UPSC CSE Prelims
Question 20
Among the following, which one is the least water-efficient crop?
View correct answer and explanation
Correct answer: A
Correct Option: A (Sugarcane)
Explanation: Sugarcane has very high water requirements over its long growing season and is least water-efficient among these four field crops in the standard exam comparison.
Option-wise Analysis:
A. Correct-sugarcane generally consumes substantial irrigation water per unit crop.
B. Incorrect-Sunflower needs less water than sugarcane under typical cultivation.
C. Incorrect-Pearl millet is drought tolerant and suited to low rainfall.
D. Incorrect-Red gram (pigeon pea) is relatively drought hardy and uses less irrigation.