Water is the most valuable natural resource on earth. It sustains all forms of life. About 70% of earth’s surface is covered with water but only 2.5% of the available water is freshwater. About two-thirds of the freshwater lies frozen in the form of glaciers and ice caps. The rest of the small portion is available in the form of groundwater and surface water. NCERT Class 10 Social Science Geography Chapter 3, ‘Water Resources’ explains students on what is water scarcity and why there is a need to conserve water sources, multipurpose river projects, concept of Integrated Water Resource Management, rainwater harvesting and Bamboo drip irrigation system.
Water resources are important for life to exist. Many uses of water include agricultural, industrial, household, recreational and environmental activities. Fresh water is a renewable resource, yet the world's supply of groundwater is steadily decreasing, with depletion occurring most prominently. Given below are subjective and objective type questions and answers on Water Resources - Class 10 NCERT written by a team of subject experts at NTSE Guru.