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)