Allied & ICAR Exam Bank • ALLIED_0680 MCQ • 1 Mark

Section 6: Agricultural Process Engineering

Grain Storage Structures and Silos

Subtopic: Grain Storage Structures and Silos

Question Statement:

Fumigation of grain storage warehouses in India is most commonly carried out using:

Options:

  • (A) Aluminium phosphide releasing phosphine gas ($PH_3$)
  • (B) Chlorine gas
  • (C) Methane
  • (D) Sulfur dioxide

Answer Key:

A

Step-by-Step Solution & Explanation

Aluminium phosphide reacts with ambient atmospheric humidity to liberate phosphine gas ($PH_3$), a lethal fumigant for stored product insect pests.
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