healthy living

An insurance agent sells 5 policies, one to each of 5 healthy persons of the same age. According to the actuarial tables the probability that a man of this particular age will live for 35 years hence is 2 3 . Find the probability that after 35 years, at least 3 men will be alive..

Nutrition is the procurement of substances (nutrients) necessary for growth, development, maintenance and activities of a living organism. To maintain a healthy body it is important to consume a balanced diet in the right quantit..

Pollution of water by organic wastes is a major cause for occurrence of epidemics like cholera, gastroenteritis in India. The microorganisms causing these diseases enter the water bodies through the organic wastes and then into the bodies of healthy persons causing diseases. In fact, a g..

Introduction - All living organisms need food for growth, work, repair and maintaining life processes. Food is made up of several components such as proteins, carbohydrates, fats, minerals and vitamins. Each of these components is required in a specific amount because each of them has a d..

Cycling is one of the best forms of exercise. It provides exercise to almost every part of the body. So cycle to your school everyday. It provides a twin benefit - hardly costs anything and keeps you fit. Continue the habit to adulthood - it is the best recipe for healthy living..

Experiment to prove that DNA is Genetic Material Griffith Effect - The fact that DNA is genetic material came from the experiments using bacteria and viruses. The first series of experiments were performed by a British bacteriologist F. Griffith in 1928, using the bacterium Diplococcus pneumoniae w..

Introduction - Environment is defined as the surroundings in which the organism lives. The environment may be the physical environment, the chemical environment or the biological environment. Thus, the environment has two components - abiotic and biotic. The abiotic environment includes t..

Environment is defined as the surroundings in which the organism lives. It has two components - abiotic and biotic. The abiotic environment includes the air (atmosphere), water (hydrosphere) and land (lithosphere). The biotic environment includes the plants, animals and the microbes...

>Nitrogen fixation is primarily by symbiotic bacteria - Rhizobium or by free living cyanobacteria. For nitrogen fixation, a large amount of energy is derived from ATP molecules. The dinitrogen molecule is reduced to ammonia with the help of enzyme nitrogenase. The nitrifying bacteria conv..

Environment is defined as the surroundings in which the organism lives. The environment may be the physical environment, the chemical environment or the biological environment. Thus, the environment has two components - abiotic and biotic. The abiotic environment includes the air (atmosp..