Select the correct noun clause in the sentence below. then choose the function of the noun clause.

1.whoever finishes her dinner first gets to serve dessert.
2.the detective asked me if i had heard any strange noises the night before.
3.the teacher will call on whoever answers the question.
4.i heard on the news that the voter participation in the recent election was at an all-time low.
5.the real question is whether he will be on time to the concert tonight.