biology
in this book Classification of organisms, Cell and cell structure, Cell division, Virus, Monera kingdom, Protista kingdom, Fungi kingdom, Plant kingdom, Morphology of angiosperms, Plant tissue, Nutrition in plants, Plant hormones, Plant diseases, Ecology, Modern classification of animal kingdom, animal tissue, nutrition in animals, systems of the human body (digestive system, respiratory system, excretory system, nervous system, circulatory system, skeletal system, endocrine system, reproductive system, muscular system) genetics and biological evolution, human disease etc. has been amply described.