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Which one of the foil owing factors is not responsible for the land degradation?
  • a)
    Soil erosion
  • b)
    Salinity
  • c)
    Afforestation
  • d)
    Alkalinity
Correct answer is option 'C'. Can you explain this answer?
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Which one of the foil owing factors is not responsible for the land de...
The pressure on agricultural land increases not only due to the limited availability but also by deterioration of quality of agricultural land. Soil erosion, waterlogging, salinisation and alkalinisation of land lead to land degradation.
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Direction: Read the case study given below and answer any three of the questions that follow.The destruction of the soil cover is described as soil erosion. The soil forming processes and the erosional processes of running water and wind go on simultaneously. But generally, there is a balance between these two processes. The rate of removal of fine particles from the surface is the same as the rate of addition of particles to the soil layer. Sometimes, such a balance is disturbed by natural or human factors, leading to a greater rate of removal of soil. Human activities too are responsible for soil erosion to a great extent. As the human population increases, the demand on the land also increases. Forest and other natural vegetation are removed for human settlement, for cultivation, for grazing animals and for various other needs. Wind and water are powerful agents of soil erosion because of their ability to remove soil and transport it. Wind erosion is significant in arid and semi-arid regions. In regions with heavy rainfall and steep slopes, erosion by running water is more significant. Water erosion which is more serious and occurs extensively in different parts of India, takes place mainly in the form of sheet and gully erosion. Sheet erosion takes place on level lands after a heavy shower and the soil removal is not easily noticeable. But it is harmful since it removes the finer and more fertile top soil. Gully erosion is common on steep slopes. Gullies deepen with rainfall, cut the agricultural lands into small fragments and make them unfit for cultivation. A region with a large number of deep gullies or ravines is called a bad land topography. Ravines are widespread, in the Chambal basin. Besides this, they are also found in Tamil Nadu and West Bengal. The country is losing about 8,000 hectares of land to ravines every year.Q. The soil forming processes and the erosional processes of running water and wind go on ________

Direction: Read the case study given below and answer any three of the questions that follow.The destruction of the soil cover is described as soil erosion. The soil forming processes and the erosional processes of running water and wind go on simultaneously. But generally, there is a balance between these two processes. The rate of removal of fine particles from the surface is the same as the rate of addition of particles to the soil layer. Sometimes, such a balance is disturbed by natural or human factors, leading to a greater rate of removal of soil. Human activities too are responsible for soil erosion to a great extent. As the human population increases, the demand on the land also increases. Forest and other natural vegetation are removed for human settlement, for cultivation, for grazing animals and for various other needs. Wind and water are powerful agents of soil erosion because of their ability to remove soil and transport it. Wind erosion is significant in arid and semi-arid regions. In regions with heavy rainfall and steep slopes, erosion by running water is more significant. Water erosion which is more serious and occurs extensively in different parts of India, takes place mainly in the form of sheet and gully erosion. Sheet erosion takes place on level lands after a heavy shower and the soil removal is not easily noticeable. But it is harmful since it removes the finer and more fertile top soil. Gully erosion is common on steep slopes. Gullies deepen with rainfall, cut the agricultural lands into small fragments and make them unfit for cultivation. A region with a large number of deep gullies or ravines is called a bad land topography. Ravines are widespread, in the Chambal basin. Besides this, they are also found in Tamil Nadu and West Bengal. The country is losing about 8,000 hectares of land to ravines every year.Q. Ravines are widespread in the ________ basin.

Direction: Read the case study given below and answer any three of the questions that follow.The destruction of the soil cover is described as soil erosion. The soil forming processes and the erosional processes of running water and wind go on simultaneously. But generally, there is a balance between these two processes. The rate of removal of fine particles from the surface is the same as the rate of addition of particles to the soil layer. Sometimes, such a balance is disturbed by natural or human factors, leading to a greater rate of removal of soil. Human activities too are responsible for soil erosion to a great extent. As the human population increases, the demand on the land also increases. Forest and other natural vegetation are removed for human settlement, for cultivation, for grazing animals and for various other needs. Wind and water are powerful agents of soil erosion because of their ability to remove soil and transport it. Wind erosion is significant in arid and semi-arid regions. In regions with heavy rainfall and steep slopes, erosion by running water is more significant. Water erosion which is more serious and occurs extensively in different parts of India, takes place mainly in the form of sheet and gully erosion. Sheet erosion takes place on level lands after a heavy shower and the soil removal is not easily noticeable. But it is harmful since it removes the finer and more fertile top soil. Gully erosion is common on steep slopes. Gullies deepen with rainfall, cut the agricultural lands into small fragments and make them unfit for cultivation. A region with a large number of deep gullies or ravines is called a bad land topography. Ravines are widespread, in the Chambal basin. Besides this, they are also found in Tamil Nadu and West Bengal. The country is losing about 8,000 hectares of land to ravines every year.Q. The country is losing about __________ hectares of land to ravines every year.

Directions: Read the following information and answer.Indira Gandhi Canal (Nahar) Command AreaIndira Gandhi Canal, previously known as Rajasthan canal, is one of the largest canal systems in India.The canal originates at Harike barrage in Punjab and runs parallel to Pakistan border at an average distance of 40 km in Thar Desert (Marusthali) of Rajasthan.The construction work of the canal system has been carried out through two stages. The command area of stage-I lies in Ganganagar, Hanumangarh and northern part of Bikaner districts. It has a cultural command area of 5.53 lakh hactares. The command area of stage - II is spread over Bikaner, Jaisalmer, Barmer, Jodhpur, Nagaur and Churu districts covering culturable command area of 14.10 lakh hectares.The introduction of canal irrigation in this dry land has transformed its ecology, economy and society. It has influenced the environmental conditions of the region both positively as well as negatively, The availability of soil moisture for a longer period of time and various afforestation and pasture development programmes under CAD have resulted in greening the land. This also helped in reducing wind erosion and siltation of canal systems. But the intensive irrigation and excessive use of water has led to the emergence of twin environmental problems of waterlogging and soil salinity. Introduction of canal irrigation has brought about a perceptible transformation in the agricultural economy of the region.Soil moisture has been a limiting factor in a success fill growing of crops in this area, Spread of canal irrigation has led to increase in cultivated area and intensity of cropping. This has also caused waterlogging and soil salinity, arid thus, in the long run, it hampers the sustainability of agriculture.Identify the correct statements.A. Canal irrigation has brought a perc ept ible transformation in the agriculture.B. Canal leads to afforestation.C. It has also caused water logging and soil salinity.D. Spread of canal led to decrease in cultivated area.Choose the correct answer from the options given below

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Which one of the foil owing factors is not responsible for the land degradation?a)Soil erosionb)Salinityc)Afforestationd)AlkalinityCorrect answer is option 'C'. Can you explain this answer?
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Which one of the foil owing factors is not responsible for the land degradation?a)Soil erosionb)Salinityc)Afforestationd)AlkalinityCorrect answer is option 'C'. Can you explain this answer? for Humanities/Arts 2024 is part of Humanities/Arts preparation. The Question and answers have been prepared according to the Humanities/Arts exam syllabus. Information about Which one of the foil owing factors is not responsible for the land degradation?a)Soil erosionb)Salinityc)Afforestationd)AlkalinityCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Humanities/Arts 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the foil owing factors is not responsible for the land degradation?a)Soil erosionb)Salinityc)Afforestationd)AlkalinityCorrect answer is option 'C'. Can you explain this answer?.
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