What are the types of mounting involved in the preparation of slides ?

Explanation

Preparation of slides :
There are different types of mounting based on the portion of a specimen to be observed.
1. Whole mount : The whole organism or smaller strucure is mounted over a slides and observed.
2. Squash : Is a preparation where the material to be observed is crushed / Squashed on to a slide so as to reveal their contents. Eg: pollen grains, mitosis and meiosis in root tips and flower buds to observe chromosomes.
3. Smears : Here the specimen is in the fluid (blood , microbial cultures etc.) are scraped, brushed or aspirated from surface of organ. Eg : Epithelial cells.
4. Sections : Free hand sections from a specimen and thin sections are selected, stained and mounted on a slide. Eg : Leaf and stem of plants.