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Can someone explain Male and female gametophytes are independent and free-living in:

Male and female gametophytes are independent and free-living in:

  • Option 1)

    Mustard 

  • Option 2)

    Castor 

  • Option 3)

    Pinus 

  • Option 4)

    Sphagnum

 
Answers (1)
182 Views
V Vakul

 

Bryopsida / Mosses -

Gamatophytic plant body is thalloid protonema and leafy with obliquely septate rhizoids and elaters absent in sporophytic stage.

- wherein

Eg. Sphagnum, Funaria

 

 

Haplo-diplontic life cycle -

Sporophyte and gametophyte both are photosynthetic and free living.

- wherein

Eg  All bryophytes and pteridophytes some brown algae (Laminaria). Ectocarpus, some green algae (ulva and cladophora) 

 

 


Option 1)

Mustard 

This is incorrect option

Option 2)

Castor 

This is incorrect option

Option 3)

Pinus 

This is incorrect option

Option 4)

Sphagnum

This is correct option

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