Which of the following statement is incorrect?

Gametophytes in plants that exhibit diplontic life cycle may be heterotrophic, autotrophic or saprophytic.

Which among the following is incorrect?

Which among the following is incorrect about Haplo-diplontic life cycle?

The inner cell wall in spirogyra is made up of ____

Which among the following is an incorrect statement?

Which among the following are incorrect about Gymnosperms?

Artificial classification of plant kingdom is based on ___