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  • Biology Class 12

CBSE Class 12th Biology, MCQ, Solutions, Notes, Important Question, Sample & Previous Year Papers

MCQ Biology Class 12

MCQ Biology Class 12

Solutions Biology Class 12

Question Answer Biology Class 12

Notes Biology Class 12

Notes Biology Class 12

Important Question Biology Class 12

Important Question Biology Class 12

Previous Year Papers Biology Class 12

Previous Year Papers Biology Class 12

Sample Papers Biology Class 12 FREE PDF Download

Sample Papers Biology Class 12

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Book Biology Class 12

Syllabus Biology Class 12

Syllabus Biology Class 12

Marking Scheme Biology Class 12

Marking Scheme Biology Class 12

 

Notes Class 12 Biology Chapter 6 Evolution

Notes For All Chapters Biology Class 12 CBSE The Origin of Life and Evidences of Evolution: 1. The study of history of life forms on earth is called evolutionary biology. 2. Evolution is a process that results in heritable changes in population spread over many generations leading to diversity of organisms on earth. 3. Origin of life is […]

Notes Class 12 Biology Chapter 5 Molecular Basis of Inheritance

Notes For All Chapters Biology Class 12 CBSE The DNA and RNA World: 1. Over the years after Mendel, the nature of the genetic material was investigated, resulting in the realisation that DNA is the genetic material in majority of organisms. 2. Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA) are the two types of nucleic acid found in […]

Notes Class 12 Biology Chapter 4 Principles of Inheritance and Variation

Notes For All Chapters Biology Class 12 CBSE Mendel’s Laws of Inheritance: 1. Genetics is the branch of biology, which deals with inheritance and variation of characters from parents to offspring. 2. Inheritance is the process by which characters or traits are transferred from one generation to the next. 3. Variation is the degree by which progeny differs […]

Notes Class 12 Biology Chapter 3 Reproductive Health

Notes For All Chapters Biology Class 12 CBSE Reproductive Health Problems and Strategies: 1. Reproductive health simply refers to healthy reproductive organs with normal functions. According to the World Health Organisation (WHO), reproductive health means a total well-being in all aspects of reproduction, i.e. physical, emotional, behavioural and social. 2. The improved reproductive health of society […]

Notes Class 12 Biology Chapter 2 Human Reproduction

Notes For All Chapters Biology Class 12 CBSE 1. Humans are sexually reproducing and viviparous organisms. There are remarkable differences between the reproductive events and systems in male and female. 2. Male reproductive system includes a pair of testes, accessory ducts, glands and the external genitalia. (i) Testes are located outside the abdominal cavity within a pouch […]

Notes Class 12 Biology Chapter 1 CBSE

Sexual Reproduction in Flowering Plants Notes For All Chapters Biology Class 12  Sexual reproduction is the process of fusion of haploid gametes, resulting in the production of a diploid zygote, which ultimately develops into a new organism. All flowering plants show sexual reproduction. 1. Flowers are the site of sexual reproduction in flowering plants. (i) A […]

Notes Class 12 Biology Chapter 1 Reproduction in Organisms

Notes For All Chapters Biology Class 12 Reproduction: 1. The period between birth and natural death of an organism is called its lifespan. It can vary from less than a day to more than 400 yrs. Whatever be the lifespan, death of every individual organism is a certainty, i. e. no individual is immortal, except […]

MCQ Biology Class 12

Sexual Reproduction In Flowering Plants MCQ Chapter 1 Biology Class 12 Human Reproduction MCQ Chapter 2 Biology Class 12 Reproductive Health MCQ Chapter 3 Biology Class 12 Principles Of Inheritance And Variation MCQ Chapter 4 Biology Class 12 Molecular Basis Of Inheritance MCQ Chapter 5 Biology Class 12 Evolution MCQ Chapter 6 Biology Class 12 […]

Environmental Issues, Class 12 Biology NCERT Solutions

Solutions For All Chapters Biology Class 12 NCERT Solutions

Biodiversity and Conservation, Class 12 Biology NCERT Solutions

Solutions For All Chapters Biology Class 12 NCERT Solutions

CBSE Delhi Question Answer of Chapters in PDF

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