12cbsebiology

Topic 1: Mendel’s laws of inheritance Topic 2: Inheritance of one gene Topic 3: Incomplete dominance Topic 4: Inheritance of two genes  Topic 5: Sex determination in humans   Topic 6: Mutation Topic 7: Genetic disorders- Pedigree analysis Topic 8: Mendelian disorders Topic 9: Pedigree analysis of mendelian diseases Topic 10: Mendelian disorders-Haemophilia Topic 11: Sickle –cell anaemia Topic 12: Phenylketonuria …

Chapter 5: Principle of Inheritance and Variation Read More »

Topic 1:   Reproductive health – Problems and strategies Topic 2:   Population explosion Topic 3: Birth control- Barrier methods Topic 4: Birth control using intra uterine devices Topic 5: Birth control – Pills Topic 6: Sterilisation Topic 7:   Medical termination of pregnancy (MTP) Topic 8:   Sexually transmitted diseases (STDs) Topic 9:   Infertility Topic 10: IVF Multiple …

Chapter 4: Reproductive Health Read More »

Topic 1:  The male reproductive system  Topic 2:  The female reproductive system  Topic 3:  Mammary glands Topic 4:  Gametogenesis – Spermatogenesis Topic 5:  Oogenesis Topic 6:  Structure of a sperm   Topic 7:  Menstrual cycle Topic 8:  Fertilisation and implantation Topic 9:   Pregnancy and embryonic development  -1 Topic 10: Pregnancy and embryonic development -2 Topic 11:  Placenta Topic 12:  Parturition Topic 13: …

Chapter 3: Human Reproduction Read More »

Topic 1:  Flower – A fascinating organ of angiosperms Topic 2:  Pre-fertilisation: Structures and events Topic 3: Reproductive organs in a flowering plant Topic 4 : Pollen grain Topic 5:  Pistil and mega sporangium Topic 6:  The structure of an ovule and embryo sac Topic 7:  Pollination – Types of pollination Topic 8:  Pollinating agents Topic 9: …

Chapter 2: Sexual Reproduction in Flowering Plants Read More »

Topic 1:  Asexual reproduction Topic 2: Vegetative reproduction in plants Topic 3: Sexual reproduction Topic 4: Pre-fertilisation events Topic 5: Gamete transfer- Pollination Topic 6: Gamete transfer in animals Topic 7: Fertilisation- External fertilisation Topic 8: Internal fertilization Topic 9: Post-fertilisation events – The zygote Topic 10: Embryogenesis Topic 11: Oviparous animals Topic 12: Viviparous animals Topic 13: …

Chapter 1: Reproduction in Organisms Read More »