Which of the following is NOT a characteristic feature of gymnosperm seeds?
Naked seeds
Formed from ovules
Enclosed within a fruit
Contain embryo
Related Questions
Gymnosperms exhibit
Naked Ovules
Independent gametophyte
Dependent sporophyte
All
Which structure in gymnosperms produces the male gametes?
Megasporangium
Microsporangium
Archegonium
Antheridium
The giant red wood tree belongs to
Angiosperms
Dicots
Gymnosperms
Monocots
Number of meiosis for formation of 64 zygotes in angiosperm is 80 but in gymnosperms number of meiosis for formation of 64 zygotes will
40
80
160
20
Besides paddy fields cyanobacteria are also found inside vegetative part of
Cycas
Equisetum
Psilotum
Pinus
Number of archegonia in Cycas is
8
4
1
2
Which of the following is NOT a characteristic feature of gymnosperm seeds?
Naked seeds
Formed from ovules
Enclosed within a fruit
Contain embryo
What does the term 'gymnosperm' literally mean?
Covered seed
Naked seed
Flowering plant
Seedless plant
Which gymnosperm exhibits a unique fertilization mechanism involving a pollen tube that grows towards the archegonia but does NOT directly discharge the male gametes into the archegonium?
Pinus
Cycas
Gnetum
Cedrus
The 'coralloid roots' of Cycas have a symbiotic association with:
Mycorrhizae
Nitrogen-fixing bacteria
Nitrogen-fixing cyanobacteria
Endophytic fungi
