Classification of Plants and Animals; Tissue; The Cell and Cell Cycle; Parts of a Plant; Physiological Functions in Plants; Reproduction, Growth and Development in Plants; Diversity in Anatomy of Animal Body; Animal Nutrition and Respiration; Fluid Circulation in Animals; Excretion and Osmoregulation; Movement, Support and Locomotion; Reproduction, Growth and Development in Animals; Control and Coordination; Organisms and their Environment; Origin of Life and Human Evolution; Genetics; Economic Biology; Crop Improvement and Agricultural Chemicals; Common Human Diseases; Environmental Pollution; Common Plant Diseases.