Allied & ICAR Exam Bank • ALLIED_2408MCQ • 2 Marks
Section 8: General Aptitude
Verbal Aptitude
Subtopic: Critical Reasoning
Question Statement:
Paradox: 'A commercial greenhouse introduced predatory mites to control spider mites. Within two weeks, spider mite counts increased sharply before disappearing completely in the sixth week.' What resolves the temporary surge?
Options:
(A) The predatory mites consumed the visible adult spider mites first, causing hidden eggs to hatch synchronously in a brief surge before the predator population expanded to consume all nymphs.
(B) Spider mites feed on plant sap.
(C) Greenhouses maintain controlled temperature and humidity.
(D) Predatory mites are microscopic arachnids.
Answer Key:
A
Step-by-Step Solution & Explanation
Synchronous hatching of hidden eggs followed by predator population expansion resolves the temporary spike.