Water Resources — Flashcards

Answer

Water is needed for agriculture, industry, drinking, hydroelectricity, navigation, and daily life. India is an agricultural country, so water support is essential for crop production and rural livelih…

Answer

Surface water is water found on the surface of the earth. Examples include rivers, lakes, ponds, canals, and lagoons.

Answer

Groundwater is the part of rainwater that seeps through the cracks and crevices into the ground. It is stored below the earth’s surface and is an important source of water for irrigation and drinking.

Answer

Groundwater is one of the most important water sources in India. It supports irrigation and domestic use, is generally of good quality in many areas, and is especially important where rainfall is unce…

Answer

Irrigation is the process of supplying water to crops by artificial means such as canals, wells, tube wells, and lakes from natural sources like rivers, tanks, ponds, or underground water.

Answer

Irrigation is necessary because rainfall is uneven, seasonal, and uncertain. The south-west monsoon brings most rain in a few months, but many crops need water throughout the year. Some crops like ric…

Answer

The Ganga-Brahmaputra-Meghna system is the biggest major river system of India by catchment area, with about 110 million hectares. It is a perennial Himalayan river system.

Answer

Himalayan rivers are called perennial rivers because they are snow-fed and carry water throughout the year.