Question

To observe the nucleus in onion peel

Answer 1

Answer:

to obsereve nucles of an onion peel

Explanation:

1.Add a drop of water at the center of the microscopic slide

2.Having pulled of a thin membrane from the onion layer, lay it at the center of the microscopic slide (the drop of water will help flatten the membrane)

3.Add a drop of iodine solution on the onion membrane (or methylene blue)

4.Gently lay a microscopic cover slip on the membrane and press it down gently using a needle to remove air bubbles.

5.Touch a blotting paper on one side of the slide to drain excess iodine/water solution,

6.Place the slide on the microscope stage under low power to observe.

Adjust focus for clarity to observe.

Answer 2

Answer:

In order to observe the Neucleus in an onion peel:-

Explanation:

Procedure:-

cut a thin slice of onion and then peel of a part of its inner membrane...Keep the onion peel in the slide and stain it with sefranin solution..cover the slide and observe it with the help of a microscope....

Some darkly stained dense mass will be observed which Is the Neucleus...