Question

what is the use of glycerine in preparation of slide of onion peel ?

Answer 1

glycerine is used for staining the specimen which is present in our glass slide.

Answer 2

Explanation: Onion peel experiment is done its study the cell structure.

• Glycerin is considered as a mounting agent while making a slide of onion peel.
• It is a good hydrating agent.
• It does not allow the specimen to dry out during the long duration of study.
• It provides a wet medium for the stain so the cell structure can be easily studied.
• It expels bubbles which may come during the mounting of the slide.