10 Questions
Mount the onion onto the microscope ______ with a drop of water using a pipette.
slide
Add 2 drops of ______ solution to stain the cells.
iodine
Rotate the objective lenses so that the ______ power is in line with the stage.
low
Turn the ______ focus so that the stage is as close to the objective lens as possible.
course
Place the microscope ______ in the centre of the stage.
slide
Peel off an ______ layer on the onion using forceps
epidermal
Making sure the tissue lies ______
flat
Place the ______ slip on slowly making sure no air bubbles are trapped
cover
Focus the ______ and then rotate the objectives so that the high power objective is in line with the stage
slide
Record an ______ and then rotate the objectives so that the high power objective is in line with the stage
image
Learn the steps to prepare and observe onion cells under a microscope. This lab guide covers the process of preparing an onion epidermal layer for microscopy, from peeling to staining and mounting. Practice your microscopy skills with this interactive quiz!
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