BI-2134
Using a microscope
Biology · Secondary 4 · Medium · Using a microscope
A student wants to observe onion epidermal cells clearly under a light microscope.
Which combination of steps will give the clearest image?
Which combination of steps will give the clearest image?
- Stain the cells with iodine, focus on low power, then switch to high power.
- Do not stain the cells, focus directly on high power only.
- Stain the cells with iodine and use low power only.
- Do not stain the cells and use low power only.
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