morphological characters of various organisms.
anatomical characters of various organisms.
physiological characters of various organisms.
evolutionary relationships between the various organisms.
D. evolutionary relationships between the various organisms.
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.
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
Two
Three
Four
One
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
seeds
motile sperms
cambium
vessels
Zoospore
Endospore
Hypnospore
None of the above
three mitotic divisions.
one meiotic and two mitotic divisions.
two meiotic divisions.
a single meiotic division.
Most algae are photosynthetic.
Algae can be classified according to their pigments.
All algae are filamentous.
Spirogyra does not produce zoospores.
Both (i) and (ii)
Both (ii) and (iii)
Both (i) and (iii)
All of these
Chlorophyceae
Phaeophyceae
Rhodophyceae
Both (a) and (b)
(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.
land habit.
sterile jacket layers.
multiflagellate gametes.
gametophytic plant body.
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
Prothallus
Capsules
Setae
Cones
it reduces transpiration.
it serves as a disinfectant.
it is easily available.
it is hygroscopic.
Column-I | Column-II |
---|---|
A. Agar | I. Single cell protein, used as food supplements by space travellers |
B. Algin | II. Red algae |
C. Carrageen | III. Brown algae |
D. Chlorella | IV. Gelidium, Gracilaria Spirullina |
A I; B II; C III; D IV
A IV; B III; C II; D I
A II; B I; C III; D IV
A III; B II; C I; D IV
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)
rhodophyceae
bacillariophyceae
chlorophyceae
phaeophyceae
Pteridophyte gametophyte has a protonemal and leafy stage.
In gymnosperms, female gametophyte is free-living.
Antheridiophores and archegoniophores are present in pteridophytes.
Origin of seed habit can be traced in pteridophytes.
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
(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
only a few morphological characters.
evolutionary tendencies which are diverse.
anatomical characters which are adaptive in nature.
physiological traits alongwith morphological characters.
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.
Only (i)
Both (i) and (iii)
Only (iv)
All of these
Selaginella
Psilotum
Equisetum
Pteris
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.
power of adaptability in diverse habitat.
property of producing large number of seeds.
nature of self pollination.
domestication of man.
Carolus Linnaeus
Bentham and Hooker
Engler and Prantl
R. H. Whittaker
Only (i)
Both (i) and (ii)
Both (ii) and (iv)
All of these
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.