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CBSE Class 12 Biology Notes

Last Updated : 14 Jan, 2024
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CBSE Class 12 Chapter-wise Notes Biology helps students to score well in their board examinations. Class 12 Biology is a subject that comes with a wide range of topics, which include inheritance, evolution, reproduction, human health and disease, biotechnology, Ecosystem, and Biodiversity and Conservation. For students in Class 12, notes are essential which will help them to revise important topics and score well in their examinations. CBSE Class 12 Biology Chapter-Wise Notes are beneficial for quick revision, and with the help of these Class 12 notes, you can quickly revise all important topics before the board examination. Additionally, students will be able to find proper notes for their assignments and revisions. Revising notes saves you time during stressful examinations, and you can make the most of it. NCERT Class 12 notes cover all the important topics and diagrams that are required for the board examination.


CBSE Class 12 Biology Notes For All Chapters

It is important to achieve a high grade in Class 12 since these points will aid you in future academic examinations or competitive exams. Biology is an interesting and high-scoring subject in 12th grade and will help to explore biological facts. Notes on Biology for Grade 12 are made to help students review the material before their exam. All chapters have expert-written notes on the material. Biology is a subject that has strongly related opinions to other subjects. These biology notes are helpful for you to score well in your board exams. CBSE Class 12 Biology Notes As we know, to perform well in exams, it is not enough to study from the Class 12 textbook; students also need other effective study materials, such as the Class 12 CBSE Biology Notes of all chapters, so that they can access every note and each topic compiled in one place.

NCERT Class 12 Biology Notes

Chapter 1 – Sexual Reproduction in Flowering Plants

Chapter 2 – Human Reproduction

Chapter 3 – Reproductive Health

Chapter 4 – Principles of Inheritance and Variation

Chapter 5 – Molecular Basis of Inheritance

Chapter 6 – Evolution

Chapter 7 – Human Health and Disease

Chapter 8 – Microbes in Human Welfare

Chapter 9 – Biotechnology: Principles and Processes

Chapter 10 – Biotechnology and its Applications

Chapter 11 – Organisms and Populations

Chapter 12 – Ecosystem

Chapter 13 – Biodiversity and Conservation

Benefits of CBSE Class 12 Chapter-Wise Notes Biology

CBSE Class 12 Chapter-wise Biology notes will help benefit in various ways, Here are some key advantages –

  • It covers a wide range of topics in simplified content that help students to learn and remember complex topics easily. The complex topics break into smaller chunks so that students can grasp them easily.
  • These CBSE Class 12 Biology notes can be the perfect resource for quick revisions. this will save time and help students to revise efficiently.
  • CBSE Class 12 Chapter-Wise Notes are structured and prescribed by the Central Board of Secondary Education (CBSE). They include important questions, diagrams, and examples that are frequently asked in the board exams. This will help better performance in exams.
  • It will be a handy reference guide throughout the academic year. Students can refer to these helpful notes.

FAQs on Class 12 Biology Chapter-Wise Notes

Q1. What are the different modes of reproduction in organisms?

Answer: There are majorly two different types of reproduction in organisms: (i)Asexual and (ii)Sexual (i)Asexual Reproduction – Generates offspring that are genetically identical to a single parent.(ii)Sexual Reproduction – In this two parents contribute genetic information to produce unique offspring.

Q2. Explain Mendel’s laws of inheritance.

Answer: The law of segregation states that every individual possesses two alleles and only one allele is passed on to the offspring. The law of independent assortment states that the inheritance of one pair of genes is independent of the inheritance of another pair .

Q3. Discuss the stages of embryonic development.?

Answer: The main stages of the embryonic period encompass gastrulation(the ectoderm, mesoderm, and endoderm form), neurulation(formation of neural tissue), and organogenesis (development of the organs).

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