Read the following statements and answer the question which follows them
$(1)$ In liverworts, mosses and ferns gametophytes are free-living
$(2)$ Gymnosperms and some ferns are heterosporous
$(3)$ Sexual reproduction in Fucus, Volvoxand albugo is oogamous
$(4)$ The sporophyte in liveworts is more elaborate than that in mosses
$(5)$ Both Pinus and Marchantia aredioecious
How many of the above statements are correct?
Two
Three
Four
One
Read the following five statements ($a$ to $e$)and select the option with all correct statements :
$(a)$ Mosses and Lichens are the firstorganisms to colonise a bare rock
$(b)$ Selaginella is a homosporous pteridophyte
$(c)$ Coralloid roots in Cycas have VA Micorrhizae
$(d)$ Main plant body in bryophytes isgametophytic, whereas in pteridophytes it is sporophytic
$(e)$ In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte
Consider the following four statements whether they are correct or wrong.
$A.$ The sporophyte in liverworts is more elaborate than that in mosses.
$B.$ Salvinia is heterosporous.
$C.$ The lifecycle in all seedbearing plants is diplontic.
$D.$ In Pinus male and female cones are borne on different trees.The two wrong statements together are
Differentiate between the following:
$(i)$ red algae and brown algae
$(ii)$ liverworts and moss
$(iii)$ homosporous and heterosporous pteridophyte
$(iv)$ syngamy and triple fusion
Draw labelled diagrams of
$(a)$ Female and male thallus of a liverwort.
$(b)$ Gametophyte and sporophyte of funaria.
$(c)$ Alternation of generation in angiosperm.
When and where does reduction division take place in the life cycle of a liverwort, a moss, a fern, a gymnosperm and an angiosperm?