Class X: Ch-15, Topic: Biological magnification, Ozone layer & its depletion, Garbage management Скачать
Class X: Ch-15 Our Environment, Topic: Biodegradable& Non- Biodegradable substances, Food chain& web Скачать
Class X: Chapter- 9, Lecture-2, Topic: Important Terms & Rules for the Inheritance of Traits. Скачать
Class X: Chapter-9, Lecture-4 Topic: Inheritance of Two Genes (Dihybrid Cross) Mendel's Experiment Скачать
Class X: Chapter -9, Heredity&Evolution: Lec-1,Topic: Accumulation of Variation during Reproduction. Скачать
Class X: Lecture -3, Chapter-6, Topic: Nutrition,Steps of photosynthesis, gaseous exchange in plants Скачать
Class XII: Chapter-10, Topic: Chemicals,Enzymes & Other bioactive molecules, Sewage Treatment Скачать
Class XII: Chapter- 10- Microbes in Human Welfare, Topic: Microbes in household products& Industry. Скачать
Class IX: Chapter-5, Topic: Plasma Membrane: A semipermeable membrane and Process of diffusion. Скачать