Multiple choice

VITRO is to GLASS as LIGNO is to

  1. STEEL

  2. CEMENT

  3. WOOD

  4. GRANITE

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is an analogy question. Vitro is a prefix relating to glass (as in 'vitroceramic'). Similarly, Ligno is a prefix relating to wood (from 'lignin', the organic polymer in wood). Just as vitro-glass combinations involve glass, ligno-wood combinations involve wood.