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  • Besides paddy fields cyanobacteria are also found inside vegetative part of:Option: 1 CycasOption: 2</s

Besides paddy fields cyanobacteria are also found inside vegetative part of:

Option: 1

Cycas


Option: 2

Equisetum


Option: 3

Psilotum


Option: 4

Pinus


Answers (1)

best_answer

 

 

Gymnosperms -

  • Gymnosperms are embryo forming, vascular tissue containing plants. 
  • These are usually evergreen trees, rarely shrubs and very rarely perennial herbs. Sequoia is one of the tallest trees.
  • Ginkgo is a living fossil.
  • The dominant stage in the life cycle is the sporophyte and divided into root, stem and leaf.
  •  The root system is usually a taproot system.
  •  Roots of some plants are associated with fungal mycelia and form Mycorrhizal roots (Pinus), while in others they are associated with Cyanobacteria like Nostoc and Anabaena as in Cycas.

 

 

 

Cycas has coralloid roots that have symbiotic association with cyanobacteria.

Posted by

Deependra Verma

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