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GS Paper IUPSC Prelims 2021
Economic Geography
Question No. 120Interactive Test Mode
00:00
+2-0.66

Q120. Among the following, which one is the least water-efficient crop ?

Among the following, which one is the least water-efficient crop ?

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 2021 • Geography

Correct Answer: Option (A) — Sugarcane

Concept & Option Breakdown

Standard Reference Verified

Sugarcane is a long-duration, highly water-intensive crop requiring between 1,500 to 2,500 mm of water throughout its growing cycle, making it the least water-efficient compared to pearl millet (~350 mm), pulses (~200–450 mm), and sunflower (~350–500 mm).

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2021 (Q120)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicGeography → Economic Geography
Official Answer KeyOption (A) — Sugarcane

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Frequently Asked Questions — UPSC Prelims 2021 Q120

What is the official answer for UPSC Prelims 2021 GS Paper I Question 120 (Geography)?

The official UPSC answer key for this 2021 Geography (Economic Geography) question is Option (A): "Sugarcane". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2021 question belong to?

This question belongs to GS Paper I under the subject "Geography" and micro-topic "Economic Geography". You can explore all repeated questions from Economic 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 Economic Geography UPSC Prelims question using option elimination?

To solve Economic 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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