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What is the correct answer?

4

Annulus is moss capsule separates

A. operculum and columella

B. theca and columella

C. operculum and theca

D. columella and apophysis

Correct Answer :

C. operculum and theca


Related Questions

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4

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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4

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

Amphitheoum in Anthtceros gives rise to

A. theca

B. capsule

C. columella

D. sporogenous tissue

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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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4

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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4

Elaters of Mardmntia are

A. haploid

B. triploid

C. diploid

D. tetraploid

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4

Gametophyte produced due to apospory will be

A. diploid

B. haploid

C. polypoid

D. aneuploid

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4

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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4

Gametophyte is most developed in

A. Moss

B. Fern

C. Cycas

D. Pinus

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4

Which bryophyte is of considerable economic value ?

A. Pogonatum

B. Sphagnum

C. Funaria

D. Marchantia

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4

Cord moss is the common name of

A. Funaria

B. Marchantia

C. Rkcia

D. Sphagnum

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4

Rhizoids of F unarm are

A. unicellular

B. mulboeUular

C. multinucleate

D. aseplate

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4

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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4

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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4

Venter is the part of

A. sporogonium

B. archegonium

C. gametophyte

D. antheridium

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4

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

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4

Which of the following is a bryophyte ?

A. Peat moss

B. Irish moss

C. Reindeer moss

D. Club moss

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4

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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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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4

The largest bryophyte is

A. Powsonia

B. Mcgaccros

C. lunaria

D. Sphagnum

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4

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

The first land inhabiting plants belong to

A. Bryophytes

B. Pteridophytes

C. Gymnosperms

D. Angiosperms

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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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4

Conductive tissue in moss is composed of

A. coUenchyma

B. sderenchyma

C. parenchyma

D. all of these

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4

The author of the book entitled "The First Land Plants" is

A. Kashyap

B. F.O. Bower

C. P.N. Mehra

D. R.N.Chopra

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4

Which one of the following is absent in moss sporophyte ?

A. Foot

B. Seta

C. Operculum

D. Elaters

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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 development of sporophyte from moss gametophyte without sexual fusion in called

A. (a) amphimixis

B. parthenogenesis

C. apospory

D. apogamy

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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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4

In bryophytes, simplest sporophyte is found in

A. Marchantia

B. Sphaeroatrpus

C. Funaria

D. Riccia