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4

Gametophyte produced due to apospory will be

A. diploid

B. haploid

C. polypoid

D. aneuploid

Correct Answer :

A. diploid


Related Questions

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4

Rhizoids of F unarm are

A. unicellular

B. mulboeUular

C. multinucleate

D. aseplate

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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

Protonemal phase is represented as juvenile phase in

A. Riccia

B. Funaria

C. All mosses

D. All liver worts

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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

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

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

Conductive tissue in moss is composed of

A. coUenchyma

B. sderenchyma

C. parenchyma

D. all of these

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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

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

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

Sporophyte of Funaria is

A. semi-parasite

B. total parasite

C. saprophyte

D. symbiotic

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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

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

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

Sterile jacket around the sex organs is found in

A. algae

B. lichens

C. fungi

D. bryophytes and pteridophytes

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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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4

Cord moss is the common name of

A. Funaria

B. Marchantia

C. Rkcia

D. Sphagnum

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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

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

Gametophvtic generation is dominant in

A. Pteridophytes

B. Bryophytes

C. Angiosperms

D. Gymnosperms

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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

Which bryophyte is of considerable economic value ?

A. Pogonatum

B. Sphagnum

C. Funaria

D. Marchantia

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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

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

Which of the following is a bryophyte ?

A. Peat moss

B. Irish moss

C. Reindeer moss

D. Club moss

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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

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

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