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UPSC Exam  >  UPSC Tests  >  Test: Soil - UPSC MCQ

Test: Soil - UPSC MCQ


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10 Questions MCQ Test - Test: Soil

Test: Soil for UPSC 2024 is part of UPSC preparation. The Test: Soil questions and answers have been prepared according to the UPSC exam syllabus.The Test: Soil MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Soil below.
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Test: Soil - Question 1
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What are the major factors influencing the formation of soil?

Detailed Solution for Test: Soil - Question 1
The formation of soil is influenced by several factors, including relief (topography), parent material (the source of soil particles), climate, vegetation, and time. These factors collectively contribute to the development of different types of soils in various regions.
Test: Soil - Question 2
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Which type of soil is also known as "Regur Soil" or "Black Cotton Soil"?

Detailed Solution for Test: Soil - Question 2
Black soil is also referred to as "Regur Soil" or "Black Cotton Soil." It is typically clayey, deep, and impermeable and is known for its ability to retain moisture for extended periods, making it suitable for rain-fed crops.
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Test: Soil - Question 3
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What is the primary cause of soil erosion in regions with heavy rainfall and steep slopes?

Detailed Solution for Test: Soil - Question 3
In regions with heavy rainfall and steep slopes, water erosion is the primary cause of soil erosion. This type of erosion occurs through the action of running water, leading to the removal of topsoil and the formation of gullies, which can be detrimental to agricultural land.
Test: Soil - Question 4
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Which river is considered the most polluted river in India between Delhi and Etawah?
Detailed Solution for Test: Soil - Question 4
The Yamuna river is considered the most polluted river in India, particularly in the stretch between Delhi and Etawah. It faces severe pollution due to the discharge of domestic, industrial, and agricultural effluents.
Test: Soil - Question 5
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What is the main objective of rainwater harvesting?
Detailed Solution for Test: Soil - Question 5
The main objective of rainwater harvesting is to recharge groundwater aquifers. By capturing and storing rainwater, this technique helps in replenishing underground water sources, which is crucial for maintaining water availability and preventing the decline of groundwater tables.
Test: Soil - Question 6
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Which sector accounts for the highest utilization of groundwater in India?
Detailed Solution for Test: Soil - Question 6
The agricultural sector accounts for the highest utilization of groundwater in India. It is primarily used for irrigation purposes, especially in states like Punjab, Haryana, and western Uttar Pradesh, where groundwater is extensively drawn for crop cultivation.
Test: Soil - Question 7
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According to India's National Water Policy, what is the first priority for water allocation?
Detailed Solution for Test: Soil - Question 7
According to India's National Water Policy, the first priority for water allocation is drinking water. Ensuring access to safe drinking water for all human beings and animals is considered the highest priority in water allocation.
Test: Soil - Question 8
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Which type of soil is formed in areas with high temperatures and intense leaching due to tropical rains?
Detailed Solution for Test: Soil - Question 8
Laterite soil is formed in areas with high temperatures and intense leaching due to tropical rains. These soils are characterized by the leaching of lime and silica, leaving behind iron oxide and aluminum compounds.
Test: Soil - Question 9
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What is the term used to describe the vertical section of soil from the ground surface downwards to where it meets the underlying rock?
Detailed Solution for Test: Soil - Question 9
The term used to describe the vertical section of soil from the ground surface downwards to where it meets the underlying rock is "Soil Profile." It consists of different layers or horizons that vary in composition and characteristics.
Test: Soil - Question 10
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What is the primary cause of saline soils in areas of intensive cultivation with excessive use of irrigation?
Detailed Solution for Test: Soil - Question 10
Seawater intrusions, especially in areas of intensive cultivation with excessive use of irrigation, are the primary cause of saline soils. In such regions, the intrusion of seawater contributes to the accumulation of salts in the soil.
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Important Questions for Soil

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Soil MCQs with Answers

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