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