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Consider the following:
1. Relief
2. Parent material
3. Climate
4. Vegetation
Which of the above is/are the factors affecting the formation of soil?
Consider the following:
1. Mineral particles 2. Humus
3. Water 4. Air
Which of the above is/are the components of soil?
Consider the following statements about soil profile:
1. Horizon ‘A’ is first stage in the soil formation process.
2. Horizon ‘B’ has got incorporated with the mineral matter, nutrients and water.
3. Horizon ‘C’ is composed of the loose parent material.
Which of the above statements is/are correctly matched?
Consider the following statements:
1. In ancient times, soils used to be classified into two main groups – Urvara and Usara.
2. In the 16th centrury A.D., soils were classified on the basis of their texture, colour, slope of land and moisture.
Which of the above mentioned is /are incorrect?
Consider the following statements:
1. Soil Survey of India was established in 1956.
2. The Indian Council of Agricultural Research (ICAR) has classified the Indian soils as per the United States Department of Agriculture (USDA) Soil Taxonomy.
3. The National Bureau of Soil Survey and the Land Use Planning is under ICAR.
Which of the above mentioned statements is/ are correctly matched?
Consider the following statements about Alluvial soils:
1. These soils cover about 60 per cent of the total area of India.
2. They are depositional soils, transported and deposited by rivers. The Peninsular region, they are found in deltas of the east coast.
Which of the above mentioned statements is/ are correctly matched?
Consider the following statements about Alluvial soils:
1. They vary in nature from sandy loam to clay.
2. They are generally rich in phosphorous but poor in potash.
Which of the above mentioned is /are correct?
Consider the following statements about Alluvial soils:
1. Khadar is the new alluvium and is deposited by floods annually.
2. Bhangar represents a system of older alluvium, deposited away from the flood plains.
3. Only Bhangar soils contain calcareous concretions.
4. The sand content decreases from the east to west.
Which of the above statements is/are are correct?
Consider the following:
1. Depth of the deposition
2. Texture of the materials
3. Time taken for attaining maturity
Which of the above is/are the factors responsible for the shade of alluvial soils?
Consider the following statements about Black Soils:
1. It covers most of the Deccan Plateau.
2. It is found in Maharashtra, Madhya Pradesh, Gujarat, Andhra Pradesh and some parts of Tamil Nadu.
3. It is very deep in upper reaches of the Godavari and the Krishna.
Which of the above statements is/are are correct?
Consider the following statements about Black Soils:
1. It is generally clayey, deep and impermeable.
2. During rainy season, this soil develops wide cracks.
3. It swells and becomes sticky when wet and shrinks when dried.
Which of the above statements is/are are correct?
Consider the following statements:
1. It is rich in lime, iron, magnesia and alumina.
2. It lacks phosphorous, nitrogen and organic matter.
3. It retains the moisture for a very long time.
The above mentioned characteristics are present in
Consider the following statements about Red Soil:
1. It develops on crystalline igneous rocks in areas of high rainfall.
2. It is found in the eastern and southern parts of the Deccan Plateau.
Which of the above mentioned is /are correct?
Consider the following statements about Red Soil:
1. It develops a reddish colour due to a wide diffusion of iron in crystalline and metamorphic rocks.
2. It looks yellow when it occurs in a hydrated form.
3. The fine-grained red and yellow soils are poor in fertility.
Which of the above statements is/are are incorrect?
Consider the following statements:
1. The coarse-grained red and yellow soils found in dry upland areas are poor in fertility.
2. They are generally rich in nitrogen, phosphorous and humus.
Which of the above mentioned is /are correct?
Consider the following statements:
1. It develops in areas with high temperature and high rainfall.
2. Itis the result of intense leaching due to tropical rains.
3. It is rich in iron oxide and aluminium compound.
The above mentioned characteristics are present in
Consider the following statements about Laterite soil:
1. They are not suitable for cultivation without fertilizers and manures.
2. They are poor in organic matter, nitrogen, phosphate and calcium.
3. The humus content of the soil is removed fast by bacteria that thrives well in high temperature.
Which of the above statements is/are are correct?
Which of the following soils are more suitable for cashewnut plants and as construction material?
Consider the following statements about Arid soil:
1. The colour of the soil ranges from deep black to grey.
2. In some areas, common salt is obtained by evaporating the saline water.
3. It is poor and contains little humus and organic matter.
Which of the above statements is/are are correct?
Consider the following statements about Arid soil:
1. It is generally sandy in structure and saline in nature.
2. Lower horizons of the soil are occupied by ‘kankar layers.
3. It is characteristically developed in eastern Rajasthan.
Which of the above statements is/are are correct?
Consider the following statements:
1. It is also known as Usara soil.
2. It does not support any vegetative growth.
3. It occurs in waterlogged and swampy areas.
The above mentioned characteristics are present in
Consider the following statements about Saline soil:
1. It has more salts, largely because of dry climate and poor drainage.
2. Its structure ranges from sandy to loamy.
3. It is rich in sodium, potassium and magnesium.
Which of the above statements is/are are correct?
Consider the following:
1. Western Gujarat
2. Deltas of the eastern coast
3. Sunderban
Which of the above area(s) has/have saline soil cover?
Consider the following statements:
1. The Southwest Monsoon brings salt particles and deposits as a crust in Rann of Kuchchh.
2. Seawater intrusions in the deltas reduce the occurrence of saline soil.
Which of the above mentioned is /are correct?
Consider the following statements:
1. Intensive cultivation with excessive use of irrigation can make alluvial soil as saline.
2. Excessive irrigation with dry climatic conditions reduces capillary action.
3. Gypsum is added in saline soil to make it cultivable.
Which of the above statements is/are are correct?
Consider the following statements:
1. It is found in the areas of heavy rainfall and high humidity. ere oy –
2. Organic matter in this soil may go even up to 40-50 per cent.
3. This soil is normally heavy and black in colour.
The above mentioned characteristics are present in
Consider the following statements about Peaty Soil:
1. It is found in areas of heavy rainfall and high humidity.
2. It occurs in coastal areas of West Bengal, Odisha and Tamil Nadu.
3. Organic matter in this soil may go even up to 40-50 per cent.
Which of the above statements is/are are correct?
Consider the following statements about forest soil :
1. It is loamy and silty on valley sides and coarse-grained in the upper slopes.
2. In the snow-bound areas of the Himalayas, it experiences denudation.
3. The soil found in the lower valleys is acidic with low humus content.
Which of the above statements is/are are correct?
Consider the following :
1. Topography
2. Wind velocity
3. Amount of the rainfall
Which of the above factors is/are are responsible for soil degradation?
Consider the following statements:
1. The rate of removal of fine particles from the surface is the same as the rate of addition of particles to the soil layer.
2. Human activities are also responsible for soil erosion.
3. The destruction of the soil cover is termed as soil erosion.
Which of the above statements is/are are incorrect?
Consider the following statements:
1. Wind erosion is predominant in arid and semi-arid regions.
2. It takes place mainly in the form of sheet and gully erosion.
Which of the above mentioned statements is / are correct?
Consider the following statements:
1. Sheet erosion removes the finer and more fertile top soil.
2. Gully erosion is common on steep slopes.
3. Gullies cut the agricultural lands into small fragments.
Which of the above statements is/are are correct?
Consider the following statements:
1. A region with a large number of deep gullies is called a badland topography.
2. Ravines are widely found in Chambal Basin.
Which of the above mentioned statements is / are correct?
Consider the following statements:
1. Arable land in the irrigated zones of India is becoming saline because of overirrigation.
2. Chemical fertilisers in the absence of organic manures are harmful to the soil.
3. Unless the soil gets enough humus, chemicals harden it and reduce its fertility in the long run.
Which of the above conditions prevail in areas that were first beneficiaries of the Green Revolution?
Consider the following:
1. Open cultivable lands on slopes from farming
2. Over-grazing
3. Shifting cultivation
Which of the above mentioned practices need to be checked for soil conservation?
Consider the following:
1. Contour bunding
2. Contour terracing
3. Cover cropping
4. Mixed farming
5. Crop rotation
Which of the above measures can be adopted to prevent soil erosion?
Consider the following:
1. Check dam
2. Terracing
3. Planting cover vegetation
Which of the above measures can be adopted to prevent gully erosion?