Making a plant call slide (onion)

• What is the first step in making a plant cell slide using onion tissue?

  Peel a small section of onion tissue
• Why is iodine added to the onion tissue on the slide?

  To stop drying out and see organelles clearly
• What should you do after adding iodine to the onion tissue?

  Gently lower coverslip onto onion tissue
• What is the next step after preparing the slide with the coverslip?

  Set slide onto the stage
• What is the recommended order for examining the slide?

  Use low power first, then higher power
• What is the magnification of the eyepiece lens?

  ×10
• What is the magnification of the objective lens?

  ×40
• How is the overall magnification calculated?

  Eyepiece magnification × Objective magnification
• What is the significance of using low power before higher power when examining a slide?

  It allows for a broader view before zooming in