General Science and Technoloy

WHO Defines Malnutrition as “Malnutrition refers to deficiencies, excesses, or imbalances in a person’s intake of energy and/or nutrients. The term malnutrition addresses 3 broad groups of conditions: undernutrition, which includes wasting (low weight-for-height), stunting (low height-for-age) and underweight (low weight-for-age); micronutrient-related malnutrition, which includes micronutrient deficiencies (a lack of important vitamins and minerals) or … Read more Malnutrition

Intoxicants The intoxicants used in society  might be taken as the following: alcohol, bhang, ganja, tobacco and opium, coca etc. Alcohol as an intoxicant Alcohol, also known by its chemical name ethanol, is a psychoactive substance that is the active ingredient in drinks such as beer, wine, and distilled spirits (hard liquor). It is one … Read more Intoxicants

composition and function of blood Blood makes up about 8% of the human body weight. It contains erythrocytes, leucocytes, thrombocytes (platelets) and plasma. The volume percentage of all blood cells in the whole blood is about 45% of adults (hematocrit). The rest consists of liquid plasma (e.g. water, plasma proteins, electrolytes etc.). The blood is … Read more Blood, Blood Group and Immunity (Antigen, Antibodies), Blood Transfusion, Immunization & Vaccination

Diseases – Communicable diseases, Endemic diseases Top 10 Causes of Death (Source: WHO World Health Statistics 2012) Ischemic heart disease 12 % Chronic obstructive pulmonary disease 11% Stroke 9% Diarrheal disease 6% Lower respiratory infections 5% Preterm birth complications 4% Tuberculosis 3% Self-inflicted injuries 3% Falls 3% Road injuries 2% Communicable diseases Communicable diseases continue … Read more Human diseases : Communicable & Non Communicable Diseases, Acute and Chronic Diseases; Causes and Prevention of Infectious, Genetic and Lifestyle Disease.

  Safe drinking water is the birthright of all humankind – as much a birthright as clean air. The majority of the world’s population, however, does not have access to safe drinking water. This is certainly true in most parts of Africa and Asia. Even in relatively advanced countries such as India, safe drinking water … Read more Water quality and water purification

Health, Health Infrastructure and Health Policy of Rajasthan The State Government is having focus on the medical sector to promote health status of the people of the State especially for the weaker sections of the society. The State is committed to control and eradicate communicable and other diseases and for providing curative and preventive services … Read more Public Health Initiatives with special reference to the State of Rajasthan.

Contribution of Indians in science and technology This list of Indian inventions and discoveries details the inventions, scientific discoveries and contributions of ancient and modern India, including both the ancient and medieval nations in the subcontinent historically referred to as India and the modern Indian state. It draws from the whole cultural and technological history … Read more Contribution of Indians in science and technology

Eco-System-An ecosystem is defined as a structural and functional unit of biosphere consisting of community of living beings and the physical environment, both interacting and exchanging materials between them. It includes plants, trees, animals, fish, birds, micro-organisms, water, soil, and  people. When an ecosystem is healthy (i.e. sustainable) it means that all the elements live … Read more Concept of Ecosystem, Structure and Function of Ecosystem

The major causes of the environmental degradation are modern urbanization, industrialization, over-population growth, deforestation etc. Environmental pollution refers to the degradation of quality and quantity of natural resources. Mahatma Gandhi’s principle of “enoughness” in his saying “the earth provides enough to satisfy every persons need but not for every person’s greed” According to World Commission … Read more Environmental Degradation

Waste Water Management Water, food and energy securities are emerging as increasingly important and vital issues for India and the world. Most of the river basins in India and elsewhere are closing or closed and experiencing moderate to severe water shortages, brought on by the simultaneous effects of agricultural growth, industrialization and urbanization. Current and … Read more Waste Management