A plant having seeds but lacking flowers and fruits belongs to
pteridophytes
mosses
ferns
gymnosperms.
Cycas has two cotyledons but not included in angiosperms because of
naked ovules
seems like monocot
circinate ptyxis
compound leaves
The plant body of moss (Funaria) is
Completely sporophyte
Predominantly gametophyte with sporophyte
Completely gametophyte
Predominantly sporophyte with gametophyte
Flagellated male gametes are present in all the three of which one of the following sets?
Zygnema, Saprolegnia and Hydrilla
Fucus, Marsilea and Calotropis
Riccia, Dryopteris and Cycas
Anthoceros, Funaria and Spirogyra.
A well developed archegonium with neck consisting of 4-6 rows and neck canal cells, characterises
gymnosperms and flowering plants
pteridophytes and gymnosperms
gymnosperms only
bryophytes and pteridophytes
Spore dissemination in some liverworts is aided by
indusium
calyptra
peristome teeth
elaters.
Apophysis in the capsule of Funaria is
lower part
upper part
middle part
fertile part
Which of the following is true about bryophytes
they are thalloid
they posses archegonia
they contain chloroplast
all of these
In ferns, meiosis takes place at the time of
spore formation
spore germination
gamete formation
antheridia and archegonia formation.
Sexual reproduction in Spirogyra is an advanced feature because it shows
different sizes of motile sex organs
same size of motile sex organs
morphologically different sex organs
physiologically differentiated sex organs
