Information about 12th Standard School Subject content with Free PDF (Physics, Chemistry and Biology) for Preparation of NEET Examination, IIT-JEE Examinations and other entrance examinations in India. Study materials contain NCERT, CBSE, ICSE.
MOLECULAR BASIS OF INHERITANCE MOLECULAR BASIS OF INHERITANCE – DNA, The Search for Genetic Material, RNA World, Replication, Transcription, Genetic Code, Translation, Regulation of Gene Expression, Human Genome Project and DNA Fingerprinting (NCERT 12TH BIOLOGY) At the time of Mendel, the nature of those ‘factors’ regulating the pattern of inheritance was not clear. Over the …
GENETICS-PRINCIPLES OF INHERITANCE AND VARIATION NCERT BIOLOGY 12TH – GENETICS – Mendel’s Laws of Inheritance, Inheritance of One Gene, Inheritance of Two Genes, Sex Determination, Mutation and Genetic Disorders GENETICS being tackled was the mechanism of evolution. Awareness in the areas of molecular genetics, structural biology and bio informatics have enriched our understanding of the …
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REPRODUCTIVE HEALTH – Reproductive Health Problems and Strategies, Population Explosion and Birth Control, Medical Termination of Pregnancy, Sexually Transmitted Diseases and Infertility (NCERT BIOLOGY 12TH) The term simply refers to healthy reproductive organs with normal functions. However, it has a broader perspective and includes the emotional and social aspects of reproduction also. According to the …
HUMAN REPRODUCTION – The Male Reproductive System, The Female Reproductive System, Gametogenesis, Menstrual Cycle, Fertilization and Implantation, Pregnancy and Embryonic Development and Parturition and Lactation As you are aware, humans are sexually reproducing and viviparous. The reproductive events in humans include formation of gametes (gametogenesis), i.e., sperms in males and ovum in females, transfer of …
REPRODUCTION – SEXUAL REPRODUCTION IN FLOWERING PLANTS (Flower – Pre-fertilization, Stamen, Microsporangium and Pollen Grain, The Pistil, Megasporangium (ovule) and Embryo sac, The Megasporangium (Ovule), Megasporogenesis, Female gametophyte, Pollination, Agents of Pollination, Outbreeding Devices, Pollen-pistil Interaction, DOUBLE FERTILISATION, POST-FERTILISATION : STRUCTURES AND EVENTS, APOMIXIS AND POLYEMBRYONY) FLOWER – A FASCINATING ORGAN OF ANGIOSPERMS Human beings …
REPRODUCTION – REPRODUCTION IN ORGANISMS REPRODUCTION IN ORGANISMS (Sexual and Asexual Reproduction) (Sexual Reproduction – Pre-fertilization Events, Gametogenesis, Gamete Transfer, Fertilization, Post Fertilization Events, Zygote and Embryogenesis) Biology in essence is the story of life on earth. While individual organisms die without fail, species continue to live through millions of years unless threatened by natural …