Soils
Geography ⇒ Physical Geography
Soils starts at 7 and continues till grade 12.
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See sample questions for grade 11
Describe the main characteristics of alluvial soil.
Describe the main characteristics of desert soil.
Describe the process of laterization and its effect on soil fertility.
Explain the difference between soil fertility and soil productivity.
Explain the impact of deforestation on soil erosion.
Explain the importance of soil for agriculture.
Explain the significance of contour ploughing in soil conservation.
Explain the term 'soil erosion' and mention two human activities that accelerate it.
Which horizon of the soil profile is known as the 'zone of leaching'? (1) A-horizon (2) B-horizon (3) C-horizon (4) R-horizon
Which of the following is a biological property of soil? (1) Texture (2) Microbial activity (3) pH (4) Porosity
Which of the following is a chemical property of soil? (1) Texture (2) Structure (3) pH (4) Porosity
Which of the following is a major cause of soil degradation in India? (1) Overgrazing (2) Afforestation (3) Crop rotation (4) Mulching
Fill in the blank: The process by which soluble nutrients are washed out from the soil is called _______.
Fill in the blank: The process of breaking down rocks into smaller particles to form soil is called _______.
Fill in the blank: The process of restoring soil fertility by adding organic or inorganic substances is called _______.
Fill in the blank: The soil formed in marshy areas with high organic content is called _______ soil.
State whether the following statement is true or false: Black soil is also called 'Regur soil'.
State whether the following statement is true or false: Peaty soils are found in the Himalayan region.
State whether the following statement is true or false: Soil structure affects water retention and aeration.
True or False: Alluvial soils are mainly found in the river valleys of northern India.
