Multiple choice

Which of the following slides is marked with a grid of lines (for example, a 1 mm grid) that allows the size of objects seen under magnification to be easily estimated and provides reference areas for counting minute objects?

  1. Concavity slide

  2. Fused quartz slide

  3. Petrographic slide

  4. Graticule slide

  5. Cavity slide
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A graticule slide is marked with a grid of lines (for example, a 1 mm grid) that allows the size of objects seen under magnification to be easily estimated and provides reference areas for counting minute objects. E.g. a Neubauer slide for cell counting.

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