Question

Write an activity by which you can observe the cells of onion

Answer 1

Non-green plant cell activity by observe the cells of Onion.
MARK BRAINLIEST...

Answer 2

After peeling of the skin of an onion, put it in a glass full of distilled water.

Now put some safranin solution in it.

Let the peel remain for at least 30 seconds in the solution.

Put a few drops of glycerin on the skin after rewashing it with distilled water.  

One can be able to see a large number of cells of the onions if observed by a microscope.