Allied & ICAR Exam Bank • ALLIED_2408 MCQ • 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.
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