Final answer:
A player is disqualified immediately in football even if the penalty is declined, typically for significant violations like unsportsmanlike conduct.
Step-by-step explanation:
When a player is disqualified in football, they are removed from the game immediately, regardless of whether the penalty that caused the disqualification is accepted or declined. This means the correct answer is b) Even if the penalty is declined. Disqualification is a serious penalty in football and is typically reserved for significant violations, such as unsportsmanlike conduct, fighting, or other violations deemed severe by the officials.