When an unrecorded asset is realised at the time of dissolution of the firm, ............ account is debited and ......... account is credited.

Bank, realisation

The correct answer is option 3- Bank, realisation.

For realisation of any unrecorded assets including goodwill, if any, then the following journal entry is passed-
Bank A/c Dr.
  To Realisation A/c
(Unrecorded assets realised)