Allied & ICAR Exam Bank • ALLIED_1507 MCQ • 1 Mark

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

In algebraic topology, what is the genus (number of through-holes) of a standard two-dimensional sphere (the surface of a solid ball)?

Options:

  • (A) 0
  • (B) 1
  • (C) 2
  • (D) Infinity

Answer Key:

A

Step-by-Step Solution & Explanation

A sphere has no holes passing through it; its topological genus is g = 0.
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