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GS Paper IUPSC Prelims 2011
Human & Political Geography
Question No. 202Interactive Test Mode
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Q202. Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land? (2011)

Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land? (2011)

Select the correct option below (or cross out options to eliminate)
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Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 2011 • Geography

Correct Answer: Option (B) — It makes some soils impermeable

Concept & Option Breakdown

Standard Reference Verified

Accumulation of sodium salts (salinization and sodification) causes soil dispersion, breakdown of soil aggregates, and clogging of soil macropores, which severely decreases soil hydraulic conductivity and permeability, making the soil virtually impermeable.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2011 (Q202)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicGeography → Human & Political Geography
Official Answer KeyOption (B) — It makes some soils impermeable

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Frequently Asked Questions — UPSC Prelims 2011 Q202

What is the official answer for UPSC Prelims 2011 GS Paper I Question 202 (Geography)?

The official UPSC answer key for this 2011 Geography (Human & Political Geography) question is Option (B): "It makes some soils impermeable". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2011 question belong to?

This question belongs to GS Paper I under the subject "Geography" and micro-topic "Human & Political Geography". You can explore all repeated questions from Human & Political Geography in Acme AI's 3D Prelims PYQ Realm or practice 50 full-length and sectional tests in the APT Prelims Test Series.

How can I solve this Human & Political Geography UPSC Prelims question using option elimination?

To solve Human & Political Geography questions in UPSC Prelims, identify extreme modifiers, verify core NCERT conceptual definitions, and eliminate mutually contradictory statement pairs before locking your final option.

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