Allied & ICAR Exam Bank • ALLIED_0676 MCQ • 1 Mark

Section 6: Agricultural Process Engineering

Grain Storage Structures and Silos

Subtopic: Grain Storage Structures and Silos

Question Statement:

Hermetic grain storage structures (such as PICS bags and sealed cocoons) protect stored grain from insect pests by:

Options:

  • (A) Allowing grain and insect respiration to naturally deplete oxygen ($O_2 < 3-5\%$) and increase carbon dioxide ($CO_2$), suffocating insects and mold
  • (B) Chemical pesticide gas continuous injection
  • (C) Freezing to $-20^\circ\text{C}$
  • (D) Gamma radiation

Answer Key:

A

Step-by-Step Solution & Explanation

Airtight hermetic sealing suffocates all development stages of callosobruchus and weevils through bio-generated hypoxia without chemical residues.
← Previous (ALLIED_0675) Next (ALLIED_0677) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test