APSC Prelims and Mains Notes, APSC Test Series
Rice The rice is cultivated on the largest areas in India. Historians believe that while the indica variety of rice was first domesticated in the area covering the foothills of the Eastern Himalayas (i.e. north-eastern India).Rice is a nutritional staple food which provides instant energy as its most important component is carbohydrate (starch). Rice … Read more
Distribution of major natural resources of World-Water, Soils, Forests in reference to South and South-East Asia Distribution of key natural resources across the world (including South Asia and the Indian subcontinent) Natural resources are highly valued because human beings are dependent on them to fulfil their fundamental needs that changes with … Read more
The factors are as follows: Latitude: The insolation largely depends on the latitude. The intensity of insolation decreases from equator to poles. In addition to this the day length and seasons also depends upon the latitude. Hence lower latitude records high temperature as compared to higher latitudes. Altitude: As we know that temperature … Read more
Soil is defined as upper layer of the earth composed of loose surface material. It is a mixture of many substances including endless variety of minerals, remnants of plants and animals, water and air. It is the end product of continuing interaction between the parent material, local climate, plant and animal organisms and elevation … Read more
In India, at present forest areas cover about 76.5 million hectares of land, which is about 23 per cent of the total geographical area. It ranges from about 87 per cent in Andaman & Nicobar Islands to only about 4 percent in Haryana making to range difference of 83 percent. According to our National … Read more
According to ICAR Indian soils are classified as:- Alluvial soils:-Alluvial soils are formed mainly due to silt deposited by Indo Gangetic Brahmaputra rivers. In coastal regions some alluvial deposits are formed due to wave action. Black soils:-The black soils are found mainly on the Deccan lava region covering large parts of Maharashtra, some parts of … Read more
Distribution of Mulberry and Non-mulberry Sericulture (area, production and productivity across states), Cocoon Production Sericulture which has its origin in China is an age old industry in India. Silk route is one of the ancient internationally recognized route for global business for not only silk but also other important commodities. History reveals that … Read more
Mineral is a naturally occurring, homogeneous inorganic solid substance having a definite chemical composition and characteristic crystalline structure, color, and hardness Minerals are valuable natural resources that are finite and non-renewable. The history of mineral extraction in India dates back to the days of the Harappan civilization. The wide availability of minerals in the … Read more
Climate change is a result of rapid global warming. The increase of average temperature of earth is termed as Global warming. Global warming is a natural process which has been accelerated by anthropogenic activities. Because of this earth is not getting time to adjust to this change. This is causing climate change. Effect on … Read more
China China ranks first in the world in coal production. Nearly 38 per cent of world’s coal output is from China. All types of coal are found, including anthracite, bituminous coal and lignite. Although coal occurs in every province of China, but its greatest concentration is in Shanxi and Shaanxi (Shansi and Shensi). USA … Read more