The denudation of soil cover and subsequent to washing down is described as ____.
When soil gets washed away by the agents of degradation, it is called soil erosion.
Name the great leader who said, ‘There is enough for everybody’s need and not enough for everyone's greed’?
Mahatma Gandhi felt that ‘there is enough for everybody’s need, but not enough for everyone's greed.’
Which one of the following is the main cause of land degradation in Punjab?
Over-irrigation is the main cause of land degradation in Punjab. It causes an increase in the salinity of the soil which in turn, leads to soil degradation.
Which of the following is not relating in the importance of the Rio De Janeiro Earth Summit held in 1992?
The first Earth Summit was convened in 1992 at Rio de Janeiro for addressing urgent global problems for which Agenda 21 was adopted.
Resources that are composed of non-living things are called ____ resources.
Resources that are not a part of the biosphere are non-living and thus are abiotic.
Soil formed by intense leaching is called ____.
Laterite soil is intensely leached due to heavy rainfall and alternate dry and wet climate conditions.
Resources are objects in the environment that satisfy our basic needs by being technologically accessible, culturally acceptable and economically feasible.
The data of land use is:
The data of land use is not available for the entire geographical area of India. Land use reporting for most of the north-eastern states, except Assam, has not been done fully, and some areas of Jammu and Kashmir occupied by Pakistan and China have not been surveyed.
The net sown area in India is ____ of the total land area.
The net sown area in India is 43.4% of the total land area, according to the latest census.
Sustainable development means____.
Development should take place without compromising the ability of future generations to meet their needs.
What is the third layer of a soil profile called, reffering from earth surface ?
Substratum weathered parent rock is the third layer of a soil profile. When the unweathered parent bed rock starts weathering, a porous substratum parent rock material is formed.
Land degradation is a major cause of ____.
Surface mining leads to land degradation because mining sites are abandoned after excavation work is complete, leaving deep scars and traces of over-burdening.
The method of growing long strips of grass between crops refers to ____.
Strip cropping breaks up the force of winds thus preventing soil erosion.
Under which of the following types of resources can tidal energy be categorized?
Replenishable, because tidal energy can be generated regularly due to the formation of tides. As the tides are continuous everlasting phenomena.
Which river systems have deposits of alluvial soils in the Northern Plains of India?
The Indus, the Ganga and the Brahmaputra have deposits of alluvial soils in the Northern Plains of India. These perennial mainstream of Himalayan rivers flow with a dense network over the Northern Plains.
What right does India has from the bed of Indian Ocean beyond the Exclusive Economic Zone?
India has the right to mine manganese nodules from the bed of Indian Ocean to meet its needs.
What types of land are included in wasteland?
Rocky and desert areas are included in wasteland. This is because these areas cannot be used for agriculture, forests, construction or settlements.
The Chambal River and its tributaries have eroded the land, resulting in huge cracks and valleys. These deep valleys are the Chambal Ravines.
Ladakh is deficient in water, infrastructure and vital minerals but is rich in ____.
Ladakh is deficient in water, infrastructure and vital minerals but is rich in cultural heritage.Ladakh is deficient in water, infrastructure and vital minerals but is rich in cultural heritage.
Rows of planted trees to create shelter are called ____.
Rows of planted trees to create shelter are called shelter belts, which have contributed significantly to the stabilisation of sand dunes in the deserts of western India.
Shelter belts can be created in ____.
Shelter belts can be created in desert regions. They contribute considerably to the stabilization of sand dunes.
Iron ore is a ____ resource.
Non-renewable resources like iron occur over a very long geological time, takes millions of years to form, and cannot be replenished immediately.
Fallow land refers to ____.
Fallow land refers to cultivable land not cultivated for a season. This is done for the soil to regain its fertility.
The main feature of arid soil is ____.
Due to the dry climate and high temperature, evaporation is faster so the soil lacks humus and moisture.
How do human beings interact with nature?
Humans interact with nature by using technology and by creating institutions to accelerate their economic development.
What is common to the following - Burial grounds, Picnic spots, Grazing lands and Public parks?
They are resources accessible to all members of the community who look after its development, whether in rural or urban areas.
Black soil is also known as ____.
Black soil is black in colour and is also known as regur soil.
In which of the following states is black soil found?
The climatic condition along with the solidified lava parent rock material of Gujarat has favored the formation of black soil.
Agenda 21 emphasised on____.
Agenda 21 emphasized global sustainable development in the 20th century by carrying this idea to the grassroots level.
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