Notes and Study material for Exams
Rajasthan is a state of the royals and it has numerous evidence of the royal culture in its rich heritage and Society. Along with its cultural abundance, Rajasthan also has enough of wildlife beauty in it. Some famous wildlife sanctuaries & national parks in Rajasthan are Ranthambore National Park, Sariska Tiger Reserve, Keoladeo Ghana National Park in Bharatpur, … Read more
Rajasthan is blessed with great variety of natural Resources ranging from scanty vegetation in the western arid region to mixed delicious and sub-tropical evergreen forests in the east and south east of Aravali ranges. Forest cover is 32744.49 sq.km.(12475 sq.km. is reserved, 18222 sq.km.is Protected Forest 2046.75 is unclassified forest) which is about 9.57% of the total … Read more
Forest- Types and Conservation of Forest and Forest Resources A forest is a complex ecosystem which is predominantly composed of trees, shrubs and is usually a closed canopy. Forests are storehouses of a large variety of life forms such as Plants, mammals, birds, insects and reptiles etc. Also the forests have abundant Microorganisms and Fungi, … Read more
Ecosystem 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 … Read more
Biodiversity and conservation Biodiversity, or biological diversity, is the variety of all life forms.Sum total of all the variety of living organisms on earth constitute biodiversity. There are three Levels of Biodiversity: Genetic diversity—the variety of genetic information contained in individual Plants, animals and micro-organisms Species diversity—the variety of species ecosystem diversity—the … Read more
Principal of inheritance and variation Inheritance or Heredity is the genetic information passing for traits from parents to their offspring, either through asexual Reproduction or sexual reproduction. This is the process by which an offspring cell or organism acquires or becomes predisposed to the characteristics of its parent cell or organism. Through heredity, variations exhibited … Read more
Motion Motion is a change in position of an object with respect to time. Motion is typically described in terms of displacement, distance, velocity, acceleration, time and speed. The branch of physics which deals with the study of motion of material objects is called mechanics. Mechanics is divided into following branches. (i) Statics : Statics … Read more
What is a Biosphere Reserve? A Biosphere Reserve is a special ecosystem or a specialized Environment with a Flora and Fauna that require protection and nurturing. These reserves are managed and studied for the conservation of various life forms found here. They are subjects of scientific and natural interest. According to UNESCO, “Biosphere reserves … Read more
Wetlands are lands transitional between terrestrial and aquatic system where the water table is usually near the water surface and land is covered by shallow water. Essential as: control floods, water treatment, recharging of water sources, reduce sediments, check Soil erosion, bulwark against encroachment by the sea, winter resort for birds and important … Read more
located where river meets the sea. the most productive water bodies in the world The complete salinity range from 0-35 ppt is seen from the head (river end) to the mouth (sea end) of an estuary Coastal lakes which have their connection with the sea through small openings are better known as lagoons or … Read more