Question : Salination of soil is caused by
Option 1: Pesticides
Option 2: Soil erosion
Option 3: Excess irrigation
Option 4: Crop rotation
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Correct Answer: Excess irrigation
Solution : The correct option is Excess irrigation.
The buildup of excess salts in the soil causes salination, which is mainly caused by inadequate drainage, over-irrigation, or the presence of naturally occurring saline groundwater. This can diminish agricultural output and have a detrimental influence on plant growth.
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Question : Which of the following is caused by exogenic force?
Option 1: Erosion
Option 2: Landslide
Option 3: Earthquake
Option 4: Volcano
Question : Hydraulic Action is a type of erosion caused by
Option 1: Running water
Option 2: Wind
Option 3: Glacier
Option 4: None of these.
Question : Soil formed by leaching and oxidation is:
Option 1: Black soil
Option 2: Laterite soil
Option 3: Red soil
Option 4: Montane soil
Question : Black soil is also known by which of the following names?
Option 1: Khadar Soil
Option 2: Bhangar Soil
Option 3: Alluvial Soil
Option 4: Regur Soil
Question : The sideways erosion that widens the river valley is called
Option 1: lateral erosion
Option 2: vertical erosion
Option 3: side erosion
Option 4: mean erosion
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