Explain Reproduction in Human BeingsReproduction in human : Male Reproductive System : The human male reproductive system consists of the following organs : A pair of testis lies in a small sac-like muscular structure outside the abdominal cavity called…

What are the Causes of Water PollutionWater is one of the basic necessities of life. It is an inexhaustible natural resource which is liquid between 0ºC and 100ºC. We need water for various activities such as drinking, cooking of food, bathing and washi…

What are the Causes for PollutionPollution : Fossil fuels are formed  of carbon, hydrogen, nitrogen and sulphur. On burning they produce carbon dioxide, water, oxides of sulphur and nitrogen. In the presence of insufficient oxygen, carbon monoxide is pr…

What is the Availability of WaterWater is a basic need for human society being required for drinking, bathing, washing, irrigation, industry, cooling, construction work, disposal of sewage and industrial effeuents. Agriculture consumes the maximum amount…

What is Animal Breeding?Animal husbandaryAnimal husbandary is the management of animal livestock which includes various aspects such as animal’s feeding, breeding & disease control. Good animal husbandary practices are needed to meet out the growing …

How Coal and Petroleum are Formed and What are their UsesCoal : Coal is a blackish solid fossil fuel that occurs in seams inside earth. Uses  :Fuel for domestic and commercial establishments.Production of electricity in thermal plants.Manufacture of coke…

Explain Forest and Wildlife ResourcesForest : Forests are large uncultivated self maintained wooded tracts dominated by trees forming a nearly closed canopy. Besides trees, the forests possess shrubs, climbers, herbs, herbivores, carnivores, saprophytes …

What are the Functions of Endocrine SystemGlandsSecretionFunctions1. Pitutary(A) Adeno hypophysis(i) GH or STHControls growth of somatic cells influences protein, carbohydrate and metabolisms(ii) TSHRegulates the growth of thyroid gland and secretion of…

What is Coordination in PlantsCoordination in Plants Coordination is orderly working of different but inter related parts to perform one or more activities very smoothly. There are 2 modes of control & coordination, chemical & nervous. Plant do n…

What are the Diseases Caused by MicrobesInfectious (communicable) Diseases : These diseases are spread from infected person to other in various ways, i.e., through air, water, food, physical contact, sexual act and insects. The causative agents of these…