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An activity to observe onion peel cells under a microscope:
Aim:
To observe onion peel cells under a microscope
Materials needed:
Glass slide, cover slip, onion, iodine solution, knife and microscope.
Procedure:
- Take an onion and cut it into two halves along its length.
- Take out one of its fleshy leaves.
- With the help of a pair of forceps, remove a transparent, thin peel from the inner surface of the leaf.
- Take a glass slide and put a drop of water at the centre.
- Place the peel on the drop of water.
- Pour a drop of iodine solution on the peel.
- Now place a cover slip over the material.
- Observe under the microscope.
Important!
This is a activity-based exercise. Write the answer in a sheet and compare it with the solution given below.
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