Question

Correct Answer . Cotton Plug meee jo cotton use hota vo cotton kun sa hai

Answer 1

flowers. .....................

Answer 2

Cotton plugs are used to stop air movement that might carry microbes. They are sometimes used in equipment when sterilized in an autoclave, also in the tops of agar flasks in the autoclave. They are used in test tubes, again to prevent contamination through the air....
Hope it helps.