storage of food in endosperm.
protection of embryo.
utilization of stored food.
all of the above.
C. utilization of stored food.
angiosperms and sexual
gymnosperms and sexual
algae and asexual
pteridophytes and asexual
region of maturation
region of elongation
region of meristematic activity
root cap
Potato
Opuntia
Rhizophora
Grass
Tegmen
Scutellum
Hyaline layer
Aleurone layer
Tap roots of carrot, turnip and adventitious root of sweet potato, get swollen and store food.
Pneumatophores conducts water, minerals & photosynthesis
Pneumatophore is found in the plants that grow in sandy soil.
Turnip & carrot shows adventitious roots and sweet potato shows tap root.
A - V, t; B - II, s; C -I, r; D -III, q; E -IV, p
A - I, t; B - II, s; C - III, r; D - IV, p; E - V, q
A - V, p; B - II, s; C - I, q; D - III, r; E - IV, t
A - V, p; B - III, q; C - II, s; D - I, t; E - IV, r
Calyx is the outermost whorl of the flower and are called sepals.
Sepals are green, leaf like and protect the flower in the bud stage.
The calyx may be gamosepalous (sepals free) or polysepalous (sepals united).
Both (a) and (b)
exchange of gases
increase the beauty of a tree
manufacturing of food
nerve impulse induction
5 and 6
1, 2 and 6
1, 2, 3 and 4
2, 4, 5 and 6
Tap root system, compound leaves and raceme inflorescence.
Flowers actinomorphic, twisted aestivation and gamopetalous.
Stamens 10, introrse, basifixed, dithecous.
Monocarpellary, ovary superior and bent stigma.
Column - I | Column-II |
---|---|
(Type of aestivation) | (Examples) |
A. Valvate | I. Cotton |
B. Twisted | II. Calotropis |
C. Imbricate | III. Bean |
D. Vexillary | IV. Gulmohar |
A I; B II; C IV; D III
A II; B I; C IV; D III
A II; B IV; C I; D III
A II; B I; C III; D IV
fibrous root system.
tap root system.
adventitious root system.
all of the above
Cucumber
Papaya
Cucurbita
Neem
flowers are of various colours.
flowers can be safely pressed.
reproductive parts are more stable and conservative than vegetative parts.
flowers are good materials for identification.
Tendrils
Thorns
Rhizome
Tuber
tap roots
fibrous roots
adventitious roots
nodular roots
Only (i)
Both (i) and (ii)
Both (iii) and (iv)
All of these
bud
radicle
plumule
root hair
Column I | Column II |
---|---|
A. Placentation | (i) Arrangement of flowers on the rachis |
B. Aestivation | (ii) Modified shoot for sexual reproduction |
C. Inflorescence | (iii) Arrangement of various whorls in the bud |
D. Flower | (iv) Arrangement of ovules within an ovary |
A - (i), B - (ii), C - (iii), D - (iv)
A - (iii), B - (i), C - (ii), D - (iv)
A - (iii), B - (i), C - (iv), D - (ii)
A - (iv), B - (iii), C - (i), D - (ii)
groundnut
rice
sugarcane
wheat
stem
seed
leaves
flower
(i) and (iv)
(i), (iii) and (iv)
(iii) and (iv)
(ii) and (iii)
A - Epicarp, B - Mesocarp, C - Seed, D - Endocarp
A - Epicarp, B - Mesocarp, C - Ovule, D - Endocarp
A - Epicarp, B - Mesocarp, C - Ovary, D - Endocarp
A - Epicarp, B - Mesocarp, C - Embryo, D - Endocarp
Racemose, zygomorphic, unisexual, floral characters
Racemose, zygomorphic, bisexual, polypetalous
Axillary, bisexual, actinomorphic, epipetalous
Axillary, actinomorphic, bisexual, epipetalous
A-I, B-II, C-III
A-I, B-III, C-II
A-III, B-II, C-I
A-III, B-I, C-II
X - Calyx; Y - Sepals
X - Corolla; Y - Petals
X - Gynoecium; Y - Fruit
X - Androecium; Y - Ovary
cucumber
pumpkins
grapevines
all of these
Hydrilla and Pistia
Eichhornia and Hydrilla
Pistia and Eichhornia
Pistia and Vallisneria
actinomorphic
zygomorphic
asymmetric
bisymmetric
A - Hilum, B - Micropyle, C - Radicle, D - Cotyledon, E - Plumule
A - Hilum, B - Micropyle, C - Plumule, D - Cotyledon, E - Radicle
A - Micropyle, B - Hilum, C - Plumule, D - Cotyledon, E - Radicle
A - Hilum, B - Micropyle, C - Plumule, D - Radicle, E - Cotyledon