Gametophytes in plants that exhibit diplontic life cycle may be heterotrophic, autotrophic or saprophytic. HomeAngiosperms MCQsGametophytes in plants that exhibit diplontic life cycle may be heterotrophic, autotrophic or saprophytic.Q. Gametophytes in plants that exhibit diplontic life cycle may be heterotrophic, autotrophic or saprophytic.TrueFalseAnswer: True