Which noun means a change to something, usually to improve it?

• A. Modification
• B. Alteration
• C. Transformation
• D. Adaptation

Answer: (A)

This item tests your ability to choose a noun that means making a change to something, usually to improve it. Modification fits best because it specifically signals a tweak or refinement aimed at enhancement, upgrading features, or updating something without implying a complete overhaul. It’s a common term when people talk about improving a design, a device, or a plan by making careful changes.

Alteration is a broader term for any change, which could be minor or major and not inherently about improvement. Transformation suggests a total or dramatic change in form or nature, often moving to something quite different. Adaptation focuses on changing to fit new conditions or purposes, not necessarily implying improvement. So while those ideas involve change, they don’t convey the same nuance of a targeted improvement as modification does.