CBSE Class 12 Biology Syllabus 2019-2020 PDF | Download New Syllabus PDF

CBSE Class 12 Biology Syllabus 2019-2020: Are you preparing for the Class 12 Biology Exam? Do you have the latest CBSE Syllabus?

Don’t worry! Here we are providing a complete guide on CBSE Class 12 Biology Syllabus 2019-2020. You can easily check the Class 12 Biology syllabus and download PDF from the article below.

CBSE Class 12 Biology Syllabus 2020

Biology is an important subject for CBSE Science Stream. It is an essential subject for those students who want to pursue Medical, Biotechnology, Biomedical Engineering, etc. degree.

• Download CBSE Class 12 Biology Study Materials PDF

You should have a depth concept in the Class 12 Biology to score better marks in the CBSE 12th Board exam. You should have a depth concept on Class 11 and Class 12 Biology to score better marks in the various entrance exam.

With a better concept on the latest syllabus, you can secure good marks.

• Check CBSE Class 12 New Syllabus 2019 For All Subjects PDF

You already know CBSE updates its syllabus almost every year to provide the students the latest syllabus. 

Here you can check CBSE new syllabus for Class 12 Biology and NCERT Textbook based on the latest syllabus

CBSE Class 12 Biology Exam Pattern 2019-2020

Unit	Title	Marks
VI	Reproduction	14
VII	Genetics and Evolution	18
VIII	Biology and Human Welfare	14
IX	Biotechnology and its Applications	10
X	Ecology and Environment	14
	Total	70

CBSE Class 12 Biology Unit VI. Reproduction

• Chapter-1: Reproduction in Organisms
  • Reproduction, a characteristic feature of all organisms for continuation of species; Asexual reproduction Modes of reproduction-Asexual and sexual reproduction; Modes-Binary fission, sporulation, budding, gemmule, fragmentation; vegetative propagation in plants.
• Chapter-2: Sexual Reproduction in Flowering Plants
  • Flower structure; Development of male and female gametophytes; Pollination-types, agencies, and examples; Outbreedings devices; Pollen-Pistil interaction; Double fertilization; Post fertilization events-Development of endosperm and embryo, Development of seed and formation of fruit; Special modes-apomixis, parthenocarpy, polyembryony; Significance of seed and fruit formation.
• Chapter-3: Human Reproduction
  • Male and female reproductive systems; Microscopic anatomy of testis and ovary; Gametogenesis-spermatogenesis & oogenesis; Menstrual cycle; Fertilisation embryo development upto blastocyst formation, implantation; Pregnancy and placenta formation (Elementary idea); Parturition (Elementary idea); Lactation (Elementary idea).
• Chapter-4: Reproductive Health
  • Need for reproductive health and prevention of sexually transmitted diseases (STD); Birth control – Need and Methods, Contraception and Medical Termination of Pregnancy (MTP); Amniocentesis; Infertility and assisted reproductive technologies – IVF, ZIFT, GIFT (Elementary idea for general awareness).

CBSE Class 12 Biology Unit VII. Genetics and Evolution

• Chapter-5: Principles of Inheritance and Variation
  • Mendelian Inheritance; Deviations from Mendelism-Incomplete dominance, Co-dominance, Multiple alleles and Inheritance of blood groups, Pleiotropy; Elementary idea of polygenic inheritance; Chromosome theory of inheritance; Chromosomes and genes; Sex determination – in humans, birds, honey bee; Linkage and crossing over; Sex-linked inheritance – Haemophilia, Colour blindness; Mendelian disorder in humans – Thalassemia; chromosomal disorders in humans; Down’s syndrome, Turner’s and Klinefelter’s syndromes.
• Chapter-6: Molecular Basis of Inheritance
  • Search for genetic material and DNA as genetic material; Structure of DNA and RNA; DNA packaging; DNA replication; Central dogma; Transcription, genetic code, translation; Gene expression and regulation – Lac Operon; Genome and human genome project; DNA fingerprinting.
• Chapter-7: Evolution
  • Origin of life; Biological evolution and evidences for biological evolution (Paleontological, comparative anatomy, embryology, and molecular evidence); Darwin’s contribution, Modern Synthetic Theory of Evolution; Mechanism of evolution – Variation (Mutation and Recombination) and Natural Selection with examples, types of natural selection; Gene flow and genetic drift; Hardy – Weinberg’s principle; Adaptive Radiation; Human evolution.

CBSE Class 12 Biology Unit VIII. Biology and Human Welfare

• Chapter-8: Human Health and Diseases
  • Pathogens; parasites causing human diseases (Malaria, Filariasis, Ascariasis, Typhoid, Pneumonia, common cold, amoebiasis, ringworm); Basic concepts of immunology – vaccines; Cancer, HIV, and AIDs; Adolescence, drug and alcohol abuse.
• Chapter-9: Strategies for Enhancement in Food Production
  • Improvement in food production: Plant breeding, tissue culture, single-cell protein, Biofortification, Apiculture, and Animal husbandry.
• Chapter-10: Microbes in Human Welfare
  • In household food processing, industrial production, sewage treatment, energy generation, and biocontrol agents and biofertilizers. Antibiotics, production, and judicious use.

CBSE Class 12 Biology Unit IX. Biotechnology and Its Applications

• Chapter-11: Biotechnology – Principles and Processes
  • Genetic engineering (Recombinant DNA technology). 
• Chapter-12: Biotechnology and its Application
  • Application of Biotechnology in health and agriculture: Human insulin and vaccine production, gene therapy; Genetically modified organisms-Bt crops; Transgenic Animals; biosafety issues, biopiracy, and patents.

CBSE Class 12 Biology Unit X. Ecology and Environment

• Chapter-13: Organisms and Populations
  • Organisms and environment: Habitat and niche, Population and ecological adaptations; Population interactions-mutualism, competition, predation, parasitism; Population attributes growth, birth rate and death rate, age distribution.
• Chapter-14: Ecosystem
  • Patterns, components; productivity and decomposition; energy flow; pyramids of number, biomass, energy; nutrient cycles (carbon and phosphorous); ecological succession; ecological services – carbon fixation, pollination, seed dispersal, oxygen release (in brief).
• Chapter-15: Biodiversity and its Conservation
  • Concept of biodiversity; patterns of biodiversity; the importance of biodiversity; loss of biodiversity; biodiversity conservation; hotspots, endangered organisms, extinction, Red Data Book, biosphere reserves, national parks, sanctuaries, and Ramsar sites.
• Chapter-16: Environmental Issues
  • Air pollution and its control; water pollution and its control; agrochemicals and their effects; solid waste management; radioactive waste management; greenhouse effect and climate change; ozone layer depletion; deforestation; anyone case study as success story addressing the environmental issue(s).

New CBSE Pattern for Class 12 Biology 2019-2020 

• Theoretical Paper: 70 marks
• Practical/ Project Work: 30 Marks

Class 12 Biology Question Paper Pattern:

Time Duration	3 Hours
Maximum Marks	70 marks
Total No. of Questions	27
Type of Questions	Very Short Answer – 2 marks
	Short Answer I – 2 marks
	Short Answer II – 3 marks
	Long Answer I – 5 marks

• Download Latest CBSE Class 12 Biology Syllabus 2019-20 and marking scheme

NCERT Textbook For CBSE Class 12 Biology 2019-20 PDF

The Biology book covers topics like Reproduction in Organisms, Human Reproduction, Sexual Reproduction in Flowering Plants, etc.

The book is specially created to provide a depth concept on the subject and also helps to prepare for various entrance exams.

• Download CBSE Science Class 12 Biology Book in English
• Download CBSE Science Class 12 Biology Book in Hindi

The book is specifically focused on living Organisms, Evolution, and Biotech. While, for Human Ecology, there is a separate book.

Here you can download Chapter-wise NCERT Textbook for Class 12 Biology for Hindi and English Medium.

Download Chapter-Wise Class 12 NCERT Biology Textbooks PDF For English Medium

Here we are providing the chapter-wise NCERT Class 12 Biology Textbooks PDF. You can read online or download it easily.

Unit VI Reproduction 

• Chapter 1 Reproduction in organisms
• Chapter 2 Sexual Reproduction in Flowering Plants
• Chapter 3 Human Reproduction
• Chapter 4 Reproductive Health

Unit VII Genetics and Evolution 

• Chapter 5 Principles of Inheritance and Variation
• Chapter 6 Molecular Basis of Inheritance
• Chapter 7 Evolution

Unit VIII Biology in Human Welfare 

• Chapter 8 Human Health and Disease
• Chapter 9 Strategies for Enhancement in Food Reproduction
• Chapter 10 Microbes in Human Welfare

Unit IX Biotechnology 

• Chapter 11 Biotechnology: Principles and Processes
• Chapter 12 Biotechnology and its Applications

Unit X Ecology 

• Chapter 13 Organisms and Populations
• Chapter 14 Ecosystems
• Chapter 15 Biodiversity and Conservation
• Chapter 16 Environmental Issues

Download Chapter-Wise Class 12 NCERT Biology Textbooks PDF For Hindi Medium

Here we are providing the chapter-wise NCERT Class 12 Biology Textbooks PDF. You can read online or download it easily.

इकाई छः जनन

• अध्याय 1 जीवों में जनन
• अध्याय 2 पुष्पी पादपों में लैंगिक प्रजनन
• अध्याय 3 मानव जनन
• अध्याय 4 जनन स्वास्थ्य

इकाई सात: आनुवंशिकी तथा विकास

• अध्याय 5 वंशगति तथा विविधता के सिद्धांत
• अध्याय 6 वंशागति वेफ आणविक आधार
• अध्याय 7 विकास

इकाई आठ: मानव कल्याण में जीव विज्ञान

• अध्याय 8 मानव स्वास्थ्य तथा रोग
• अध्याय 9 खाद्य उत्पादन में वृद्धि की कार्यनीति
• अध्याय 10 मानव कल्याण में सूक्ष्मजीव

इकाई नौ: जैव प्रौद्योगिकी

• अध्याय 11 जैव प्रौद्योगिकी – सिद्धांत व प्रक्रम
• अध्याय 12 जैव प्रौद्योगिकी एवं उसवेफ उपयोग

इकाई दस: पारिस्थितिकी

• अध्याय 13 जीव और समष्टियाँ
• अध्याय 14 पारितंत्रा
• अध्याय 15 जैव-विविध्ता एवं संरक्षण
• अध्याय 16 पर्यावरण के मुद्दे

Important Links Related To CBSE Class 12

• CBSE NCERT Class 12 Book For All Subjects.
• NCERT Solutions For Class 12
• CBSE 12th Sample Papers 2019-2020
• Class 12th Previous Year Papers 2019-20
• CBSE Class 12 Marking Scheme 2019
• CBSE 12th Grading System 2019
• CBSE 12th Study Plan To Score High
• CBSE 12th Date Sheet 2019-2020
• CBSE 12th Admit Card 2019-2020
• CBSE 12th Practical Exam 2020
• CBSE 12th Result 2019-2020

We have covered the detailed guide on CBSE Class 12 Biology Syllabus 2019-20. Feel free to ask any questions related to CBSE Class 12 Biology in the comment section below.