In the alternation of generations life cycle which of the fo

In the alternation of generations life cycle, which of the following is true:

Gametes are produced by the gametophyte and are diploid.

The second option is correct. Gametophyte yields gametes which are haploid. The gametes are termed mostly same as sperm for male and egg for zygote. These gametes fuse and make zygote; which develops into sporophyte i.e. diploid.