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Female garnet ophy tie structure of a bryophyte differs from that of a fungus in having

A. a unicellular stalk

B. a sterile jacket

C. a single cell only

D. none of these

Correct Answer :

B. a sterile jacket


Related Questions

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4

Gametophyte is most developed in

A. Moss

B. Fern

C. Cycas

D. Pinus

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Liverworts are closely related to which one of the following ?

A. Thallophytes

B. Mosses

C. Ferns

D. None of these

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In bryophytes, simplest sporophyte is found in

A. Marchantia

B. Sphaeroatrpus

C. Funaria

D. Riccia

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4

A moss differs from fern in having

A. alternation of generation

B. swimming sperms

C. a dependent sporophyte

D. an independent gametophyte

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Riccia is a liver wort because

A. it is found in the liver of vertebrate

B. ir produces liver diseae

C. it is liver shaped in structure

D. it is of the same colour, as that mammalian liver

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4

In Funaria, the male and female reproductive organs are borne on

A. different plants

B. different branches of different plants

C. same branch of same plant

D. different branches of same plant

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Protonemal phase is represented as juvenile phase in

A. Riccia

B. Funaria

C. All mosses

D. All liver worts

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The female reproductive organ of Pinus, Riccia and Funaria is

A. antheridium

B. egg

C. archegonium

D. all of these

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The first land inhabiting plants belong to

A. Bryophytes

B. Pteridophytes

C. Gymnosperms

D. Angiosperms

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4

Female garnet ophy tie structure of a bryophyte differs from that of a fungus in having

A. a unicellular stalk

B. a sterile jacket

C. a single cell only

D. none of these

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4

Gametophyte produced due to apospory will be

A. diploid

B. haploid

C. polypoid

D. aneuploid

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Conductive tissue in moss is composed of

A. coUenchyma

B. sderenchyma

C. parenchyma

D. all of these

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The unique feature of bryophytes is that

A. they produce spores

B. they lack vascular tissues

C. they lack roots

D. they have sporophyte attached to the gametophyte

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4

Annulus is moss capsule separates

A. operculum and columella

B. theca and columella

C. operculum and theca

D. columella and apophysis

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Bryophyta acts as a connecting link between

A. thallophyta and ptcridophyta

B. algae and fungi

C. pteridophyta and gymnosperms

D. terrestrial fungi and aquatic fungi

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The scales in Riccia are

A. multicelled and appendiculate

B. multicelled and ligulate

C. unicelied and appendiculate

D. unicelied and ligulate

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The phenomenon of apogamy in bryophytes serves to

A. lengthen the short life-cycle

B. shorten the life-cycle

C. tide over unfavourable conditions

D. none of these

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Funaria is a bryophyte because

A. lacks root

B. lacks xyiem

C. no production of seed

D. has mukkeikd and jacketed sex organs

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The body of Funaria is

A. Simple rosette thallus

B. Differentiated into root, axis and leaves

C. Differentiated into rhizoids, short axis and leaves

D. None of these

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Sterile jacket around the sex organs is found in

A. algae

B. lichens

C. fungi

D. bryophytes and pteridophytes

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Rhizoids of F unarm are

A. unicellular

B. mulboeUular

C. multinucleate

D. aseplate

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The air cavities in the capsule of moss are partitioned with delicate strands of cells. These are called

A. septa

B. trabeculae

C. partitions

D. compartments

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The only positive evidence of the aquatic ancestory of bryophytes is

A. thread like protonema

B. ciliated an therozoids

C. their green colour

D. some forms are still aquatic

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Archegonia in Riccia are

A. projecting type and sessile

B. projecting type and stalked

C. embedded and sessile

D. embedded and stalked

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Cord moss is the common name of

A. Funaria

B. Marchantia

C. Rkcia

D. Sphagnum

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The development of sporophyte from moss gametophyte without sexual fusion in called

A. (a) amphimixis

B. parthenogenesis

C. apospory

D. apogamy

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Which of the following is a bryophyte ?

A. Peat moss

B. Irish moss

C. Reindeer moss

D. Club moss

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The centre of moss axis is occupied by

A. a large pith

B. the xylem

C. the so-called conduction tissue

D. none of these

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Sporophyte of Funaria is

A. semi-parasite

B. total parasite

C. saprophyte

D. symbiotic

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In which of the following groups would you place a plant which produces spores and embryos but lacks seeds and vascular tissues ?

A. Fungi

B. Pteridophytes

C. Bryophytes

D. Gymnosperms