Allied & ICAR Exam Bank • ALLIED_2390MCQ • 2 Marks
Section 8: General Aptitude
Verbal Aptitude
Subtopic: Reading Comprehension
Question Statement:
The counterargument states that zero-tillage increases weed pressure and demands excessive chemical herbicides. The author refutes this by presenting evidence that:
Options:
(A) Retaining a dense surface residue mulch suppresses weed seed germination photochemically, reducing herbicide reliance over time.
(B) Weeds do not grow in fields where zero-tillage is practiced.
(C) Herbicides are completely safe for all soil microfauna.
(D) Hand-weeding is cheaper than mechanized tillage.
Answer Key:
A
Step-by-Step Solution & Explanation
The author demonstrates that surface residue mulch physically and photochemically suppresses weed emergence.