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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

Correct Answer :

B. multicelled and ligulate


Related Questions

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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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4

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

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

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

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

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

Sterile jacket around the sex organs is found in

A. algae

B. lichens

C. fungi

D. bryophytes and pteridophytes

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4

Sphagnum is popularly known as

A. peat moss

B. bog moss

C. both (a) and (b)

D. none of these

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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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4

Venter is the part of

A. sporogonium

B. archegonium

C. gametophyte

D. antheridium

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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

Which one of the following is absent in moss sporophyte ?

A. Foot

B. Seta

C. Operculum

D. Elaters

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4

In bryophytes, simplest sporophyte is found in

A. Marchantia

B. Sphaeroatrpus

C. Funaria

D. Riccia

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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

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

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

Sporophyte of Funaria is

A. semi-parasite

B. total parasite

C. saprophyte

D. symbiotic

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4

The female reproductive organ of Pinus, Riccia and Funaria is

A. antheridium

B. egg

C. archegonium

D. all of these

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4

Rhizoids of F unarm are

A. unicellular

B. mulboeUular

C. multinucleate

D. aseplate

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4

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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4

Elaters of Mardmntia are

A. haploid

B. triploid

C. diploid

D. tetraploid

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4

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

Protonemal phase is represented as juvenile phase in

A. Riccia

B. Funaria

C. All mosses

D. All liver worts

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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 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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Gametophyte is most developed in

A. Moss

B. Fern

C. Cycas

D. Pinus

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Cord moss is the common name of

A. Funaria

B. Marchantia

C. Rkcia

D. Sphagnum

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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

The gametophyte of Funaria is :

A. dioecious

B. monoecious

C. monoecious and dioecious

D. heterothallic

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4

Gametophvtic generation is dominant in

A. Pteridophytes

B. Bryophytes

C. Angiosperms

D. Gymnosperms