Question

Sporophyte and gametophyte stages are equally dominant and free living in which of the following plants?

Cycas

Fucus

Eucalyptus

Dryopteris​

Answer 1

AnswerEucalyptusplant

Answer 2

Plants belonging to Bryophytes and pteridophytes show haplo-diplontic life cycle.

Explanation:

Haplo-diplontic life cycle:-

• In this type of life cycle, both the sporophytes and gametophytes are multicellular, equally dominant and often free-living.
• In bryophytes, gametophytes are the dominant phase alternated with the short-lived multicellular sporophytes which are partially or totally dependent on gametophytes for anchorage and nutrition.
• In pteridophytes, sporophytes represent the dominant phase which alternates with independent, short-lived haploid gametophtyes.