Correct option:(3)Ethidium bromide
Solution:
Ethidium bromide is used to stain the DNA fragments and will appear as orange coloured bands
under UV light radiatiion.
The DNA fragments separated on an agarose gel can be visualised after staining with (1) Acetocarmine (2) Aniline blue (3) Ethidium bromide (4) Bromophenol blue
The DNA fragments separated on an agarose gel can be visualised after staining with (1) Acetocarmine (2) Aniline blue (3) Ethidium bromide (4) Bromophenol blue