last days of preparation
environmental issues: This section talks about important problems like pollution, global warming, loss of different types of plants and animals and ways to deal with them. Pay attention to what’s happening in the environment right now and how we can fix it.
Applications of biotechnology in agriculture and animal husbandry: Learn how we use genetically modified plants, natural fertilizers, and natural pesticides, and how they are used in breeding and improving animals.


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