Question

Describe how the student could use an eyepiece graticule to determine the mean
diameter of stomata.
[3 marks]

Accepted Answer

1. Measure (each stoma) using eyepiecegraticule;2. Calibrate eyepiece graticule against stagemicrometer / ruler / graph paper;3. Take a number of measurements (to calculatea mean);

Front	Describe how the student could use an eyepiece graticule to determine the mean diameter of stomata. [3 marks]
Back	1. Measure (each stoma) using eyepiece graticule; 2. Calibrate eyepiece graticule against stage micrometer / ruler / graph paper; 3. Take a number of measurements (to calculate a mean);

Eyepiece Graticule Describe Student Determine Diameter Stomata Marks