Only (i)
Both (i) and (ii)
(i), (iii) and (iv)
All of these
C. (i), (iii) and (iv)
aestivation
placentation
position of gynoecium
adhesion of stamen
X - Calyx; Y - Sepals
X - Corolla; Y - Petals
X - Gynoecium; Y - Fruit
X - Androecium; Y - Ovary
Bulb of Allium cepa is a modified stem.
Cloves of Allium sativum are fleshy scale leaves.
Corm of Colocasia is a modified root.
Tendril in Vitis vinifera is a modified axillary bud.
(i) and (ii)
(ii) and (iii)
(i), (ii) and (iv)
all of these
A - seeds; B - fruit
A - fruit; B - seeds
A - flower; B - seed
A - seeds; B - flower
ovary
anther
filament
connective
absorption of water and minerals from the soil
storing reserve food material
synthesis of plant growth regulators
All of the above
nodes and internodes
axillary buds
multicellular hairs
unicellular hairs
Statement-1 and statement-2 are true and Statement-2 is a correct explanation for statement-1.
Statement-1 and statement-2 are true but statement-2 is a correct explanation for statement-1.
Statement-1 is true and statement-2 is false.
Both the statements are false.
exchange of gases
increase the beauty of a tree
manufacturing of food
nerve impulse induction
testa
tegmen
hilum
micropyle
Six tepals, zygomorphic, six stamens, bilocular ovary, axile placentation.
Actinomorphic, polyphyllous, unilocular ovary, axile placentation.
Tricorpellary, actinomorphic, polyandrous, superior ovary, axile placentation.
Bisexual, zygomorphic, gamophyllous, inferior ovary, marginal placentation.
Storage
Reproduction
Photosynthesis
Protection
Tegmen
Scutellum
Hyaline layer
Aleurone layer
Hydrilla and Pistia
Eichhornia and Hydrilla
Pistia and Eichhornia
Pistia and Vallisneria
soil
air
water
light
5 and 6
1, 2 and 6
1, 2, 3 and 4
2, 4, 5 and 6
Only (i)
Both (i) and (ii)
(i), (iii) and (iv)
All of these
staminode
anther
pollen grain
filament
A - Lamina, B - Axillary bud, C - Stipule, D - Leaf base
A - Lamina, B - Stipule, C - Axillary bud, D - Leaf base
A - Lamina, B - Axillary bud, C - Stipule, D - Pedicel
A - Leaflet, B - Axillary bud, C - Stipule, D - Leaf base
Racemose, zygomorphic, unisexual, floral characters
Racemose, zygomorphic, bisexual, polypetalous
Axillary, bisexual, actinomorphic, epipetalous
Axillary, actinomorphic, bisexual, epipetalous
these plants are not angiosperms.
there is no double fertilization in them.
endosperm is not formed in them.
endosperm gets used up by the developing embryo during seed development.
A-Valvate, B-Twisted, C-Imbricate, D-Vexillary
A-Vexillary, B-Valvate, C-Twisted, D-Imbricate
A-Imbricate, B-Vexillary, C-Valvate, D-Twisted
A-Twisted, B-Imbricate, C-Vexillary, D-Valvate
storage of food in endosperm.
protection of embryo.
utilization of stored food.
all of the above.
bud
radicle
plumule
root hair
(Stem Modifications) | (Found in) |
---|---|
A. Underground stem | I. Euphorbia |
B. Stem tendril | II. Opuntia |
C. Stem thorns | III. Potato |
D. Flattened stem | IV. Citrus |
E. Fleshy cylindrical stem | V. Cucumber |
A I, B II, C III, D V, E IV
A II, B III, C IV, D V, E I
A III, B IV, C V, D I, E II
A III, B V, C IV, D II, E I
cucumber
pumpkins
grapevines
all of these
upper nodes
lower nodes
upper internodes
none of these
Cucumber
Papaya
Cucurbita
Neem
Ovules are borne on central axis.
Ovary is one-chambered but it becomes two-chambered due to the formation of false septum.
Examples are mustard and Argemone.
Both (b) and (c)