numerical taxonomy
cytotaxonomy
chemotaxonomy
all of the above
B. cytotaxonomy
microsporangia; macrosporangia
male strobili; female strobili
antheridia; archegonia
androecium; gynoecium
morphological characters of various organisms.
anatomical characters of various organisms.
physiological characters of various organisms.
evolutionary relationships between the various organisms.
Chlorophyceae Major pigments are chl a and b.
Phaeophyceae Cell wall is made up of cellulose and algin.
Rhodophyceae Stored food is mannitol.
Chlorophyceae Cell wall is made up of cellulose.
Gymnosperms, angiosperms, ferns, moss, algae
Algae, moss, ferns, gymnosperms, angiosperms
Moss, algae, ferns, angiosperms, gymnosperms
Algae, ferns, angiosperms, gymnosperms, moss
Both (i) and (ii)
Both (ii) and (iii)
Both (i) 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
8
4
16
12
Both (i) and (ii)
Both (ii) and (iv)
Both (iii) and (iv)
All of these
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.
land habit.
sterile jacket layers.
multiflagellate gametes.
gametophytic plant body.
Mosses, Funaria
Red algae, Polysiphonia
Brown algae, Laminaria
Pteridophytes, Selaginella
Double fertilization is unique to gymnosperms and monocotyledons.
Sequoia, a gymnosperm, is one of the tallest tree species.
Phaeophyceae members possess chlorophyll a, c, carotenoids and xanthophylls.
Moss is a gametophyte which consists of two stages namely, protonemal stage and leafy stage.
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
Chara, Fucus, Polysiphonia
Volvox, Spirogyra, Chlamydomonas
Porphyra, Ectocarpus, Ulothrix
Sargassum, Laminaria, Gracilaria
Nature of habitat
Structural organization of thallus
Chemical composition of the cell wall
Types of pigments present in the cell.
Phaeophyceae
Rhodophyceae
Chlorophyceae
Both (a) and (b)
14
21
28
42
starch in their chloroplast.
vascular tissues.
chlorophyll.
cellulose in their cell walls.
power of adaptability in diverse habitat.
property of producing large number of seeds.
nature of self pollination.
domestication of man.
Column -I | Column-II |
---|---|
(Classes of pteridophytes) | (Examples) |
A. Psilopsida | I. Selaginella |
B. Lycopsida | II. Psilotum |
C. Sphenopsida | III. Dryopteris |
D. Pteropsida | IV. Equisetum |
A II; B I; C IV; D III
A I; B II; C IV; D III
A II; B I; C III; D IV
A II; B IV; C I; D III
moss
dicots
liverwort
gymnosperm
A holdfast, B stipe, C frond
A stipe, B holdfast, C frond
A frond, B stipe, C holdfast
A stipe, B frond, C holdfast
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)
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
rhodophyceae
bacillariophyceae
chlorophyceae
phaeophyceae
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)
Cytotaxonomy
Numerical taxonomy
Chemotaxonomy
??-taxonomy
Zoospore
Endospore
Hypnospore
None of the above
Column-I | Column-II |
---|---|
A. Amphibian of the | I. Sphagnum plant kingdom |
B. Specialized structures | II. Angiosperms in liverworts for asexual reproduction |
C. Monocotyledons and | III. Bryophytes dicotyledons |
D. A plant which has | IV. Gemmae capacity to holding water |
A III; B IV; C I; D II
A III; B IV; C II; D I
A IV; B III; C II; D I
A III; B II; C IV; D I
Phloem of both have companian cells.
Endosperm is formed before fertilization in both.
Origin of ovule and seed is similar in both.
Both have leaves, stem and roots.