Biology

This chapter covers topics such as Nutrition in Human Beings, Photosynthesis, Malnutrition and Deficiency Diseases, Introduction to Nutrition, and Heterotrophic Nutrition.

This chapter covers topics such as Discovery of Gases and Respiration, Steps in Respiration, Breathing and Passage of Air, Evolution in Gases Exchanging System, Respiration in Plants, Photosynthesis Versus Respiration, etc.

This chapter covers topics such as Blood Pressure, Introduction to Circulatory System, Transportation of Materials in Plants, Single and Double Circulation, Evolution of the Circulatory System, Coagulation of Blood, Lymphatic System, etc.

This chapter covers topics such as Composition of Urine, Human Excretory System, Mechanisms of Urine Formation, Dialysis, Kidney Transplantation, Excretion and Release of Substances in Plants, Introduction to Excretion, etc.

This chapter covers topics such as Introduction to Coordination, Movements in Plants, Control Mechanisms in Plants, Responding to a Stimuli, Nervous Coordination, and Chemical Coordination.

This chapter covers topics such as Asexual Mode of Reproduction, Sexual Reproduction in Human, Introduction to Reproduction, Cell Division and Cell Cycle, Fighting against Social Ills, Reproductive Health and Birth Control Methods, etc.

This chapter covers topics such as Travel of Food from Stomach to the Intestine, Taste through Tongue and Palate, Sensation of Hunger, Coordination in the Process of Digestion, Stomach - The Digester and Mixer, Travel of Food through Oesophagus, etc.

This chapter covers topics such as Evolution, Introduction to Heredity and Variation, Mendel and His Experiments, Inheritance and Expression of Traits, Evidences of Evolution, Sex determination in Human Beings, Human Evolution, etc.

This chapter covers topics such as Ecological Pyramids, Prevention of Ecosystem Destruction, Ecosystem and its Components, and Effects of Human Activities on Ecosystem.

This chapter covers topics such as Soil, Introduction to Natural Resources, Conservation- A Vital Concern, Water for All, Natural Resources Around Us, Minerals, Forest- An Important Renewable Resource, and Fossil Fuel.