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)