Column-I | Column-II |
---|---|
A. Smallest flowing plant | I. Eucalyptus |
B. Male sex organ in | II. Wolffia flowering plant |
C. Female sex organ | III. Stamen in flowering plant |
D. Tallest tree | IV. Pistil |
A I; B II; C III; D IV
A IV; B III; C II; D I
A II; B III; C IV; D I
A II; B IV; C III; D I
C. A II; B III; C IV; D I
rhodophyceae
bacillariophyceae
chlorophyceae
phaeophyceae
its contribution to prevent soil erosion.
its contribution in ecological succession.
its capability to remove CO from the atmosphere.
both (a) and (b)
Equisetum and Psilotum
Lycopodium and Adiantum
Selaginella and Pteris
Pteris and Adiantum
isogamous
oogamous
anisogamous
agamous
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.
land habit.
sterile jacket layers.
multiflagellate gametes.
gametophytic plant body.
absence of pollination.
absence of seed.
absence of fertilization.
absence of ovary.
(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.
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)
Nature of habitat
Structural organization of thallus
Chemical composition of the cell wall
Types of pigments present in the cell.
Ferns lack alternation of generation while mosses show the same.
Mosses are facultative aerobes while ferns are obligate aerobes.
Vascular bundles of ferns show xylem vessels while those of mosses lack it.
Sporophytes of ferns live much longer as compared to the sporophytes of mosses.
A mechanism for moving water throughout the plant.
A mechanism to prevent desiccation of tissues.
An ability to screen ultraviolet radiation.
Both (b) and (c)
haploid gametophyte
diploid gametophyte
diploid sporophyte
haploid sporophyte
chlorophyceae
bryophyte
pteridophyte
gymnosperm
starch formation
protein storage
general metabolism
enzyme secretion
(i) and (ii) are correct but (iii) is incorrect
(i) and (iii) are correct but (ii) is incorrect
(ii) and (iii) are incorrect but (i) is correct
(ii) and (iii) are correct but (i) is incorrect
(i) and (ii)
(ii) and (iii)
(i), (ii) and (iii)
All of these
Column-I | Column-II |
---|---|
A. Presence of tap roots | (i) Bryophyte and coralloid roots |
B. The synergids and | (ii) Pteridophytes antipodal cells degenerates after fertilization |
C. The food is stored as | (iii) Red algae floridean starch which is very similar to amylopectin and glycogen in structure |
D. Presence of sporophyte | (iv) Angiosperms which is not free living but attached to the photosynthetic gametophytes and derives nourishment from it |
E. Members of this group | (v) Gymnosperms are used for medicinal purposes, as soil binders and frequently grown as ornamentals |
A-i B-ii C-iii D-iv E-v
A-iii B-v C-ii D-iv E-i
A-iii B-i C-v D-ii E-iv
A-v B-iv C-iii D-i E-ii
they produce spores.
they lack vascular tissues.
they lack roots.
their sporophyte is attached to the gametophyte.
(i) and (v)
(iii) and (v)
(i) and (ii)
(i) and (iv)
Prothallus
Capsules
Setae
Cones
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.
Haplontic
Diplontic
Haplo-diplontic
None of these
Chlorophyceae
Phaeophyceae
Rhodophyceae
Both (a) and (b)
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.
is a stage of gametophytic generation.
is a creeping, green, branched and develops directly from a spore.
produces lateral bud which forms leafy plant body.
All of the above
Spirogyra
Fucus
Volvox
Chlamydomonas
power of adaptability in diverse habitat.
property of producing large number of seeds.
nature of self pollination.
domestication of man.
Independent sporophyte
Presence of archegonia
Well developed vascular tissues
Independent gametophyte
Column-I | Column-II |
---|---|
(System of classification) | (Characteristics) |
A. Artificial system | I. Based on few morphological of classification characters |
B. Natural system | II. Based on evolutionary of classification relationships between the various organisms |
C. Phylogenetic | III. Based on natural affinities system of among the organisms and classification consider external as well as internal features. |
A II; B I; C III
A I; B III; C II
A III; B II; C I
A I; B II; C III