West Bengal Police Constable Special Mock Test

Indian Geography - Soil

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1) Which of the following soil types is most suitable for cotton cultivation in India, considering its nutrient content and water retention capabilities?

A) Alluvial soil

B) Black soil

C) Red soil

D) Laterite soil

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2) Which characteristic of laterite soils affects their agricultural productivity, and how can farmers overcome this challenge?

A) High organic content, enhanced by synthetic fertilizers.

B) High acidity, overcome by applying lime.

C) Excessive fertility, controlled by selective cropping.

D) Low water retention, managed by drip irrigation.

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3) Which soil type in India is most prone to waterlogging, and what agricultural practice can mitigate its effects?

A) Alluvial soil; terracing.

B) Laterite soil; increased use of fertilizers.

C) Black soil; improved drainage systems.

D) Red soil; reduced irrigation.

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4) India is known for its diverse soil types. Which one of the following statements best explains the significant presence of alluvial soils in the northern plains?

A) It is formed due to high rainfall and dense vegetation.

B) The soil is primarily formed from volcanic material.

C) The soil originates from marine deposits.

D) It is a result of sediment deposition by rivers over millennia.

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5) Regur Soils are also known as -

A) 2. Red soils

B) 3. Alluvial soils

C) 1. Black soils

D) 4. Laterite soils

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6) Assess the following statement: 'The presence of kankar or calcareous concretions is a defining feature of which soil type, and what challenge does it pose for agriculture?'

A) Red soil; enhances nutrient availability.

B) Black soil; improves water retention.

C) Alluvial soil; restricts root growth.

D) Arid soil; limits water infiltration.

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7) What is the primary factor influencing the distribution of laterite soils in India, and how does it affect soil properties?

A) High elevation, resulting in nutrient-rich soils.

B) Low temperatures leading to reduced iron content.

C) Heavy rainfall causing leaching of minerals.

D) Dry winds leading to high clay content.

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8) Which region of West Bengal is characterized by undulating topography and red lateritic soil?

A) Terai

B) Bhagirathi Basin

C) Darjeeling Himalayan Hill Region

D) Purulia Plateau

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9) Analyze how the topography and climate of the Deccan Plateau contribute to the formation of a particular soil type prevalent in the region.

A) The plateau's elevation and dry climate promote Laterite soil formation.

B) The high rainfall and steep slopes lead to Red soil formation.

C) The basaltic rock and semi-arid conditions lead to the widespread presence of Black soil.

D) The gentle slopes and humid climate result in Alluvial soil.

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10) Consider the impact of deforestation on soil erosion in hilly regions of India. What is the most likely consequence of this environmental change?

A) Increase in percolation capacity of the soil.

B) Decrease in soil fertility due to the loss of humus.

C) Enhancement of the soil's nitrogen content.

D) Reduction in soil salinity.

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Curriculum

CT 43: Indian Geography (Soil মৃত্তিকা)

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