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?

  • A

    Two

  • B

    Three

  • C

    Four

  • D

    One

Similar Questions

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

  • [AIPMT 2011]

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?