Question

Give one reason for each of the following operations in microscopy work. 

1. Adding a drop of iodine solution
2. Covering the specimen with a cover slip.
3. Cutting the specimen using a sharp blade.

Answer 1

1. To make cell structures distinguishable/distinct/clearer
2.  
   1. To prevent dirt from contaminating the specimen
   2. Prevent entry of air bubbles.
3. To prevent distortion of the cells/tissues