First vascular plant is
Thallophyta
Bryophyta
Pteridophyta
Spermatophyta
Related Questions
Read carefully the following statements about pteridophytes
I. They are called vascular cryptogams
II. They produce spores rather than seeds
IIII. They are used for medicinal purposes
IV. They are used as soil binders
V. They are frequently grown as ornaments
Which of the statements given above are correct?
I, II and V
II, IV and V
II, III, IV and V
I, II, III, IV and V
In which plant group is the retention of the female gametophyte with the developing embryo on the parent sporophyte first observed as a significant evolutionary step?
Bryophytes
Heterosporous vascular plants
Gymnosperms
Green algae
Select the correct sequential arrangement of reproductive structures for pteridophytes
Sporophyll β Strobilli β Sporangia β Spore mother cell β Spores
Strobilli β Sporophyll β Sporangia β Spores
Spores β Sporophyll β Sporangia β Strobili
Spores β Sporangia β Sporophyll β Strobili
Which of the following pteridophytes is heterosporous in nature?
Selaginella and Salvinia
Adiantum and Equisetum
Psilotum and Lycopodium
Adiantum and Psilotum
Plants like Selaginella and Salvinia produce two kinds of spores. Such plants are known as:
Homosporous
Dioecious
Heterosporous
Monoecious
In ferns and mosses, movement of antherozoids towards female component is called
Phototaxis
Chemotaxis
Hydrotropism
Thigmotropism
Pteridophytes are commonly found in:
Hot, dry deserts
Cool, damp, shady places
Salty marine environments
Open grasslands
In pteridophytes, gametophytes require β¦Aβ¦ to grow
Cool, damp and shady places
Dry places
Terrestrial area
Water
Selaginella and Salvinia are examples of plants that exhibit:
Homospory
Isospory
Apospory
Heterospory
In the life history of ferns, meiosis occurs at the time of
formation of spores
formation of antheridiaand archegonia
formation of gametes
germination of spores