Bryophyte questions

Bryophytes

1.Bryophytes includes

a.Liverworts and ferns

b.Mosses and fern

c.Mosses and liverworts

d.None

Ans------>c

2.The main plant body of bryophytes is

a.Sporophytic

b.Gametophytic

c.Both

d.None

Ans------>b

3.Sex org

Ans of bryophytes are

a.Unicellular and jacketed

b.Unicellular and non jacketed

c.Multicellular and jacketed

d.Multicellular and non jacketd

Ans------>c

4.Sporophyte or sporangium in bryophyte is

a.Fully dependent

b.Partially dependent

c.Fully independent

d.Partially independent

Ans------>d

5.A bryophyte differs from pteridiophytes in

a.Archegonia

b.Lack of vascular tissue

c.Swimming antherozoids

d.Independent gametophytes

Ans------>d

6.Bryophytes are

a.Amphibi

Ans of plant kingdom

b.First land plants

c.First embryophytes

d.All of the above

Ans------>d

7.Largest gametophytes of plant kingdom is

a.Dwasonia

b.Zoopsis

c.Funaria

d.Riccia

Ans------>a

8.Highest bryophytes are

a.Liver worts

b.Mosses

c.Horn worts

d.None

Ans------>b

9.Which is commonly known as ‘horn wort’?

a.Riccia

b.Marchantia

c.Anthoceros

d.sphagnum

Ans------>c

10.protonema stage is found in

a.ferns

b.mosses

c.algae

d.fungi

Ans------>b

11.which of the following is absent in moss sphorophyte ?

a.seta

b.foot

c.columella

d.elater

Ans------>d

12.presence of perynoid(algal character) is shown by

a.riccia

b.anthoceros

c.marchantia

d.all of these

Ans------>b

13.which of the following is bryophytes ?

a.cord moss

b.peat moss

c.hair cap moss

d.all

Ans------>d

14.the most economically important bryophytes is

a.funaria

b.sphagnum

c.polytrichum

d.selaginella

Ans------>b

15.mosses are the indicator of

a.air pollution

b.water pollution

c.soil pollution

d.radiation pollution

Ans------>c

16.which of the following has tendency to dissolve stones In kidney and gall bladder?

a.Polytrichum

b.Sphagnum

c.Ricia

d.Pellia

Ans------>a

17.A bryophyte used in ‘ anteseptic absorbant bandage’ is

a.Funaria

b.Sphagnum

c.Polytrichum

d.Parella

Ans------>b

18.The largest archegonium of plant kingdom is present in

a.Riccia

b.Marchantia

c.Funaria

d.Anthoceros

Ans------>c

19.Characteristic “gemma cup” are

a.Riccia

b.Marchantia

c.Pellia

d.Anthoceros

Ans------>b

20.Simplest sporophyte among bryophytes is of

a.Marchantia

b.Riccia

c.Anthoceros

d.Funaria

Ans------>b

21.Diocious gametophytes is common in

a.Antheceros

b.Riccia

c.Funaria

d.Marchantia

Ans------>d

22.Plant body is dorsoverntally flattened and dichotomously branched in

a.Funaria

b.Marchantia

c.Selaginella

d.Anthoceros

Ans------>b

23.Rhizoid in funaria are

a.Unicellular and smooth walled

b.Unicellular branched

c.Multicellular with oblique septa

d.Multicellular branched with oblique septa

Ans------>d

24.Only capsule is present in sporophyte of

a.Dorsal surface

b.Ventral  surface

c.On margins

d.Every where

Ans------>c

25.Rhizoids found  in marchantia are of type

a.Lingulate and appendiculate

b.Smooth and tuberculate

c.Branched with oblique septa

d.None

Ans------>b

26.‘gemma ‘ which helps In vegetative reproduction in marchantia is found in

a.Dorsal side

b.Ventral side

c.Lateral side

d.Every where

Ans------>a

27.Common moss is

a.Single thalamus

b.2 thalli

c.4 thalli

d.None

Ans------>b

28.Number of neck canal cells in archaegonium of marchantia is

a.Single

b.4-6

c.6-10

d.2-4

Ans------>b

29.The protective layer of structure present in archegonia of marchantia Is

a.Elater

b.Perichetium

c.Calyptras

d.Megasphorophyll

Ans------>b

30.The movement of antherozoids towards archaegonium for fertilization in marchantia is by

a.Phototrophic movement

b.Chemotatic movement

c.Chemotrophic movement

d.Hydrostatic movement

Ans------>b

( the reason Is due to protein and k+ in archaegonium)

 

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