Which is the dominant phase in the life cycle of a pteridophyte?

Which among the following life cycle is exhibited by Fucus?

Leaf like structure in Pteridophytes that bear spores are called as _______

Which among the following is incorrect about diplontic life cycle?

Megasporangium in Gymnosperms is also called as ___

Which among the following is incorrect about the following figure?

The female sex organs in bryophytes are called as ____

During unfavourable conditions, the outer layer that is formed in chlamydomonas is called as __