Halogen
Halogens – comparative study, occurrence, physical states and chemical reactivities of the free elements, peculiarities of fluorine and iodine; Hydracids of halogens (preparation, properties, reactions and uses), interhalogen compounds (examples); Oxyacids of chlorine.
Origin, Evolution and Diversity of Life : Haldane and Oparin’s concept on origin of life. Modern concept of Natural selection, Biological Species concept.
Human evolution – An outline.
Mutation – Definition and Types; Replication of DNA, Transcription and Translation (Brief idea).
Genetics : Laws of Heredity : (Monohybrid and dihybrid crosses; Mendel’s laws). Back cross, Test cross, Linkage, Crossing over, Sex linked inheritance – Colour blindness, Haemophilia.
Chromosomes and Cell Division : Morphology of chromosomes; Euchromatin and Heterochromatin.
Nucleic acid as genetic material (Examples : Bacterial Transformation and Viral Transduction).
Enzymes : Definition & properties, Examples; Mechanism of Action, Allosterism and Regulation.
