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  • Solve it, The gametophyte is not an independent, free living generation in:

The gametophyte is not an independent, free living generation in:

  • Option 1)

    Polytrichum 

  • Option 2)

    Adiantum 

  • Option 3)

    Marchantia 

  • Option 4)

    Pinus 

 

Answers (1)

best_answer

 

Diplontic life cycle -

Dominant photosynthetic phase is independent diploid sporophyte. Gametophytes are extremely reduced and are dependent on sporophyte.

- wherein

Eg. All gymnosperms and angiosperms,diatoms,some brown algae (Fucus and sargassum )

 

Pinus belongs to gymnosperms and all gymosperms show diplontic life cycle, where gametophyte are dependent on sporophyte


Option 1)

Polytrichum 

This is incorrect option

Option 2)

Adiantum 

This is incorrect option

Option 3)

Marchantia 

This is correct option

Option 4)

Pinus 

This is incorrect option

Posted by

divya.saini

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