Column-I | Column-II |
---|---|
A. Phaeophyceae | I. Have an elaborate mechanism of spore dispersal |
B. Rhodophyceae | II. first terrestrial plant with vascular tissue-phloem and xylem |
C. Mosses | III. Asexual reproduction by biflagellate zoosposes |
D. Pteridophytes | IV. Polysiphonia, Porphyra, Gracilaria |
A III; B IV; C I; D II
A IV; B III; C I; D II
A IV; B III; C II; D I
A IV; B I; C III; D II
A. A III; B IV; C I; D II
Zoospore
Endospore
Hypnospore
None of the above
14
21
28
42
Cytotaxonomy
Numerical taxonomy
Chemotaxonomy
??-taxonomy
Selaginella
Psilotum
Equisetum
Pteris
In angiosperms, each embryo sac has a three-celled egg apparatus one egg cell and two synergids, three antipodal cells and two polar nuclei.
All seed bearing plants i.e., gymnosperms and angiosperms follow dipontic life patterns of plants.
In gymosperms, roots in some genera have fungal association in the form of mycorrhiza (Pinus) while in some others (Cycas) small specialized roots called coralloid are associated with N2 fixing cyanobacteria.
All of the above
(i) and (v) only
(ii), (iii) and (iv) only
All of the above
None of the above
power of adaptability in diverse habitat.
property of producing large number of seeds.
nature of self pollination.
domestication of man.
red algae, brown algae, green algae respectively.
brown algae, red algae, green algae respectively.
red algae, green algae, brown algae respectively.
green algae, brown algae, red algae respectively.
they produce spores.
they lack vascular tissues.
they lack roots.
their sporophyte is attached to the gametophyte.
gametophytic growth needs cool, damp and shady places.
it requires water for fertilization.
due to absence of stomata in leaf and absence of vascular tissue.
both (a) and (b)
(i) is correct, but (ii) and (iii) are incorrect
(i) and (ii) are correct, but (iii) is incorrect
(i) and (iii) are correct, but (ii) is incorrect
(iii) is correct, but (i) and (ii) are incorrect
Column-I | Column-II |
---|---|
(Pattern of life cycle in plant) | (Examples) |
A. Haplontic | I. Bryophytes, Pteridophytes, life cycle Ectocarpus, Polysiphonia, Kelps |
B. Diplontic | II. Seed bearing plants life cycle (Gymnosperm and Angiosperm), Fucus |
C. Haplo-diplontic | III. Many algae (Volvox, life cycle Spirogyra) and some species of Chlamydomonas |
A III; B II; C I
A I; B II; C III
A II; B I; C III
A III; B I; C II
Both statements -1 and statement - 2 are true and statement - 2 is the correct explanation of statement - 1.
Both statements -1 and statement - 2 are true but statement - 2 is not the correct explanation of statement - 1.
Statement -1 is true and statement - 2 is false.
Statement -1 is false and statement - 2 is true.
starch in their chloroplast.
vascular tissues.
chlorophyll.
cellulose in their cell walls.
Pyrenoids contain protein besides starch.
Sexual reproduction may be isogamous, oogamous and anisogamous in green and brown algae.
Some of the members of algae also occur in association with fungi (lichen) and animals (eg, on sloth bear).
The leaves in pteridophytes are well adapted to withstand extremes of temperature, humidity and wind.
archegonia.
lack of vascular tissue.
swimming antherozoids.
independent gametophytes.
(i) and (v)
(iii) and (v)
(i) and (ii)
(i) and (iv)
(ii) and (iii) are correct but (i) and (iv) are incorrect.
(ii) and (iv) are correct but (i) and (iii) are incorrect.
(iii) and (iv) are correct but (i) and (ii) are incorrect.
(i) and (ii) are correct but (iii) and (iv) are incorrect.
seeds
motile sperms
cambium
vessels
absence of pollination.
absence of seed.
absence of fertilization.
absence of ovary.
Algae
Bryophytes
Pteridophytes
Gymnosperms
Most algae are photosynthetic.
Algae can be classified according to their pigments.
All algae are filamentous.
Spirogyra does not produce zoospores.
A holdfast, B stipe, C frond
A stipe, B holdfast, C frond
A frond, B stipe, C holdfast
A stipe, B frond, C holdfast
Both (i) and (ii)
Both (ii) and (iii)
Both (i) and (iii)
All of these
Gymnosperms, angiosperms, ferns, moss, algae
Algae, moss, ferns, gymnosperms, angiosperms
Moss, algae, ferns, angiosperms, gymnosperms
Algae, ferns, angiosperms, gymnosperms, moss
Independent sporophyte
Presence of archegonia
Well developed vascular tissues
Independent gametophyte
rhodophyceae
bacillariophyceae
chlorophyceae
phaeophyceae
it reduces transpiration.
it serves as a disinfectant.
it is easily available.
it is hygroscopic.
Chlorophyceae
Phaeophyceae
Rhodophyceae
Both (a) and (b)
Column-I | Column-II |
---|---|
A. Phaeophyceae | I. Have an elaborate mechanism of spore dispersal |
B. Rhodophyceae | II. first terrestrial plant with vascular tissue-phloem and xylem |
C. Mosses | III. Asexual reproduction by biflagellate zoosposes |
D. Pteridophytes | IV. Polysiphonia, Porphyra, Gracilaria |
A III; B IV; C I; D II
A IV; B III; C I; D II
A IV; B III; C II; D I
A IV; B I; C III; D II