General Science
The Human Nervous System
The nervous system controls and coordinates all body activities. The brain, spinal cord, neurons and reflex actions are key topics for exam biology.
General Science
Latest General Science articles & notes for all competitive exams.
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General Science
Vitamins, Their Sources and Deficiency Diseases
Vitamins are essential nutrients needed in small amounts. Their chemical names, sources and deficiency diseases are very high-scoring exam facts.
General Science
Human Diseases: Bacterial and Viral
Many human diseases are caused by bacteria and viruses. Knowing the causative agents and affected organs is essential for biology exam questions.
General Science
The Cell: Structure and Functions
The cell is the basic structural and functional unit of life. Cell parts, organelles and the difference between plant and animal cells are key exam facts.
General Science
Photosynthesis and Plant Nutrition
Photosynthesis is the process by which green plants make food using sunlight. Its equation, requirements and products are common biology exam topics.
General Science
Classification of Living Organisms
Living organisms are grouped into kingdoms for easy study. The five-kingdom classification and the rules of naming are important exam biology topics.
General Science
Blood Groups and Human Blood
Human blood is grouped by the ABO and Rh systems. Blood components, groups and transfusion rules are very common biology questions in exams.
General Science
The Endocrine System and Hormones
The endocrine system uses hormones to control body functions. Knowing the glands, their hormones and disorders is a high-scoring exam biology topic.
General Science
Nutrition and a Balanced Diet
Nutrition gives the body energy and materials for growth. The food nutrients and the idea of a balanced diet are common exam science topics.