ESTUARY ECOSYSTEM

  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 ESTUARY ECOSYSTEM

Niche

  Niche:- a  description  of  all  the  biological,  physical  and  chemical  factors  that  a  species needs to survive, stay healthy and reproduce. No two species have exact identical niches. Niche plays an important role in conservation of organisms. Types of Niche Habitat niche – where it lives Food niche – what is eats or decomposes … Read more Niche

Peasant Movements-

Three important peasant movements of the early twentieth century: Kisan Sabha and Eka movements in Avadh in UP Mappila rebellion in Malabar Bardoli Satyagrah in Gujarat The UP Kisan Sabha was set up in February 1918 through the efforts of Gauri Shankar Mishra and Indra Narain Dwivedi with the support of Madan Mohan Malviya. By … Read more Peasant Movements-

Thermodynamics

Thermodynamics Thermodynamics is a branch of physics which deals with the energy and work of a system.Thermodynamics is the study of macroscopic systems for which thermal effects are important. These systems are normally assumed to be at equilibrium, or at least, close to equilibrium. Systems at equilibrium are easier to study, both experimentally and theoretically, … Read more Thermodynamics

Soil Pollution

Soil Pollution is the Contamination of the soil by human and natural activities which may cause harmful effects on living beings. This may be due to the following factors. (i) Industrial wastes: Industries are the major causes for soil pollution Textiles, steel, paper, Cement, oil, dyeing and other industries are responsible for soil pollution. Toxic … Read more Soil Pollution

Basics of computers

Basics of Computers Computer is a device that transforms data into meaningful information. Data can be anything like marks obtained by you in various subjects. It can also be name, age, sex, weight, height, etc. of all the students in a class. A computer is a programmable machine. It allows the user to store all … Read more Basics of computers

SUCCESSION

  a universal process of directional change in vegetation, on an ecological time scale. occurs when a series of communities replace one another due to large scale destruction either natural or manmade. continously -one community replacing another community, until a stable, mature community develops. The first plant to colonise an area is called the pioneer … Read more SUCCESSION

Agricultural Crops of India

  Crop State Prod Prod Yield Rainfall Temp Soil % (Mil Kg/Ha cm Deg C T) Rice W. Bengal 15 87 1900 125-200 cm >23 C Deep Fertile UP 14 Clayey or loamy Andhra Pr 13 soil Punjab 11 Wheat UP 35 74 2700 80 cm 10-25 C Light loam   Punjab 20 Sandy Loam … Read more Agricultural Crops of India

Tribes history, geographical location,economy and their customs for Ras Prelims and Ras Mains

Name Geographical location and populations History and lineage Economic activity Social and Family life   MEENA Constitute about 51.20% of population and concentrated in districts of Jaipur,Dausa,Sawai Madhopur,Rajsamand and Udaipur   Word meena means fish, Chandrabhardai states their origin to the kingdom south of alwar,dausa and bharatpur prior to Rajput rule They are divided into … Read more Tribes history, geographical location,economy and their customs for Ras Prelims and Ras Mains

agriculture

the syllabus states that -mazor crops,cropping patterns in various parts of the country,different types of irrigation system,storage,transport and marketing of agricultural product,and issues related to constraints,e-tec hnology in the aid of farmers….the link for yojna January  2011 for agriculture is for dowloading dere would be a link as  download pdf also ncert geography land use … Read more agriculture