(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.

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