Glycerin prevents the onion peel from drying and keeps it stuck to the slide. It also provides clarity and allows easy viewing of cell structures under the microscope.
Class 8 Science Curiosity Grade 8 Chapter 2 The Invisible Living World Beyond Our Naked Eye solutions
Class 8 Science Chapter 2 The Invisible Living World: Beyond Our Naked Eye Question Answer
Glycerin is used while preparing slides because it keeps the onion peel moist and prevents air bubbles from forming. It acts as a mounting medium that holds the specimen in place and improves visibility. Since cell structures can dry out quickly and shrink, glycerin helps maintain their shape and clarity during observation, ensuring accurate microscopic examination.
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