(Syllabus) CBSE Syllabus of Biology for Class 12 | March 2009 Examination
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Syllabus : CBSE Syllabus of Biology for Class 12 For March 2009 Examination
COURSE STRUCTURE
Class XII BIOLOGY
One Paper
Time: 3 Hours
Marks : 70
Unit Marks 1. Sexual reproduction 12 2. Genetics and evolution 20 3. Biology and human Welfare 12 4. Biotechnology and its applications 12 5. Ecology and environment 14 TOTAL 70
I SEXUAL REPRODUCTION (35 Periods)
Pollination and fertilization in flowering plants. Development of seeds
and fruits.
Human reproduction: reproductive system in male and female, menstrual cycle.
Production of gametes, fertilization, implantation, ,embryo development,
pregnancy and parturation. Reproductive health - birth control, contraception
and sexually transmitted diseases.
II GENETICS AND EVOLUTION (45 Periods)
Mendelian inheritance. Chromosome theory of inheritance, deviations from
Mendelian ratio (gene interaction- Incomplete dominance, co-dominance,
complementary genes, multiple alleles). Sex determination in human beings: XX,
XY. Linkage and crossing over. Inheritance pattern of haemophilia and blood
groups in human beings. DNA: replication, transcription, translation. Gene
expression and regulation. Genome and Human Genome Project. DNA fingerprinting.
Evolution: Theories and evidences.
III BIOLOGY AND HUMAN WELFARE (35 Periods)
- Animal husbandry.
- Basic concepts of immunology, vaccines.
- Pathogens, Parasites.
- Plant breeding, tissue culture, food production.
- Microbes in household food processing, industrial production, sewage treatment and energy generation.
- Cancer and AIDS.
- Adolescence and drug/alcohol abuse.
IV BIOTECHNOLOGY AND ITS APPLICATIONS (30 Periods)
- Recombinant DNA technology.
- Applications in Health, Agriculture and Industry
- Genetically modified (GM) organisms; biosafety issues.
- Insulin and Bt cotton
V ECOLOGY & ENVIRONMENT (35 Periods)
- Ecosystems: components, types and energy flow.
- Species, population and community.
- Ecological adaptations.
- Centres of diversity and conservation of biodiversity, National parks and sanctuaries.
- Environmental issues.