WEEKLY SYLLABUS FOR CLASS XII (BIOLOGY) SESSION 2014-15 Period/ Months/ Dates 1-04-2014 5-04-2014 Chapters Context Reproduction in Organisms 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. discussion of Value based questions Practical:- 1) Flowers adopted pollination by different agencies(wind, insect) 2) Study of controlled pollination Emasculation, Tagging & Bagging. 07-04-2014 11-04-2014 14-04-2014 19-04-2014 Sexual Reproduction in flowering plants. Structure of flower, ; development of male and female gamephytes;. Structure of pollen grain & ovule, Pollination, kinds of pollination, Agents of pollination. Out breeding devices Pollen pistil interaction double fertilization; post fertilization events - development of endosperm and embryo, development of seed and formation of fruit; special modesapomixis, parthenocarpy, polyembryony; Significance of seed and fruit formation discussion of Value based questions PRACTICAL: 1. Study of pollen germination on slide, through temporary & permanent slide. Human Reproduction : male and female reproductive systems; microscopic anamy of testis and ovary; gamegenesis - spermagenesis and oogenesis; menstrual cycle; fertilisation embryo development up blascyst formation. PRACTICAL:1) Identification of stages of gamete development T.S. of testis, T.S. of Ovary,2) T.S. of.blastula through permanent slide YUVA Session 12.10-Let Not the Newborns Die 21-04-2014 26-04-2014 Implantation; pregnancy and placenta formation (elementary idea); parturition (elementary idea); lactation (elementary idea). 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,
28-04-2014 03-05-2014 05-05-2014 09-05-2014 08-05-14 ZIFT, GIFT (elementary idea for general awareness). discussion of Value based questions PRACTICAL: Meiosis in Onion bud cells or grasshopper testis through permanent slides. Heredity 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 PRACTICAL: Mendalian Inheritance using seeds of different colour/size of any plant.project: Investigary projects (Any one) YUVA Session No. 3.10 Every Drop is precious! Sex determination - in humans, birds and 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, discussion of Value based questions PRACTICAL. Prepare temporary mount of onion root tip study misis. 11-05-2014 Summer Break 30-06-2014 1-07-2014 Molecular Basis of Inheritance Molecular basis of inheritance: search for genetic material and DNA as 5-07-2014 genetic material; Structure of DNA and RNA; DNA packaging; DNA replication; Central dogma; transcription, PRACTICAL: Study of prepared Pedigree charts of genetic traits such as widow s peak colour blindness., Rolling of ngue,ear lobes & blood groups. 7-07-2014 genetic code, translation; gene expression and regulation - Lac Operon; Genome and human geneome project; DNA fingerprinting,. discussion of 11-07-2014 Value based questions PRACTICAL:. Two plants & two animals(model /virtual images) found in aquatic conditions. Comment upon their morphological adaptations 14-07-2014 Evolution: origin of life; biological evolution and evidences for biological evolution (paleonlogy, comparative anamy, embryology and molecular 19-07-2014 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.. discussion of Value based questions PRACTICAL. Two plants & two animals (model /virtual images) found in xeric conditions. Comment upon their morphological adaptations 21-07-2014 Health and disease: pathogens; parasites causing human diseases
26-07-2014 28-07-2014 02-08-2014 4-08-2014 8-08-2014 11-08-2014 16-08-2014 13-08-14 19-08-2014 23-08-2014 25-08-2014 30-08-2014 1-09-2014 6-09-2014 8-09-2014 21-09-2014 22-09-2014 27-09-2014 (malaria, filariasis, ascariasis, typhoid, pneumonia, common cold, amoebiasis, ring worm); PRACTICAL: Identification of disease causing organisms Plasmodium, Ascaris,Entamoeba & Ringworm through permanent slides or specimens.comment on sympms of disease that they cause. Basic concepts of immunology - vaccines; cancer, HIV and AIDs; Adolescene, drug and alcholol abuse.. discussion of Value based questions PRACTICAL: :- collect & study soil from at least two different sites & study them for, ph & water holding capacity of soil Improvement in food production : Plant breeding, inbreeding, outbreeding,tissue culture, single cell protein, Biofortification, Apiculture and Animal husbandry, discussion of Value based questions PRACTICAL:- collect & study soil from at least two different sites & study them for texture, moisture content.. Microbes in human welfare: In household food processing, industrial production, sewage treatment, energy generation and as biocontrol agents and biofertilizers., discussion of Value based questions PRACTICAL. : Collect water from two different water bodies around you and study them for ph, clarity & presence of any living organisms YUVA Session No.3.9 I o have rights.. Biotechnology: Principles & Processes:-Principle, ols of recombinant DNA Technology restriction enzyme, Polymerase enzyme, Ligase, cloning vecr, competent host, transformation methods, Gel Electrophorosis. PCR,isolation of DNA, Bioreacr, downstream processing. discussion of Value based questions. PRACTICAL: Isolation of DNA from easily available plant material like spinach,pea,papaya etc. Application of biotechnology in health and agriculture: human insulin and vaccine production, gene therapy; genetically modified organisms - Bt crops, RNA interference; transgenic animals; biosafety issues- biopiracy and patents. discussion of Value based questions PRACTICAL: study the presence of suspended particulate matter in air at two widely different sites Revision SA-I SA-I EXAM 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.practical Study of plant population density by quadrate method.
29-9-2014 3-10-2014 4-10, 7-10-2014 10-10-2014 13-10-2014 18-10-2014 20-10-2014 25-10-2014 27-10-2014 1-11-2014 3-11-2014 7-11-2014 05-11-14 10-11-2014 15-11-2014 17-11-2014 22-11-2014 24-11-2014 29-11-2014 1-12-2014 6-12-2014 8-12-2014 YUVA Session 12.2-Shahrukh ka Funda Autumn break Population attributes - growth, birth rate and death rate, age distribution. discussion of Value based questions PRACTICAL:. Study of plant population frequency by quadrate method Ecosystems: patterns, components; productivity and decomposition; energy flow; pyramids of number, biomass, energy; PRACTICAL: : Study the effect of three different ph on the activity of salivary amylase on starch. YUVA Session 3.6 If there was a Bomb Threat! Nutrient cycles (carbon and phosphorous); ecological succession; ecological services - carbon fixation, pollination,seed dispersal, oxygen release. discussion of Value based questions. PRACTICAL: Study the effect of different temperatures on the activity of salivary amylase on starch. Biodiversity and its conservation: concept of biodiversity; patterns of biodiversity; importance of biodiversity; loss of biodiversity;. PRACTICAL:. Study of pollen germination on slide, through permanent slide. Biodiversity conservation; hotspots, endangered organisms, extinction, Red Data Book, biosphere reserves, national parks and sanctuaries ). discussion of Value based questions.practical: Effects of different temperatures & ph on the activity of Salivary amylase on starch. YUVA Session 3.11 End it before it ends us! Environmental issues: Air pollution and its control; water pollution and its control; agrochemicals and their effects; solid waste management; radioactive waste management. discussion of Value based questions PRACTICAL: Isolation of DNA from plant material. YUVA Session 3.12 Towards Zero waste! Greenhouse effect and global warning; ozone depletion; deforestation; any three case studies as success sries addressing environmental issues, diseases; dengue and chickengunia... PROJECT: submission of Project.PRACTICAL: Revision of Spotting. REVISION OF UNIT VI from support material & RELATED REVISION OF UNIT VII from support material & RELATED REVISION OF UNIT VIII from support material & RELATED
12-12-2014 15-12-2014 20-12-2014 22-12-2014 24-12-2014 26-12-2014 15-01-2015 16-01-2015 31-01-2015 2-02-2015 7-02-2015 9-02-2015 13-02-2015 16-02-2015 FEB ONWARDS REVISION OF UNIT IX from support material & RELATED REVISION OF UNIT X from support material & RELATED Winter Break Pre-Board DISCUSSION PRE-BOARD EXAM PAPER, CBSE SAMPLE PAPERS& HOTS REVISION OF & BOARD PRACTICAL EXAM. DISCUSSION OF PREVIOUS YEARS QUESTION PAPERS & HOTS PREPARED BY: 1) DR. (MRS.) ANITA, LECTURER (BIOLOGY) RPVV SECTOR -10,DWARKA,NEW DELHI. 2) MRS. SARITA, LECTURER (BIOLOGY), GGSSS NO-1, NAJARGARH, NEW DELHI.