Pteridophytes
1.One character common in all pteridophytes is
a.Hetrospory
b.Leptosporangiate sporangia
c.Protostelic stele
d.Absence of ovules
Ans------>d
3.Which of the following is ‘age of pteridophytes’?
a.Mesozoic
b.Protozoic
c.Palaezoic
d.Coenozoic
Ans------>c
4.Sporangia bearing leaf is called as:
a.Sporophyll
b.Ramentum
c.Indusium
d.Sorus
Ans------>a
5.Sex org Ans of pteridophytes are a.Unicellular and jacketed b.Multicellular and non jacketed c.Multicellular and jacketed d.Unicellular and non jacketed Ans------>c 6.Sori are covered with a multicellular structure called: a.Protonema b.Ramenta c.Indusium d.Rhizoid Ans------>c 7.In pteridophytes , reduction division occours when a.Prothallus is formed b.Sex org Ans are formed c.Spores are formed d.Gametes are formed Ans------>c 8.Horse tail is : a.Lycopodium b.Equistem c.Isoetes d.Adiatum Ans------>b 9.Tree fern( tallest pteridophytes) is: a.Cyathaea b.Marsellia c.Dryopteris d.None of the these Ans------>c 10.Leaf of ferns are generally a.Macrophyllus b.Microphyllus c.Sporophylls d.Megasporophylls Ans------>a 11.The prothallius of drypopteris is: a.Monoecious and autocious b.Dicious c.Monoecioius and dioecious d.None Ans------>a 12.The fern the antherozoids are a.Biflagellated b.Spirally coiled and multiflagellated c.Non flagellated Ans------>b 13.A number of short stalked sporangia attached to placenta and
covered by indusium is called : a.Sorus b.Microsporangium c.Megasporangium d.None Ans------>a 14.The neck of fern archeaegonium is : a.Long and straight b.Long and curved c.Short and curved d.Short and straight Ans------>c 15.Azolla belongs to: a.Bryophytes b.Algae c.Water fern d.Fungus Ans------>c 16.Which of the following is called ‘walking fern’? a.Ophioglossum b.Pteris c.Pteridium d.Adiatium Ans------>d 17.Fern prothallus is: a.Heteromorphic b.Heterotropic c.Homothalic d.Heterothallic Ans------>c 18.In the archaegonium of dryopteris : a.One neck canal cell with single nucleus b.One neck canal cell with two nuclei c.Three neck canal cell d.Four neck canal cell Ans------>b 19.Circinate vernation in ferns refers to: a.Presence of adventitious roots in rhizome b.Attachment of sori on leaf surface c.System of leaf gaps In the stem d.Leaves are called like a spring when young Ans------>d 20.Vernation of fern process: a.Parallel b.Open furcated c.Reticulate d.Dichotomous Ans------>b 21.Prothallus of fern produces : a.Gametes b.Spores c.Both a and b d.None of these Ans------>a 22.Which of the following is called ‘resurrection plant’? a.Lycopodium b.Selaginella c.Pellia d.Equistem Ans------>b 23.The antherozoids of seleginella are: a.Elongated and biflagellaed b.Elongated and multifalgellated c.Oval and biflagellated d.Oval and multiflagellated Ans------>d 24.In ferns, sporangia are borne on the : a.Exarch b.Mesarch c.Endarch d.Polyarch Ans------>b 25.The nature of sorus and indusium in pteris is: a.Superficial and false b.Marginal and false c.Superficial and true d.Marginal and true Ans------>d 26.Azolla is used as biofertilizer because it: a.Has rhizobium b.Is fast growing and can form humus c.Has cyanobacteria d.Has mycorrhiza Ans------>c 27.Pteridophytes differs from bryophytes in possessing a.Alternation of generation b.Archeginia c.Vascular tissue d.Spores Ans------>c 28.The neck canal cell in the archegonium of ferns is a.Uninucleated two celled b.Binucleated two cells c.Uninucleated one celled d.Binucleated one celled Ans------>d 29.The sporangia of fern develop on : a.Roots b.Rhizoids c.Stems d.Leaves Ans------>d 30.Vascular cryptograms are found in a.Bryophytes b.Pteridophytes c.Gymnosperms d.Angiosperms Ans------>b 31.A moss differs from fern in having a.Flagellate antherozoid b.Archegonia c.Haploid spores d.A dependent sporophyte Ans------>d 32.Frond is the name of leaves of a.Ferns b.Moss c.Conifer d.Cycas Ans------>a 33.The vascular cryptograms is a.Bryophytes b.Thallophytes c.Pteridophytes d.Fungi Ans------>c 34.A plant which has vascular tissue but lacks seed is placed in a.Bryophytres b.Thallophytes c.Pteridophytes d.Fungi Ans------>c 35.Stele in fern is: a.Protostele b.Siphonostele c.Voleastele d.Dictyostele Ans------>d 36.Protonema is the a.Juvenile stage of moss plant b.Adult stage of algae c.Branch of gymnosperm d.Aquatic stage of pteridophyta Ans------>a 37.In which of the following groups would you place a plant that
produces spors, has vascular tissue but lacks seeds a.Thalophyte b.Bryophyte c.Pteridophyte d.Gymnosperm Ans------>c